/**
* Tom Select v2.2.2
* Licensed under the Apache License, Version 2.0 (the "License");
*/
'use strict';
/**
* MicroEvent - to make any js object an event emitter
*
* - pure javascript - server compatible, browser compatible
* - dont rely on the browser doms
* - super simple - you get it immediatly, no mistery, no magic involved
*
* @author Jerome Etienne (https://github.com/jeromeetienne)
*/
/**
* Execute callback for each event in space separated list of event names
*
*/
function forEvents(events, callback) {
events.split(/\s+/).forEach(event => {
callback(event);
});
}
class MicroEvent {
constructor() {
this._events = void 0;
this._events = {};
}
on(events, fct) {
forEvents(events, event => {
const event_array = this._events[event] || [];
event_array.push(fct);
this._events[event] = event_array;
});
}
off(events, fct) {
var n = arguments.length;
if (n === 0) {
this._events = {};
return;
}
forEvents(events, event => {
if (n === 1) {
delete this._events[event];
return;
}
const event_array = this._events[event];
if (event_array === undefined) return;
event_array.splice(event_array.indexOf(fct), 1);
this._events[event] = event_array;
});
}
trigger(events, ...args) {
var self = this;
forEvents(events, event => {
const event_array = self._events[event];
if (event_array === undefined) return;
event_array.forEach(fct => {
fct.apply(self, args);
});
});
}
}
/**
* microplugin.js
* Copyright (c) 2013 Brian Reavis & contributors
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
* file except in compliance with the License. You may obtain a copy of the License at:
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
* ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*
* @author Brian Reavis <brian@thirdroute.com>
*/
function MicroPlugin(Interface) {
Interface.plugins = {};
return class extends Interface {
constructor(...args) {
super(...args);
this.plugins = {
names: [],
settings: {},
requested: {},
loaded: {}
};
}
/**
* Registers a plugin.
*
* @param {function} fn
*/
static define(name, fn) {
Interface.plugins[name] = {
'name': name,
'fn': fn
};
}
/**
* Initializes the listed plugins (with options).
* Acceptable formats:
*
* List (without options):
* ['a', 'b', 'c']
*
* List (with options):
* [{'name': 'a', options: {}}, {'name': 'b', options: {}}]
*
* Hash (with options):
* {'a': { ... }, 'b': { ... }, 'c': { ... }}
*
* @param {array|object} plugins
*/
initializePlugins(plugins) {
var key, name;
const self = this;
const queue = [];
if (Array.isArray(plugins)) {
plugins.forEach(plugin => {
if (typeof plugin === 'string') {
queue.push(plugin);
} else {
self.plugins.settings[plugin.name] = plugin.options;
queue.push(plugin.name);
}
});
} else if (plugins) {
for (key in plugins) {
if (plugins.hasOwnProperty(key)) {
self.plugins.settings[key] = plugins[key];
queue.push(key);
}
}
}
while (name = queue.shift()) {
self.require(name);
}
}
loadPlugin(name) {
var self = this;
var plugins = self.plugins;
var plugin = Interface.plugins[name];
if (!Interface.plugins.hasOwnProperty(name)) {
throw new Error('Unable to find "' + name + '" plugin');
}
plugins.requested[name] = true;
plugins.loaded[name] = plugin.fn.apply(self, [self.plugins.settings[name] || {}]);
plugins.names.push(name);
}
/**
* Initializes a plugin.
*
*/
require(name) {
var self = this;
var plugins = self.plugins;
if (!self.plugins.loaded.hasOwnProperty(name)) {
if (plugins.requested[name]) {
throw new Error('Plugin has circular dependency ("' + name + '")');
}
self.loadPlugin(name);
}
return plugins.loaded[name];
}
};
}
/*! @orchidjs/unicode-variants | https://github.com/orchidjs/unicode-variants | Apache License (v2) */
/**
* Convert array of strings to a regular expression
* ex ['ab','a'] => (?:ab|a)
* ex ['a','b'] => [ab]
* @param {string[]} chars
* @return {string}
*/
const arrayToPattern = chars => {
chars = chars.filter(Boolean);
if (chars.length < 2) {
return chars[0] || '';
}
return maxValueLength(chars) == 1 ? '[' + chars.join('') + ']' : '(?:' + chars.join('|') + ')';
};
/**
* @param {string[]} array
* @return {string}
*/
const sequencePattern = array => {
if (!hasDuplicates(array)) {
return array.join('');
}
let pattern = '';
let prev_char_count = 0;
const prev_pattern = () => {
if (prev_char_count > 1) {
pattern += '{' + prev_char_count + '}';
}
};
array.forEach((char, i) => {
if (char === array[i - 1]) {
prev_char_count++;
return;
}
prev_pattern();
pattern += char;
prev_char_count = 1;
});
prev_pattern();
return pattern;
};
/**
* Convert array of strings to a regular expression
* ex ['ab','a'] => (?:ab|a)
* ex ['a','b'] => [ab]
* @param {Set<string>} chars
* @return {string}
*/
const setToPattern = chars => {
let array = toArray(chars);
return arrayToPattern(array);
};
/**
*
* https://stackoverflow.com/questions/7376598/in-javascript-how-do-i-check-if-an-array-has-duplicate-values
* @param {any[]} array
*/
const hasDuplicates = array => {
return new Set(array).size !== array.length;
};
/**
* https://stackoverflow.com/questions/63006601/why-does-u-throw-an-invalid-escape-error
* @param {string} str
* @return {string}
*/
const escape_regex = str => {
return (str + '').replace(/([\$\(\)\*\+\.\?\[\]\^\{\|\}\\])/gu, '\\$1');
};
/**
* Return the max length of array values
* @param {string[]} array
*
*/
const maxValueLength = array => {
return array.reduce((longest, value) => Math.max(longest, unicodeLength(value)), 0);
};
/**
* @param {string} str
*/
const unicodeLength = str => {
return toArray(str).length;
};
/**
* @param {any} p
* @return {any[]}
*/
const toArray = p => Array.from(p);
/*! @orchidjs/unicode-variants | https://github.com/orchidjs/unicode-variants | Apache License (v2) */
/**
* Get all possible combinations of substrings that add up to the given string
* https://stackoverflow.com/questions/30169587/find-all-the-combination-of-substrings-that-add-up-to-the-given-string
* @param {string} input
* @return {string[][]}
*/
const allSubstrings = input => {
if (input.length === 1) return [[input]];
/** @type {string[][]} */
let result = [];
const start = input.substring(1);
const suba = allSubstrings(start);
suba.forEach(function (subresult) {
let tmp = subresult.slice(0);
tmp[0] = input.charAt(0) + tmp[0];
result.push(tmp);
tmp = subresult.slice(0);
tmp.unshift(input.charAt(0));
result.push(tmp);
});
return result;
};
/*! @orchidjs/unicode-variants | https://github.com/orchidjs/unicode-variants | Apache License (v2) */
/**
* @typedef {{[key:string]:string}} TUnicodeMap
* @typedef {{[key:string]:Set<string>}} TUnicodeSets
* @typedef {[[number,number]]} TCodePoints
* @typedef {{folded:string,composed:string,code_point:number}} TCodePointObj
* @typedef {{start:number,end:number,length:number,substr:string}} TSequencePart
*/
/** @type {TCodePoints} */
const code_points = [[0, 65535]];
const accent_pat = '[\u0300-\u036F\u{b7}\u{2be}\u{2bc}]';
/** @type {TUnicodeMap} */
let unicode_map;
/** @type {RegExp} */
let multi_char_reg;
const max_char_length = 3;
/** @type {TUnicodeMap} */
const latin_convert = {};
/** @type {TUnicodeMap} */
const latin_condensed = {
'/': '⁄∕',
'0': '߀',
"a": "ⱥɐɑ",
"aa": "ꜳ",
"ae": "æǽǣ",
"ao": "ꜵ",
"au": "ꜷ",
"av": "ꜹꜻ",
"ay": "ꜽ",
"b": "ƀɓƃ",
"c": "ꜿƈȼↄ",
"d": "đɗɖᴅƌꮷԁɦ",
"e": "ɛǝᴇɇ",
"f": "ꝼƒ",
"g": "ǥɠꞡᵹꝿɢ",
"h": "ħⱨⱶɥ",
"i": "ɨı",
"j": "ɉȷ",
"k": "ƙⱪꝁꝃꝅꞣ",
"l": "łƚɫⱡꝉꝇꞁɭ",
"m": "ɱɯϻ",
"n": "ꞥƞɲꞑᴎлԉ",
"o": "øǿɔɵꝋꝍᴑ",
"oe": "œ",
"oi": "ƣ",
"oo": "ꝏ",
"ou": "ȣ",
"p": "ƥᵽꝑꝓꝕρ",
"q": "ꝗꝙɋ",
"r": "ɍɽꝛꞧꞃ",
"s": "ßȿꞩꞅʂ",
"t": "ŧƭʈⱦꞇ",
"th": "þ",
"tz": "ꜩ",
"u": "ʉ",
"v": "ʋꝟʌ",
"vy": "ꝡ",
"w": "ⱳ",
"y": "ƴɏỿ",
"z": "ƶȥɀⱬꝣ",
"hv": "ƕ"
};
for (let latin in latin_condensed) {
let unicode = latin_condensed[latin] || '';
for (let i = 0; i < unicode.length; i++) {
let char = unicode.substring(i, i + 1);
latin_convert[char] = latin;
}
}
const convert_pat = new RegExp(Object.keys(latin_convert).join('|') + '|' + accent_pat, 'gu');
/**
* Initialize the unicode_map from the give code point ranges
*
* @param {TCodePoints=} _code_points
*/
const initialize = _code_points => {
if (unicode_map !== undefined) return;
unicode_map = generateMap(_code_points || code_points);
};
/**
* Helper method for normalize a string
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/normalize
* @param {string} str
* @param {string} form
*/
const normalize = (str, form = 'NFKD') => str.normalize(form);
/**
* Remove accents without reordering string
* calling str.normalize('NFKD') on \u{594}\u{595}\u{596} becomes \u{596}\u{594}\u{595}
* via https://github.com/krisk/Fuse/issues/133#issuecomment-318692703
* @param {string} str
* @return {string}
*/
const asciifold = str => {
return toArray(str).reduce(
/**
* @param {string} result
* @param {string} char
*/
(result, char) => {
return result + _asciifold(char);
}, '');
};
/**
* @param {string} str
* @return {string}
*/
const _asciifold = str => {
str = normalize(str).toLowerCase().replace(convert_pat, (
/** @type {string} */
char) => {
return latin_convert[char] || '';
}); //return str;
return normalize(str, 'NFC');
};
/**
* Generate a list of unicode variants from the list of code points
* @param {TCodePoints} code_points
* @yield {TCodePointObj}
*/
function* generator(code_points) {
for (const [code_point_min, code_point_max] of code_points) {
for (let i = code_point_min; i <= code_point_max; i++) {
let composed = String.fromCharCode(i);
let folded = asciifold(composed);
if (folded == composed.toLowerCase()) {
continue;
} // skip when folded is a string longer than 3 characters long
// bc the resulting regex patterns will be long
// eg:
// folded صلى الله عليه وسلم length 18 code point 65018
// folded جل جلاله length 8 code point 65019
if (folded.length > max_char_length) {
continue;
}
if (folded.length == 0) {
continue;
}
yield {
folded: folded,
composed: composed,
code_point: i
};
}
}
}
/**
* Generate a unicode map from the list of code points
* @param {TCodePoints} code_points
* @return {TUnicodeSets}
*/
const generateSets = code_points => {
/** @type {{[key:string]:Set<string>}} */
const unicode_sets = {};
/**
* @param {string} folded
* @param {string} to_add
*/
const addMatching = (folded, to_add) => {
/** @type {Set<string>} */
const folded_set = unicode_sets[folded] || new Set();
const patt = new RegExp('^' + setToPattern(folded_set) + '$', 'iu');
if (to_add.match(patt)) {
return;
}
folded_set.add(escape_regex(to_add));
unicode_sets[folded] = folded_set;
};
for (let value of generator(code_points)) {
addMatching(value.folded, value.folded);
addMatching(value.folded, value.composed);
}
return unicode_sets;
};
/**
* Generate a unicode map from the list of code points
* ae => (?:(?:ae|Æ|Ǽ|Ǣ)|(?:A|Ⓐ|Ａ...)(?:E|ɛ|Ⓔ...))
*
* @param {TCodePoints} code_points
* @return {TUnicodeMap}
*/
const generateMap = code_points => {
/** @type {TUnicodeSets} */
const unicode_sets = generateSets(code_points);
/** @type {TUnicodeMap} */
const unicode_map = {};
/** @type {string[]} */
let multi_char = [];
for (let folded in unicode_sets) {
let set = unicode_sets[folded];
if (set) {
unicode_map[folded] = setToPattern(set);
}
if (folded.length > 1) {
multi_char.push(escape_regex(folded));
}
}
multi_char.sort((a, b) => b.length - a.length);
const multi_char_patt = arrayToPattern(multi_char);
multi_char_reg = new RegExp('^' + multi_char_patt, 'u');
return unicode_map;
};
/**
* Map each element of an array from it's folded value to all possible unicode matches
* @param {string[]} strings
* @param {number} min_replacement
* @return {string}
*/
const mapSequence = (strings, min_replacement = 1) => {
let chars_replaced = 0;
strings = strings.map(str => {
if (unicode_map[str]) {
chars_replaced += str.length;
}
return unicode_map[str] || str;
});
if (chars_replaced >= min_replacement) {
return sequencePattern(strings);
}
return '';
};
/**
* Convert a short string and split it into all possible patterns
* Keep a pattern only if min_replacement is met
*
* 'abc'
* => [['abc'],['ab','c'],['a','bc'],['a','b','c']]
* => ['abc-pattern','ab-c-pattern'...]
*
*
* @param {string} str
* @param {number} min_replacement
* @return {string}
*/
const substringsToPattern = (str, min_replacement = 1) => {
min_replacement = Math.max(min_replacement, str.length - 1);
return arrayToPattern(allSubstrings(str).map(sub_pat => {
return mapSequence(sub_pat, min_replacement);
}));
};
/**
* Convert an array of sequences into a pattern
* [{start:0,end:3,length:3,substr:'iii'}...] => (?:iii...)
*
* @param {Sequence[]} sequences
* @param {boolean} all
*/
const sequencesToPattern = (sequences, all = true) => {
let min_replacement = sequences.length > 1 ? 1 : 0;
return arrayToPattern(sequences.map(sequence => {
let seq = [];
const len = all ? sequence.length() : sequence.length() - 1;
for (let j = 0; j < len; j++) {
seq.push(substringsToPattern(sequence.substrs[j] || '', min_replacement));
}
return sequencePattern(seq);
}));
};
/**
* Return true if the sequence is already in the sequences
* @param {Sequence} needle_seq
* @param {Sequence[]} sequences
*/
const inSequences = (needle_seq, sequences) => {
for (const seq of sequences) {
if (seq.start != needle_seq.start || seq.end != needle_seq.end) {
continue;
}
if (seq.substrs.join('') !== needle_seq.substrs.join('')) {
continue;
}
let needle_parts = needle_seq.parts;
/**
* @param {TSequencePart} part
*/
const filter = part => {
for (const needle_part of needle_parts) {
if (needle_part.start === part.start && needle_part.substr === part.substr) {
return false;
}
if (part.length == 1 || needle_part.length == 1) {
continue;
} // check for overlapping parts
// a = ['::=','==']
// b = ['::','===']
// a = ['r','sm']
// b = ['rs','m']
if (part.start < needle_part.start && part.end > needle_part.start) {
return true;
}
if (needle_part.start < part.start && needle_part.end > part.start) {
return true;
}
}
return false;
};
let filtered = seq.parts.filter(filter);
if (filtered.length > 0) {
continue;
}
return true;
}
return false;
};
class Sequence {
constructor() {
/** @type {TSequencePart[]} */
this.parts = [];
/** @type {string[]} */
this.substrs = [];
this.start = 0;
this.end = 0;
}
/**
* @param {TSequencePart|undefined} part
*/
add(part) {
if (part) {
this.parts.push(part);
this.substrs.push(part.substr);
this.start = Math.min(part.start, this.start);
this.end = Math.max(part.end, this.end);
}
}
last() {
return this.parts[this.parts.length - 1];
}
length() {
return this.parts.length;
}
/**
* @param {number} position
* @param {TSequencePart} last_piece
*/
clone(position, last_piece) {
let clone = new Sequence();
let parts = JSON.parse(JSON.stringify(this.parts));
let last_part = parts.pop();
for (const part of parts) {
clone.add(part);
}
let last_substr = last_piece.substr.substring(0, position - last_part.start);
let clone_last_len = last_substr.length;
clone.add({
start: last_part.start,
end: last_part.start + clone_last_len,
length: clone_last_len,
substr: last_substr
});
return clone;
}
}
/**
* Expand a regular expression pattern to include unicode variants
* eg /a/ becomes /aⓐａẚàáâầấẫẩãāăằắẵẳȧǡäǟảåǻǎȁȃạậặḁąⱥɐɑAⒶＡÀÁÂẦẤẪẨÃĀĂẰẮẴẲȦǠÄǞẢÅǺǍȀȂẠẬẶḀĄȺⱯ/
*
* Issue:
* ﺊﺋ [ 'ﺊ = \\u{fe8a}', 'ﺋ = \\u{fe8b}' ]
* becomes: ئئ [ 'ي = \\u{64a}', 'ٔ = \\u{654}', 'ي = \\u{64a}', 'ٔ = \\u{654}' ]
*
* İIJ = IIJ = ⅡJ
*
* 1/2/4
*
* @param {string} str
* @return {string|undefined}
*/
const getPattern = str => {
initialize();
str = asciifold(str);
let pattern = '';
let sequences = [new Sequence()];
for (let i = 0; i < str.length; i++) {
let substr = str.substring(i);
let match = substr.match(multi_char_reg);
const char = str.substring(i, i + 1);
const match_str = match ? match[0] : null; // loop through sequences
// add either the char or multi_match
let overlapping = [];
let added_types = new Set();
for (const sequence of sequences) {
const last_piece = sequence.last();
if (!last_piece || last_piece.length == 1 || last_piece.end <= i) {
// if we have a multi match
if (match_str) {
const len = match_str.length;
sequence.add({
start: i,
end: i + len,
length: len,
substr: match_str
});
added_types.add('1');
} else {
sequence.add({
start: i,
end: i + 1,
length: 1,
substr: char
});
added_types.add('2');
}
} else if (match_str) {
let clone = sequence.clone(i, last_piece);
const len = match_str.length;
clone.add({
start: i,
end: i + len,
length: len,
substr: match_str
});
overlapping.push(clone);
} else {
// don't add char
// adding would create invalid patterns: 234 => [2,34,4]
added_types.add('3');
}
} // if we have overlapping
if (overlapping.length > 0) {
// ['ii','iii'] before ['i','i','iii']
overlapping = overlapping.sort((a, b) => {
return a.length() - b.length();
});
for (let clone of overlapping) {
// don't add if we already have an equivalent sequence
if (inSequences(clone, sequences)) {
continue;
}
sequences.push(clone);
}
continue;
} // if we haven't done anything unique
// clean up the patterns
// helps keep patterns smaller
// if str = 'r₨㎧aarss', pattern will be 446 instead of 655
if (i > 0 && added_types.size == 1 && !added_types.has('3')) {
pattern += sequencesToPattern(sequences, false);
let new_seq = new Sequence();
const old_seq = sequences[0];
if (old_seq) {
new_seq.add(old_seq.last());
}
sequences = [new_seq];
}
}
pattern += sequencesToPattern(sequences, true);
return pattern;
};
/*! sifter.js | https://github.com/orchidjs/sifter.js | Apache License (v2) */
/**
* A property getter resolving dot-notation
* @param {Object} obj The root object to fetch property on
* @param {String} name The optionally dotted property name to fetch
* @return {Object} The resolved property value
*/
const getAttr = (obj, name) => {
if (!obj) return;
return obj[name];
};
/**
* A property getter resolving dot-notation
* @param {Object} obj The root object to fetch property on
* @param {String} name The optionally dotted property name to fetch
* @return {Object} The resolved property value
*/
const getAttrNesting = (obj, name) => {
if (!obj) return;
var part,
names = name.split(".");
while ((part = names.shift()) && (obj = obj[part]));
return obj;
};
/**
* Calculates how close of a match the
* given value is against a search token.
*
*/
const scoreValue = (value, token, weight) => {
var score, pos;
if (!value) return 0;
value = value + '';
if (token.regex == null) return 0;
pos = value.search(token.regex);
if (pos === -1) return 0;
score = token.string.length / value.length;
if (pos === 0) score += 0.5;
return score * weight;
};
/**
* Cast object property to an array if it exists and has a value
*
*/
const propToArray = (obj, key) => {
var value = obj[key];
if (typeof value == 'function') return value;
if (value && !Array.isArray(value)) {
obj[key] = [value];
}
};
/**
* Iterates over arrays and hashes.
*
* ```
* iterate(this.items, function(item, id) {
* // invoked for each item
* });
* ```
*
*/
const iterate$1 = (object, callback) => {
if (Array.isArray(object)) {
object.forEach(callback);
} else {
for (var key in object) {
if (object.hasOwnProperty(key)) {
callback(object[key], key);
}
}
}
};
const cmp = (a, b) => {
if (typeof a === 'number' && typeof b === 'number') {
return a > b ? 1 : a < b ? -1 : 0;
}
a = asciifold(a + '').toLowerCase();
b = asciifold(b + '').toLowerCase();
if (a > b) return 1;
if (b > a) return -1;
return 0;
};
/*! sifter.js | https://github.com/orchidjs/sifter.js | Apache License (v2) */
/**
* sifter.js
* Copyright (c) 2013–2020 Brian Reavis & contributors
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
* file except in compliance with the License. You may obtain a copy of the License at:
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
* ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*
* @author Brian Reavis <brian@thirdroute.com>
*/
class Sifter {
// []|{};
/**
* Textually searches arrays and hashes of objects
* by property (or multiple properties). Designed
* specifically for autocomplete.
*
*/
constructor(items, settings) {
this.items = void 0;
this.settings = void 0;
this.items = items;
this.settings = settings || {
diacritics: true
};
}
/**
* Splits a search string into an array of individual
* regexps to be used to match results.
*
*/
tokenize(query, respect_word_boundaries, weights) {
if (!query || !query.length) return [];
const tokens = [];
const words = query.split(/\s+/);
var field_regex;
if (weights) {
field_regex = new RegExp('^(' + Object.keys(weights).map(escape_regex).join('|') + ')\:(.*)$');
}
words.forEach(word => {
let field_match;
let field = null;
let regex = null; // look for "field:query" tokens
if (field_regex && (field_match = word.match(field_regex))) {
field = field_match[1];
word = field_match[2];
}
if (word.length > 0) {
if (this.settings.diacritics) {
regex = getPattern(word) || null;
} else {
regex = escape_regex(word);
}
if (regex && respect_word_boundaries) regex = "\\b" + regex;
}
tokens.push({
string: word,
regex: regex ? new RegExp(regex, 'iu') : null,
field: field
});
});
return tokens;
}
/**
* Returns a function to be used to score individual results.
*
* Good matches will have a higher score than poor matches.
* If an item is not a match, 0 will be returned by the function.
*
* @returns {T.ScoreFn}
*/
getScoreFunction(query, options) {
var search = this.prepareSearch(query, options);
return this._getScoreFunction(search);
}
/**
* @returns {T.ScoreFn}
*
*/
_getScoreFunction(search) {
const tokens = search.tokens,
token_count = tokens.length;
if (!token_count) {
return function () {
return 0;
};
}
const fields = search.options.fields,
weights = search.weights,
field_count = fields.length,
getAttrFn = search.getAttrFn;
if (!field_count) {
return function () {
return 1;
};
}
/**
* Calculates the score of an object
* against the search query.
*
*/
const scoreObject = function () {
if (field_count === 1) {
return function (token, data) {
const field = fields[0].field;
return scoreValue(getAttrFn(data, field), token, weights[field] || 1);
};
}
return function (token, data) {
var sum = 0; // is the token specific to a field?
if (token.field) {
const value = getAttrFn(data, token.field);
if (!token.regex && value) {
sum += 1 / field_count;
} else {
sum += scoreValue(value, token, 1);
}
} else {
iterate$1(weights, (weight, field) => {
sum += scoreValue(getAttrFn(data, field), token, weight);
});
}
return sum / field_count;
};
}();
if (token_count === 1) {
return function (data) {
return scoreObject(tokens[0], data);
};
}
if (search.options.conjunction === 'and') {
return function (data) {
var score,
sum = 0;
for (let token of tokens) {
score = scoreObject(token, data);
if (score <= 0) return 0;
sum += score;
}
return sum / token_count;
};
} else {
return function (data) {
var sum = 0;
iterate$1(tokens, token => {
sum += scoreObject(token, data);
});
return sum / token_count;
};
}
}
/**
* Returns a function that can be used to compare two
* results, for sorting purposes. If no sorting should
* be performed, `null` will be returned.
*
* @return function(a,b)
*/
getSortFunction(query, options) {
var search = this.prepareSearch(query, options);
return this._getSortFunction(search);
}
_getSortFunction(search) {
var implicit_score,
sort_flds = [];
const self = this,
options = search.options,
sort = !search.query && options.sort_empty ? options.sort_empty : options.sort;
if (typeof sort == 'function') {
return sort.bind(this);
}
/**
* Fetches the specified sort field value
* from a search result item.
*
*/
const get_field = function get_field(name, result) {
if (name === '$score') return result.score;
return search.getAttrFn(self.items[result.id], name);
}; // parse options
if (sort) {
for (let s of sort) {
if (search.query || s.field !== '$score') {
sort_flds.push(s);
}
}
} // the "$score" field is implied to be the primary
// sort field, unless it's manually specified
if (search.query) {
implicit_score = true;
for (let fld of sort_flds) {
if (fld.field === '$score') {
implicit_score = false;
break;
}
}
if (implicit_score) {
sort_flds.unshift({
field: '$score',
direction: 'desc'
});
} // without a search.query, all items will have the same score
} else {
sort_flds = sort_flds.filter(fld => fld.field !== '$score');
} // build function
const sort_flds_count = sort_flds.length;
if (!sort_flds_count) {
return null;
}
return function (a, b) {
var result, field;
for (let sort_fld of sort_flds) {
field = sort_fld.field;
let multiplier = sort_fld.direction === 'desc' ? -1 : 1;
result = multiplier * cmp(get_field(field, a), get_field(field, b));
if (result) return result;
}
return 0;
};
}
/**
* Parses a search query and returns an object
* with tokens and fields ready to be populated
* with results.
*
*/
prepareSearch(query, optsUser) {
const weights = {};
var options = Object.assign({}, optsUser);
propToArray(options, 'sort');
propToArray(options, 'sort_empty'); // convert fields to new format
if (options.fields) {
propToArray(options, 'fields');
const fields = [];
options.fields.forEach(field => {
if (typeof field == 'string') {
field = {
field: field,
weight: 1
};
}
fields.push(field);
weights[field.field] = 'weight' in field ? field.weight : 1;
});
options.fields = fields;
}
return {
options: options,
query: query.toLowerCase().trim(),
tokens: this.tokenize(query, options.respect_word_boundaries, weights),
total: 0,
items: [],
weights: weights,
getAttrFn: options.nesting ? getAttrNesting : getAttr
};
}
/**
* Searches through all items and returns a sorted array of matches.
*
*/
search(query, options) {
var self = this,
score,
search;
search = this.prepareSearch(query, options);
options = search.options;
query = search.query; // generate result scoring function
const fn_score = options.score || self._getScoreFunction(search); // perform search and sort
if (query.length) {
iterate$1(self.items, (item, id) => {
score = fn_score(item);
if (options.filter === false || score > 0) {
search.items.push({
'score': score,
'id': id
});
}
});
} else {
iterate$1(self.items, (_, id) => {
search.items.push({
'score': 1,
'id': id
});
});
}
const fn_sort = self._getSortFunction(search);
if (fn_sort) search.items.sort(fn_sort); // apply limits
search.total = search.items.length;
if (typeof options.limit === 'number') {
search.items = search.items.slice(0, options.limit);
}
return search;
}
}
/**
* Iterates over arrays and hashes.
*
* ```
* iterate(this.items, function(item, id) {
* // invoked for each item
* });
* ```
*
*/
const iterate = (object, callback) => {
if (Array.isArray(object)) {
object.forEach(callback);
} else {
for (var key in object) {
if (object.hasOwnProperty(key)) {
callback(object[key], key);
}
}
}
};
/**
* Return a dom element from either a dom query string, jQuery object, a dom element or html string
* https://stackoverflow.com/questions/494143/creating-a-new-dom-element-from-an-html-string-using-built-in-dom-methods-or-pro/35385518#35385518
*
* param query should be {}
*/
const getDom = query => {
if (query.jquery) {
return query[0];
}
if (query instanceof HTMLElement) {
return query;
}
if (isHtmlString(query)) {
var tpl = document.createElement('template');
tpl.innerHTML = query.trim(); // Never return a text node of whitespace as the result
return tpl.content.firstChild;
}
return document.querySelector(query);
};
const isHtmlString = arg => {
if (typeof arg === 'string' && arg.indexOf('<') > -1) {
return true;
}
return false;
};
const escapeQuery = query => {
return query.replace(/['"\\]/g, '\\$&');
};
/**
* Dispatch an event
*
*/
const triggerEvent = (dom_el, event_name) => {
var event = document.createEvent('HTMLEvents');
event.initEvent(event_name, true, false);
dom_el.dispatchEvent(event);
};
/**
* Apply CSS rules to a dom element
*
*/
const applyCSS = (dom_el, css) => {
Object.assign(dom_el.style, css);
};
/**
* Add css classes
*
*/
const addClasses = (elmts, ...classes) => {
var norm_classes = classesArray(classes);
elmts = castAsArray(elmts);
elmts.map(el => {
norm_classes.map(cls => {
el.classList.add(cls);
});
});
};
/**
* Remove css classes
*
*/
const removeClasses = (elmts, ...classes) => {
var norm_classes = classesArray(classes);
elmts = castAsArray(elmts);
elmts.map(el => {
norm_classes.map(cls => {
el.classList.remove(cls);
});
});
};
/**
* Return arguments
*
*/
const classesArray = args => {
var classes = [];
iterate(args, _classes => {
if (typeof _classes === 'string') {
_classes = _classes.trim().split(/[\11\12\14\15\40]/);
}
if (Array.isArray(_classes)) {
classes = classes.concat(_classes);
}
});
return classes.filter(Boolean);
};
/**
* Create an array from arg if it's not already an array
*
*/
const castAsArray = arg => {
if (!Array.isArray(arg)) {
arg = [arg];
}
return arg;
};
/**
* Get the closest node to the evt.target matching the selector
* Stops at wrapper
*
*/
const parentMatch = (target, selector, wrapper) => {
if (wrapper && !wrapper.contains(target)) {
return;
}
while (target && target.matches) {
if (target.matches(selector)) {
return target;
}
target = target.parentNode;
}
};
/**
* Get the first or last item from an array
*
* > 0 - right (last)
* <= 0 - left (first)
*
*/
const getTail = (list, direction = 0) => {
if (direction > 0) {
return list[list.length - 1];
}
return list[0];
};
/**
* Return true if an object is empty
*
*/
const isEmptyObject = obj => {
return Object.keys(obj).length === 0;
};
/**
* Get the index of an element amongst sibling nodes of the same type
*
*/
const nodeIndex = (el, amongst) => {
if (!el) return -1;
amongst = amongst || el.nodeName;
var i = 0;
while (el = el.previousElementSibling) {
if (el.matches(amongst)) {
i++;
}
}
return i;
};
/**
* Set attributes of an element
*
*/
const setAttr = (el, attrs) => {
iterate(attrs, (val, attr) => {
if (val == null) {
el.removeAttribute(attr);
} else {
el.setAttribute(attr, '' + val);
}
});
};
/**
* Replace a node
*/
const replaceNode = (existing, replacement) => {
if (existing.parentNode) existing.parentNode.replaceChild(replacement, existing);
};
/**
* highlight v3 | MIT license | Johann Burkard <jb@eaio.com>
* Highlights arbitrary terms in a node.
*
* - Modified by Marshal <beatgates@gmail.com> 2011-6-24 (added regex)
* - Modified by Brian Reavis <brian@thirdroute.com> 2012-8-27 (cleanup)
*/
const highlight = (element, regex) => {
if (regex === null) return; // convet string to regex
if (typeof regex === 'string') {
if (!regex.length) return;
regex = new RegExp(regex, 'i');
} // Wrap matching part of text node with highlighting <span>, e.g.
// Soccer -> <span class="highlight">Soc</span>cer for regex = /soc/i
const highlightText = node => {
var match = node.data.match(regex);
if (match && node.data.length > 0) {
var spannode = document.createElement('span');
spannode.className = 'highlight';
var middlebit = node.splitText(match.index);
middlebit.splitText(match[0].length);
var middleclone = middlebit.cloneNode(true);
spannode.appendChild(middleclone);
replaceNode(middlebit, spannode);
return 1;
}
return 0;
}; // Recurse element node, looking for child text nodes to highlight, unless element
// is childless, <script>, <style>, or already highlighted: <span class="hightlight">
const highlightChildren = node => {
if (node.nodeType === 1 && node.childNodes && !/(script|style)/i.test(node.tagName) && (node.className !== 'highlight' || node.tagName !== 'SPAN')) {
Array.from(node.childNodes).forEach(element => {
highlightRecursive(element);
});
}
};
const highlightRecursive = node => {
if (node.nodeType === 3) {
return highlightText(node);
}
highlightChildren(node);
return 0;
};
highlightRecursive(element);
};
/**
* removeHighlight fn copied from highlight v5 and
* edited to remove with(), pass js strict mode, and use without jquery
*/
const removeHighlight = el => {
var elements = el.querySelectorAll("span.highlight");
Array.prototype.forEach.call(elements, function (el) {
var parent = el.parentNode;
parent.replaceChild(el.firstChild, el);
parent.normalize();
});
};
const KEY_A = 65;
const KEY_RETURN = 13;
const KEY_ESC = 27;
const KEY_LEFT = 37;
const KEY_UP = 38;
const KEY_RIGHT = 39;
const KEY_DOWN = 40;
const KEY_BACKSPACE = 8;
const KEY_DELETE = 46;
const KEY_TAB = 9;
const IS_MAC = typeof navigator === 'undefined' ? false : /Mac/.test(navigator.userAgent);
const KEY_SHORTCUT = IS_MAC ? 'metaKey' : 'ctrlKey'; // ctrl key or apple key for ma
var defaults = {
options: [],
optgroups: [],
plugins: [],
delimiter: ',',
splitOn: null,
// regexp or string for splitting up values from a paste command
persist: true,
diacritics: true,
create: null,
createOnBlur: false,
createFilter: null,
highlight: true,
openOnFocus: true,
shouldOpen: null,
maxOptions: 50,
maxItems: null,
hideSelected: null,
duplicates: false,
addPrecedence: false,
selectOnTab: false,
preload: null,
allowEmptyOption: false,
//closeAfterSelect: false,
loadThrottle: 300,
loadingClass: 'loading',
dataAttr: null,
//'data-data',
optgroupField: 'optgroup',
valueField: 'value',
labelField: 'text',
disabledField: 'disabled',
optgroupLabelField: 'label',
optgroupValueField: 'value',
lockOptgroupOrder: false,
sortField: '$order',
searchField: ['text'],
searchConjunction: 'and',
mode: null,
wrapperClass: 'ts-wrapper',
controlClass: 'ts-control',
dropdownClass: 'ts-dropdown',
dropdownContentClass: 'ts-dropdown-content',
itemClass: 'item',
optionClass: 'option',
dropdownParent: null,
controlInput: '<input type="text" autocomplete="off" size="1" />',
copyClassesToDropdown: false,
placeholder: null,
hidePlaceholder: null,
shouldLoad: function (query) {
return query.length > 0;
},
/*
load : null, // function(query, callback) { ... }
score : null, // function(search) { ... }
onInitialize : null, // function() { ... }
onChange : null, // function(value) { ... }
onItemAdd : null, // function(value, $item) { ... }
onItemRemove : null, // function(value) { ... }
onClear : null, // function() { ... }
onOptionAdd : null, // function(value, data) { ... }
onOptionRemove : null, // function(value) { ... }
onOptionClear : null, // function() { ... }
onOptionGroupAdd : null, // function(id, data) { ... }
onOptionGroupRemove : null, // function(id) { ... }
onOptionGroupClear : null, // function() { ... }
onDropdownOpen : null, // function(dropdown) { ... }
onDropdownClose : null, // function(dropdown) { ... }
onType : null, // function(str) { ... }
onDelete : null, // function(values) { ... }
*/
render: {
/*
item: null,
optgroup: null,
optgroup_header: null,
option: null,
option_create: null
*/
}
};
/**
* Converts a scalar to its best string representation
* for hash keys and HTML attribute values.
*
* Transformations:
* 'str' -> 'str'
* null -> ''
* undefined -> ''
* true -> '1'
* false -> '0'
* 0 -> '0'
* 1 -> '1'
*
*/
const hash_key = value => {
if (typeof value === 'undefined' || value === null) return null;
return get_hash(value);
};
const get_hash = value => {
if (typeof value === 'boolean') return value ? '1' : '0';
return value + '';
};
/**
* Escapes a string for use within HTML.
*
*/
const escape_html = str => {
return (str + '').replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"');
};
/**
* Debounce the user provided load function
*
*/
const loadDebounce = (fn, delay) => {
var timeout;
return function (value, callback) {
var self = this;
if (timeout) {
self.loading = Math.max(self.loading - 1, 0);
clearTimeout(timeout);
}
timeout = setTimeout(function () {
timeout = null;
self.loadedSearches[value] = true;
fn.call(self, value, callback);
}, delay);
};
};
/**
* Debounce all fired events types listed in `types`
* while executing the provided `fn`.
*
*/
const debounce_events = (self, types, fn) => {
var type;
var trigger = self.trigger;
var event_args = {}; // override trigger method
self.trigger = function () {
var type = arguments[0];
if (types.indexOf(type) !== -1) {
event_args[type] = arguments;
} else {
return trigger.apply(self, arguments);
}
}; // invoke provided function
fn.apply(self, []);
self.trigger = trigger; // trigger queued events
for (type of types) {
if (type in event_args) {
trigger.apply(self, event_args[type]);
}
}
};
/**
* Determines the current selection within a text input control.
* Returns an object containing:
* - start
* - length
*
*/
const getSelection = input => {
return {
start: input.selectionStart || 0,
length: (input.selectionEnd || 0) - (input.selectionStart || 0)
};
};
/**
* Prevent default
*
*/
const preventDefault = (evt, stop = false) => {
if (evt) {
evt.preventDefault();
if (stop) {
evt.stopPropagation();
}
}
};
/**
* Add event helper
*
*/
const addEvent = (target, type, callback, options) => {
target.addEventListener(type, callback, options);
};
/**
* Return true if the requested key is down
* Will return false if more than one control character is pressed ( when [ctrl+shift+a] != [ctrl+a] )
* The current evt may not always set ( eg calling advanceSelection() )
*
*/
const isKeyDown = (key_name, evt) => {
if (!evt) {
return false;
}
if (!evt[key_name]) {
return false;
}
var count = (evt.altKey ? 1 : 0) + (evt.ctrlKey ? 1 : 0) + (evt.shiftKey ? 1 : 0) + (evt.metaKey ? 1 : 0);
if (count === 1) {
return true;
}
return false;
};
/**
* Get the id of an element
* If the id attribute is not set, set the attribute with the given id
*
*/
const getId = (el, id) => {
const existing_id = el.getAttribute('id');
if (existing_id) {
return existing_id;
}
el.setAttribute('id', id);
return id;
};
/**
* Returns a string with backslashes added before characters that need to be escaped.
*/
const addSlashes = str => {
return str.replace(/[\\"']/g, '\\$&');
};
/**
*
*/
const append = (parent, node) => {
if (node) parent.append(node);
};
function getSettings(input, settings_user) {
var settings = Object.assign({}, defaults, settings_user);
var attr_data = settings.dataAttr;
var field_label = settings.labelField;
var field_value = settings.valueField;
var field_disabled = settings.disabledField;
var field_optgroup = settings.optgroupField;
var field_optgroup_label = settings.optgroupLabelField;
var field_optgroup_value = settings.optgroupValueField;
var tag_name = input.tagName.toLowerCase();
var placeholder = input.getAttribute('placeholder') || input.getAttribute('data-placeholder');
if (!placeholder && !settings.allowEmptyOption) {
let option = input.querySelector('option[value=""]');
if (option) {
placeholder = option.textContent;
}
}
var settings_element = {
placeholder: placeholder,
options: [],
optgroups: [],
items: [],
maxItems: null
};
/**
* Initialize from a <select> element.
*
*/
var init_select = () => {
var tagName;
var options = settings_element.options;
var optionsMap = {};
var group_count = 1;
var readData = el => {
var data = Object.assign({}, el.dataset); // get plain object from DOMStringMap
var json = attr_data && data[attr_data];
if (typeof json === 'string' && json.length) {
data = Object.assign(data, JSON.parse(json));
}
return data;
};
var addOption = (option, group) => {
var value = hash_key(option.value);
if (value == null) return;
if (!value && !settings.allowEmptyOption) return; // if the option already exists, it's probably been
// duplicated in another optgroup. in this case, push
// the current group to the "optgroup" property on the
// existing option so that it's rendered in both places.
if (optionsMap.hasOwnProperty(value)) {
if (group) {
var arr = optionsMap[value][field_optgroup];
if (!arr) {
optionsMap[value][field_optgroup] = group;
} else if (!Array.isArray(arr)) {
optionsMap[value][field_optgroup] = [arr, group];
} else {
arr.push(group);
}
}
} else {
var option_data = readData(option);
option_data[field_label] = option_data[field_label] || option.textContent;
option_data[field_value] = option_data[field_value] || value;
option_data[field_disabled] = option_data[field_disabled] || option.disabled;
option_data[field_optgroup] = option_data[field_optgroup] || group;
option_data.$option = option;
optionsMap[value] = option_data;
options.push(option_data);
}
if (option.selected) {
settings_element.items.push(value);
}
};
var addGroup = optgroup => {
var id, optgroup_data;
optgroup_data = readData(optgroup);
optgroup_data[field_optgroup_label] = optgroup_data[field_optgroup_label] || optgroup.getAttribute('label') || '';
optgroup_data[field_optgroup_value] = optgroup_data[field_optgroup_value] || group_count++;
optgroup_data[field_disabled] = optgroup_data[field_disabled] || optgroup.disabled;
settings_element.optgroups.push(optgroup_data);
id = optgroup_data[field_optgroup_value];
iterate(optgroup.children, option => {
addOption(option, id);
});
};
settings_element.maxItems = input.hasAttribute('multiple') ? null : 1;
iterate(input.children, child => {
tagName = child.tagName.toLowerCase();
if (tagName === 'optgroup') {
addGroup(child);
} else if (tagName === 'option') {
addOption(child);
}
});
};
/**
* Initialize from a <input type="text"> element.
*
*/
var init_textbox = () => {
const data_raw = input.getAttribute(attr_data);
if (!data_raw) {
var value = input.value.trim() || '';
if (!settings.allowEmptyOption && !value.length) return;
const values = value.split(settings.delimiter);
iterate(values, value => {
const option = {};
option[field_label] = value;
option[field_value] = value;
settings_element.options.push(option);
});
settings_element.items = values;
} else {
settings_element.options = JSON.parse(data_raw);
iterate(settings_element.options, opt => {
settings_element.items.push(opt[field_value]);
});
}
};
if (tag_name === 'select') {
init_select();
} else {
init_textbox();
}
return Object.assign({}, defaults, settings_element, settings_user);
}
var instance_i = 0;
class TomSelect extends MicroPlugin(MicroEvent) {
// @deprecated 1.8
constructor(input_arg, user_settings) {
super();
this.control_input = void 0;
this.wrapper = void 0;
this.dropdown = void 0;
this.control = void 0;
this.dropdown_content = void 0;
this.focus_node = void 0;
this.order = 0;
this.settings = void 0;
this.input = void 0;
this.tabIndex = void 0;
this.is_select_tag = void 0;
this.rtl = void 0;
this.inputId = void 0;
this._destroy = void 0;
this.sifter = void 0;
this.isOpen = false;
this.isDisabled = false;
this.isRequired = void 0;
this.isInvalid = false;
this.isValid = true;
this.isLocked = false;
this.isFocused = false;
this.isInputHidden = false;
this.isSetup = false;
this.ignoreFocus = false;
this.ignoreHover = false;
this.hasOptions = false;
this.currentResults = void 0;
this.lastValue = '';
this.caretPos = 0;
this.loading = 0;
this.loadedSearches = {};
this.activeOption = null;
this.activeItems = [];
this.optgroups = {};
this.options = {};
this.userOptions = {};
this.items = [];
instance_i++;
var dir;
var input = getDom(input_arg);
if (input.tomselect) {
throw new Error('Tom Select already initialized on this element');
}
input.tomselect = this; // detect rtl environment
var computedStyle = window.getComputedStyle && window.getComputedStyle(input, null);
dir = computedStyle.getPropertyValue('direction'); // setup default state
const settings = getSettings(input, user_settings);
this.settings = settings;
this.input = input;
this.tabIndex = input.tabIndex || 0;
this.is_select_tag = input.tagName.toLowerCase() === 'select';
this.rtl = /rtl/i.test(dir);
this.inputId = getId(input, 'tomselect-' + instance_i);
this.isRequired = input.required; // search system
this.sifter = new Sifter(this.options, {
diacritics: settings.diacritics
}); // option-dependent defaults
settings.mode = settings.mode || (settings.maxItems === 1 ? 'single' : 'multi');
if (typeof settings.hideSelected !== 'boolean') {
settings.hideSelected = settings.mode === 'multi';
}
if (typeof settings.hidePlaceholder !== 'boolean') {
settings.hidePlaceholder = settings.mode !== 'multi';
} // set up createFilter callback
var filter = settings.createFilter;
if (typeof filter !== 'function') {
if (typeof filter === 'string') {
filter = new RegExp(filter);
}
if (filter instanceof RegExp) {
settings.createFilter = input => filter.test(input);
} else {
settings.createFilter = value => {
return this.settings.duplicates || !this.options[value];
};
}
}
this.initializePlugins(settings.plugins);
this.setupCallbacks();
this.setupTemplates(); // Create all elements
const wrapper = getDom('<div>');
const control = getDom('<div>');
const dropdown = this._render('dropdown');
const dropdown_content = getDom(`<div role="listbox" tabindex="-1">`);
const classes = this.input.getAttribute('class') || '';
const inputMode = settings.mode;
var control_input;
addClasses(wrapper, settings.wrapperClass, classes, inputMode);
addClasses(control, settings.controlClass);
append(wrapper, control);
addClasses(dropdown, settings.dropdownClass, inputMode);
if (settings.copyClassesToDropdown) {
addClasses(dropdown, classes);
}
addClasses(dropdown_content, settings.dropdownContentClass);
append(dropdown, dropdown_content);
getDom(settings.dropdownParent || wrapper).appendChild(dropdown); // default controlInput
if (isHtmlString(settings.controlInput)) {
control_input = getDom(settings.controlInput); // set attributes
var attrs = ['autocorrect', 'autocapitalize', 'autocomplete'];
iterate$1(attrs, attr => {
if (input.getAttribute(attr)) {
setAttr(control_input, {
[attr]: input.getAttribute(attr)
});
}
});
control_input.tabIndex = -1;
control.appendChild(control_input);
this.focus_node = control_input; // dom element
} else if (settings.controlInput) {
control_input = getDom(settings.controlInput);
this.focus_node = control_input;
} else {
control_input = getDom('<input/>');
this.focus_node = control;
}
this.wrapper = wrapper;
this.dropdown = dropdown;
this.dropdown_content = dropdown_content;
this.control = control;
this.control_input = control_input;
this.setup();
}
/**
* set up event bindings.
*
*/
setup() {
const self = this;
const settings = self.settings;
const control_input = self.control_input;
const dropdown = self.dropdown;
const dropdown_content = self.dropdown_content;
const wrapper = self.wrapper;
const control = self.control;
const input = self.input;
const focus_node = self.focus_node;
const passive_event = {
passive: true
};
const listboxId = self.inputId + '-ts-dropdown';
setAttr(dropdown_content, {
id: listboxId
});
setAttr(focus_node, {
role: 'combobox',
'aria-haspopup': 'listbox',
'aria-expanded': 'false',
'aria-controls': listboxId
});
const control_id = getId(focus_node, self.inputId + '-ts-control');
const query = "label[for='" + escapeQuery(self.inputId) + "']";
const label = document.querySelector(query);
const label_click = self.focus.bind(self);
if (label) {
addEvent(label, 'click', label_click);
setAttr(label, {
for: control_id
});
const label_id = getId(label, self.inputId + '-ts-label');
setAttr(focus_node, {
'aria-labelledby': label_id
});
setAttr(dropdown_content, {
'aria-labelledby': label_id
});
}
wrapper.style.width = input.style.width;
if (self.plugins.names.length) {
const classes_plugins = 'plugin-' + self.plugins.names.join(' plugin-');
addClasses([wrapper, dropdown], classes_plugins);
}
if ((settings.maxItems === null || settings.maxItems > 1) && self.is_select_tag) {
setAttr(input, {
multiple: 'multiple'
});
}
if (settings.placeholder) {
setAttr(control_input, {
placeholder: settings.placeholder
});
} // if splitOn was not passed in, construct it from the delimiter to allow pasting universally
if (!settings.splitOn && settings.delimiter) {
settings.splitOn = new RegExp('\\s*' + escape_regex(settings.delimiter) + '+\\s*');
} // debounce user defined load() if loadThrottle > 0
// after initializePlugins() so plugins can create/modify user defined loaders
if (settings.load && settings.loadThrottle) {
settings.load = loadDebounce(settings.load, settings.loadThrottle);
}
self.control_input.type = input.type;
addEvent(dropdown, 'mousemove', () => {
self.ignoreHover = false;
});
addEvent(dropdown, 'mouseenter', e => {
var target_match = parentMatch(e.target, '[data-selectable]', dropdown);
if (target_match) self.onOptionHover(e, target_match);
}, {
capture: true
}); // clicking on an option should select it
addEvent(dropdown, 'click', evt => {
const option = parentMatch(evt.target, '[data-selectable]');
if (option) {
self.onOptionSelect(evt, option);
preventDefault(evt, true);
}
});
addEvent(control, 'click', evt => {
var target_match = parentMatch(evt.target, '[data-ts-item]', control);
if (target_match && self.onItemSelect(evt, target_match)) {
preventDefault(evt, true);
return;
} // retain focus (see control_input mousedown)
if (control_input.value != '') {
return;
}
self.onClick();
preventDefault(evt, true);
}); // keydown on focus_node for arrow_down/arrow_up
addEvent(focus_node, 'keydown', e => self.onKeyDown(e)); // keypress and input/keyup
addEvent(control_input, 'keypress', e => self.onKeyPress(e));
addEvent(control_input, 'input', e => self.onInput(e));
addEvent(focus_node, 'blur', e => self.onBlur(e));
addEvent(focus_node, 'focus', e => self.onFocus(e));
addEvent(control_input, 'paste', e => self.onPaste(e));
const doc_mousedown = evt => {
// blur if target is outside of this instance
// dropdown is not always inside wrapper
const target = evt.composedPath()[0];
if (!wrapper.contains(target) && !dropdown.contains(target)) {
if (self.isFocused) {
self.blur();
}
self.inputState();
return;
} // retain focus by preventing native handling. if the
// event target is the input it should not be modified.
// otherwise, text selection within the input won't work.
// Fixes bug #212 which is no covered by tests
if (target == control_input && self.isOpen) {
evt.stopPropagation(); // clicking anywhere in the control should not blur the control_input (which would close the dropdown)
} else {
preventDefault(evt, true);
}
};
const win_scroll = () => {
if (self.isOpen) {
self.positionDropdown();
}
};
addEvent(document, 'mousedown', doc_mousedown);
addEvent(window, 'scroll', win_scroll, passive_event);
addEvent(window, 'resize', win_scroll, passive_event);
this._destroy = () => {
document.removeEventListener('mousedown', doc_mousedown);
window.removeEventListener('scroll', win_scroll);
window.removeEventListener('resize', win_scroll);
if (label) label.removeEventListener('click', label_click);
}; // store original html and tab index so that they can be
// restored when the destroy() method is called.
this.revertSettings = {
innerHTML: input.innerHTML,
tabIndex: input.tabIndex
};
input.tabIndex = -1;
input.insertAdjacentElement('afterend', self.wrapper);
self.sync(false);
settings.items = [];
delete settings.optgroups;
delete settings.options;
addEvent(input, 'invalid', () => {
if (self.isValid) {
self.isValid = false;
self.isInvalid = true;
self.refreshState();
}
});
self.updateOriginalInput();
self.refreshItems();
self.close(false);
self.inputState();
self.isSetup = true;
if (input.disabled) {
self.disable();
} else {
self.enable(); //sets tabIndex
}
self.on('change', this.onChange);
addClasses(input, 'tomselected', 'ts-hidden-accessible');
self.trigger('initialize'); // preload options
if (settings.preload === true) {
self.preload();
}
}
/**
* Register options and optgroups
*
*/
setupOptions(options = [], optgroups = []) {
// build options table
this.addOptions(options); // build optgroup table
iterate$1(optgroups, optgroup => {
this.registerOptionGroup(optgroup);
});
}
/**
* Sets up default rendering functions.
*/
setupTemplates() {
var self = this;
var field_label = self.settings.labelField;
var field_optgroup = self.settings.optgroupLabelField;
var templates = {
'optgroup': data => {
let optgroup = document.createElement('div');
optgroup.className = 'optgroup';
optgroup.appendChild(data.options);
return optgroup;
},
'optgroup_header': (data, escape) => {
return '<div class="optgroup-header">' + escape(data[field_optgroup]) + '</div>';
},
'option': (data, escape) => {
return '<div>' + escape(data[field_label]) + '</div>';
},
'item': (data, escape) => {
return '<div>' + escape(data[field_label]) + '</div>';
},
'option_create': (data, escape) => {
return '<div class="create">Add <strong>' + escape(data.input) + '</strong>…</div>';
},
'no_results': () => {
return '<div class="no-results">No results found</div>';
},
'loading': () => {
return '<div class="spinner"></div>';
},
'not_loading': () => {},
'dropdown': () => {
return '<div></div>';
}
};
self.settings.render = Object.assign({}, templates, self.settings.render);
}
/**
* Maps fired events to callbacks provided
* in the settings used when creating the control.
*/
setupCallbacks() {
var key, fn;
var callbacks = {
'initialize': 'onInitialize',
'change': 'onChange',
'item_add': 'onItemAdd',
'item_remove': 'onItemRemove',
'item_select': 'onItemSelect',
'clear': 'onClear',
'option_add': 'onOptionAdd',
'option_remove': 'onOptionRemove',
'option_clear': 'onOptionClear',
'optgroup_add': 'onOptionGroupAdd',
'optgroup_remove': 'onOptionGroupRemove',
'optgroup_clear': 'onOptionGroupClear',
'dropdown_open': 'onDropdownOpen',
'dropdown_close': 'onDropdownClose',
'type': 'onType',
'load': 'onLoad',
'focus': 'onFocus',
'blur': 'onBlur'
};
for (key in callbacks) {
fn = this.settings[callbacks[key]];
if (fn) this.on(key, fn);
}
}
/**
* Sync the Tom Select instance with the original input or select
*
*/
sync(get_settings = true) {
const self = this;
const settings = get_settings ? getSettings(self.input, {
delimiter: self.settings.delimiter
}) : self.settings;
self.setupOptions(settings.options, settings.optgroups);
self.setValue(settings.items || [], true); // silent prevents recursion
self.lastQuery = null; // so updated options will be displayed in dropdown
}
/**
* Triggered when the main control element
* has a click event.
*
*/
onClick() {
var self = this;
if (self.activeItems.length > 0) {
self.clearActiveItems();
self.focus();
return;
}
if (self.isFocused && self.isOpen) {
self.blur();
} else {
self.focus();
}
}
/**
* @deprecated v1.7
*
*/
onMouseDown() {}
/**
* Triggered when the value of the control has been changed.
* This should propagate the event to the original DOM
* input / select element.
*/
onChange() {
triggerEvent(this.input, 'input');
triggerEvent(this.input, 'change');
}
/**
* Triggered on <input> paste.
*
*/
onPaste(e) {
var self = this;
if (self.isInputHidden || self.isLocked) {
preventDefault(e);
return;
} // If a regex or string is included, this will split the pasted
// input and create Items for each separate value
if (!self.settings.splitOn) {
return;
} // Wait for pasted text to be recognized in value
setTimeout(() => {
var pastedText = self.inputValue();
if (!pastedText.match(self.settings.splitOn)) {
return;
}
var splitInput = pastedText.trim().split(self.settings.splitOn);
iterate$1(splitInput, piece => {
const hash = hash_key(piece);
if (hash) {
if (this.options[piece]) {
self.addItem(piece);
} else {
self.createItem(piece);
}
}
});
}, 0);
}
/**
* Triggered on <input> keypress.
*
*/
onKeyPress(e) {
var self = this;
if (self.isLocked) {
preventDefault(e);
return;
}
var character = String.fromCharCode(e.keyCode || e.which);
if (self.settings.create && self.settings.mode === 'multi' && character === self.settings.delimiter) {
self.createItem();
preventDefault(e);
return;
}
}
/**
* Triggered on <input> keydown.
*
*/
onKeyDown(e) {
var self = this;
self.ignoreHover = true;
if (self.isLocked) {
if (e.keyCode !== KEY_TAB) {
preventDefault(e);
}
return;
}
switch (e.keyCode) {
// ctrl+A: select all
case KEY_A:
if (isKeyDown(KEY_SHORTCUT, e)) {
if (self.control_input.value == '') {
preventDefault(e);
self.selectAll();
return;
}
}
break;
// esc: close dropdown
case KEY_ESC:
if (self.isOpen) {
preventDefault(e, true);
self.close();
}
self.clearActiveItems();
return;
// down: open dropdown or move selection down
case KEY_DOWN:
if (!self.isOpen && self.hasOptions) {
self.open();
} else if (self.activeOption) {
let next = self.getAdjacent(self.activeOption, 1);
if (next) self.setActiveOption(next);
}
preventDefault(e);
return;
// up: move selection up
case KEY_UP:
if (self.activeOption) {
let prev = self.getAdjacent(self.activeOption, -1);
if (prev) self.setActiveOption(prev);
}
preventDefault(e);
return;
// return: select active option
case KEY_RETURN:
if (self.canSelect(self.activeOption)) {
self.onOptionSelect(e, self.activeOption);
preventDefault(e); // if the option_create=null, the dropdown might be closed
} else if (self.settings.create && self.createItem()) {
preventDefault(e); // don't submit form when searching for a value
} else if (document.activeElement == self.control_input && self.isOpen) {
preventDefault(e);
}
return;
// left: modifiy item selection to the left
case KEY_LEFT:
self.advanceSelection(-1, e);
return;
// right: modifiy item selection to the right
case KEY_RIGHT:
self.advanceSelection(1, e);
return;
// tab: select active option and/or create item
case KEY_TAB:
if (self.settings.selectOnTab) {
if (self.canSelect(self.activeOption)) {
self.onOptionSelect(e, self.activeOption); // prevent default [tab] behaviour of jump to the next field
// if select isFull, then the dropdown won't be open and [tab] will work normally
preventDefault(e);
}
if (self.settings.create && self.createItem()) {
preventDefault(e);
}
}
return;
// delete|backspace: delete items
case KEY_BACKSPACE:
case KEY_DELETE:
self.deleteSelection(e);
return;
} // don't enter text in the control_input when active items are selected
if (self.isInputHidden && !isKeyDown(KEY_SHORTCUT, e)) {
preventDefault(e);
}
}
/**
* Triggered on <input> keyup.
*
*/
onInput(e) {
var self = this;
if (self.isLocked) {
return;
}
var value = self.inputValue();
if (self.lastValue !== value) {
self.lastValue = value;
if (self.settings.shouldLoad.call(self, value)) {
self.load(value);
}
self.refreshOptions();
self.trigger('type', value);
}
}
/**
* Triggered when the user rolls over
* an option in the autocomplete dropdown menu.
*
*/
onOptionHover(evt, option) {
if (this.ignoreHover) return;
this.setActiveOption(option, false);
}
/**
* Triggered on <input> focus.
*
*/
onFocus(e) {
var self = this;
var wasFocused = self.isFocused;
if (self.isDisabled) {
self.blur();
preventDefault(e);
return;
}
if (self.ignoreFocus) return;
self.isFocused = true;
if (self.settings.preload === 'focus') self.preload();
if (!wasFocused) self.trigger('focus');
if (!self.activeItems.length) {
self.showInput();
self.refreshOptions(!!self.settings.openOnFocus);
}
self.refreshState();
}
/**
* Triggered on <input> blur.
*
*/
onBlur(e) {
if (document.hasFocus() === false) return;
var self = this;
if (!self.isFocused) return;
self.isFocused = false;
self.ignoreFocus = false;
var deactivate = () => {
self.close();
self.setActiveItem();
self.setCaret(self.items.length);
self.trigger('blur');
};
if (self.settings.create && self.settings.createOnBlur) {
self.createItem(null, deactivate);
} else {
deactivate();
}
}
/**
* Triggered when the user clicks on an option
* in the autocomplete dropdown menu.
*
*/
onOptionSelect(evt, option) {
var value,
self = this; // should not be possible to trigger a option under a disabled optgroup
if (option.parentElement && option.parentElement.matches('[data-disabled]')) {
return;
}
if (option.classList.contains('create')) {
self.createItem(null, () => {
if (self.settings.closeAfterSelect) {
self.close();
}
});
} else {
value = option.dataset.value;
if (typeof value !== 'undefined') {
self.lastQuery = null;
self.addItem(value);
if (self.settings.closeAfterSelect) {
self.close();
}
if (!self.settings.hideSelected && evt.type && /click/.test(evt.type)) {
self.setActiveOption(option);
}
}
}
}
/**
* Return true if the given option can be selected
*
*/
canSelect(option) {
if (this.isOpen && option && this.dropdown_content.contains(option)) {
return true;
}
return false;
}
/**
* Triggered when the user clicks on an item
* that has been selected.
*
*/
onItemSelect(evt, item) {
var self = this;
if (!self.isLocked && self.settings.mode === 'multi') {
preventDefault(evt);
self.setActiveItem(item, evt);
return true;
}
return false;
}
/**
* Determines whether or not to invoke
* the user-provided option provider / loader
*
* Note, there is a subtle difference between
* this.canLoad() and this.settings.shouldLoad();
*
* - settings.shouldLoad() is a user-input validator.
* When false is returned, the not_loading template
* will be added to the dropdown
*
* - canLoad() is lower level validator that checks
* the Tom Select instance. There is no inherent user
* feedback when canLoad returns false
*
*/
canLoad(value) {
if (!this.settings.load) return false;
if (this.loadedSearches.hasOwnProperty(value)) return false;
return true;
}
/**
* Invokes the user-provided option provider / loader.
*
*/
load(value) {
const self = this;
if (!self.canLoad(value)) return;
addClasses(self.wrapper, self.settings.loadingClass);
self.loading++;
const callback = self.loadCallback.bind(self);
self.settings.load.call(self, value, callback);
}
/**
* Invoked by the user-provided option provider
*
*/
loadCallback(options, optgroups) {
const self = this;
self.loading = Math.max(self.loading - 1, 0);
self.lastQuery = null;
self.clearActiveOption(); // when new results load, focus should be on first option
self.setupOptions(options, optgroups);
self.refreshOptions(self.isFocused && !self.isInputHidden);
if (!self.loading) {
removeClasses(self.wrapper, self.settings.loadingClass);
}
self.trigger('load', options, optgroups);
}
preload() {
var classList = this.wrapper.classList;
if (classList.contains('preloaded')) return;
classList.add('preloaded');
this.load('');
}
/**
* Sets the input field of the control to the specified value.
*
*/
setTextboxValue(value = '') {
var input = this.control_input;
var changed = input.value !== value;
if (changed) {
input.value = value;
triggerEvent(input, 'update');
this.lastValue = value;
}
}
/**
* Returns the value of the control. If multiple items
* can be selected (e.g. <select multiple>), this returns
* an array. If only one item can be selected, this
* returns a string.
*
*/
getValue() {
if (this.is_select_tag && this.input.hasAttribute('multiple')) {
return this.items;
}
return this.items.join(this.settings.delimiter);
}
/**
* Resets the selected items to the given value.
*
*/
setValue(value, silent) {
var events = silent ? [] : ['change'];
debounce_events(this, events, () => {
this.clear(silent);
this.addItems(value, silent);
});
}
/**
* Resets the number of max items to the given value
*
*/
setMaxItems(value) {
if (value === 0) value = null; //reset to unlimited items.
this.settings.maxItems = value;
this.refreshState();
}
/**
* Sets the selected item.
*
*/
setActiveItem(item, e) {
var self = this;
var eventName;
var i, begin, end, swap;
var last;
if (self.settings.mode === 'single') return; // clear the active selection
if (!item) {
self.clearActiveItems();
if (self.isFocused) {
self.showInput();
}
return;
} // modify selection
eventName = e && e.type.toLowerCase();
if (eventName === 'click' && isKeyDown('shiftKey', e) && self.activeItems.length) {
last = self.getLastActive();
begin = Array.prototype.indexOf.call(self.control.children, last);
end = Array.prototype.indexOf.call(self.control.children, item);
if (begin > end) {
swap = begin;
begin = end;
end = swap;
}
for (i = begin; i <= end; i++) {
item = self.control.children[i];
if (self.activeItems.indexOf(item) === -1) {
self.setActiveItemClass(item);
}
}
preventDefault(e);
} else if (eventName === 'click' && isKeyDown(KEY_SHORTCUT, e) || eventName === 'keydown' && isKeyDown('shiftKey', e)) {
if (item.classList.contains('active')) {
self.removeActiveItem(item);
} else {
self.setActiveItemClass(item);
}
} else {
self.clearActiveItems();
self.setActiveItemClass(item);
} // ensure control has focus
self.hideInput();
if (!self.isFocused) {
self.focus();
}
}
/**
* Set the active and last-active classes
*
*/
setActiveItemClass(item) {
const self = this;
const last_active = self.control.querySelector('.last-active');
if (last_active) removeClasses(last_active, 'last-active');
addClasses(item, 'active last-active');
self.trigger('item_select', item);
if (self.activeItems.indexOf(item) == -1) {
self.activeItems.push(item);
}
}
/**
* Remove active item
*
*/
removeActiveItem(item) {
var idx = this.activeItems.indexOf(item);
this.activeItems.splice(idx, 1);
removeClasses(item, 'active');
}
/**
* Clears all the active items
*
*/
clearActiveItems() {
removeClasses(this.activeItems, 'active');
this.activeItems = [];
}
/**
* Sets the selected item in the dropdown menu
* of available options.
*
*/
setActiveOption(option, scroll = true) {
if (option === this.activeOption) {
return;
}
this.clearActiveOption();
if (!option) return;
this.activeOption = option;
setAttr(this.focus_node, {
'aria-activedescendant': option.getAttribute('id')
});
setAttr(option, {
'aria-selected': 'true'
});
addClasses(option, 'active');
if (scroll) this.scrollToOption(option);
}
/**
* Sets the dropdown_content scrollTop to display the option
*
*/
scrollToOption(option, behavior) {
if (!option) return;
const content = this.dropdown_content;
const height_menu = content.clientHeight;
const scrollTop = content.scrollTop || 0;
const height_item = option.offsetHeight;
const y = option.getBoundingClientRect().top - content.getBoundingClientRect().top + scrollTop;
if (y + height_item > height_menu + scrollTop) {
this.scroll(y - height_menu + height_item, behavior);
} else if (y < scrollTop) {
this.scroll(y, behavior);
}
}
/**
* Scroll the dropdown to the given position
*
*/
scroll(scrollTop, behavior) {
const content = this.dropdown_content;
if (behavior) {
content.style.scrollBehavior = behavior;
}
content.scrollTop = scrollTop;
content.style.scrollBehavior = '';
}
/**
* Clears the active option
*
*/
clearActiveOption() {
if (this.activeOption) {
removeClasses(this.activeOption, 'active');
setAttr(this.activeOption, {
'aria-selected': null
});
}
this.activeOption = null;
setAttr(this.focus_node, {
'aria-activedescendant': null
});
}
/**
* Selects all items (CTRL + A).
*/
selectAll() {
const self = this;
if (self.settings.mode === 'single') return;
const activeItems = self.controlChildren();
if (!activeItems.length) return;
self.hideInput();
self.close();
self.activeItems = activeItems;
iterate$1(activeItems, item => {
self.setActiveItemClass(item);
});
}
/**
* Determines if the control_input should be in a hidden or visible state
*
*/
inputState() {
var self = this;
if (!self.control.contains(self.control_input)) return;
setAttr(self.control_input, {
placeholder: self.settings.placeholder
});
if (self.activeItems.length > 0 || !self.isFocused && self.settings.hidePlaceholder && self.items.length > 0) {
self.setTextboxValue();
self.isInputHidden = true;
} else {
if (self.settings.hidePlaceholder && self.items.length > 0) {
setAttr(self.control_input, {
placeholder: ''
});
}
self.isInputHidden = false;
}
self.wrapper.classList.toggle('input-hidden', self.isInputHidden);
}
/**
* Hides the input element out of view, while
* retaining its focus.
* @deprecated 1.3
*/
hideInput() {
this.inputState();
}
/**
* Restores input visibility.
* @deprecated 1.3
*/
showInput() {
this.inputState();
}
/**
* Get the input value
*/
inputValue() {
return this.control_input.value.trim();
}
/**
* Gives the control focus.
*/
focus() {
var self = this;
if (self.isDisabled) return;
self.ignoreFocus = true;
if (self.control_input.offsetWidth) {
self.control_input.focus();
} else {
self.focus_node.focus();
}
setTimeout(() => {
self.ignoreFocus = false;
self.onFocus();
}, 0);
}
/**
* Forces the control out of focus.
*
*/
blur() {
this.focus_node.blur();
this.onBlur();
}
/**
* Returns a function that scores an object
* to show how good of a match it is to the
* provided query.
*
* @return {function}
*/
getScoreFunction(query) {
return this.sifter.getScoreFunction(query, this.getSearchOptions());
}
/**
* Returns search options for sifter (the system
* for scoring and sorting results).
*
* @see https://github.com/orchidjs/sifter.js
* @return {object}
*/
getSearchOptions() {
var settings = this.settings;
var sort = settings.sortField;
if (typeof settings.sortField === 'string') {
sort = [{
field: settings.sortField
}];
}
return {
fields: settings.searchField,
conjunction: settings.searchConjunction,
sort: sort,
nesting: settings.nesting
};
}
/**
* Searches through available options and returns
* a sorted array of matches.
*
*/
search(query) {
var result, calculateScore;
var self = this;
var options = this.getSearchOptions(); // validate user-provided result scoring function
if (self.settings.score) {
calculateScore = self.settings.score.call(self, query);
if (typeof calculateScore !== 'function') {
throw new Error('Tom Select "score" setting must be a function that returns a function');
}
} // perform search
if (query !== self.lastQuery) {
self.lastQuery = query;
result = self.sifter.search(query, Object.assign(options, {
score: calculateScore
}));
self.currentResults = result;
} else {
result = Object.assign({}, self.currentResults);
} // filter out selected items
if (self.settings.hideSelected) {
result.items = result.items.filter(item => {
let hashed = hash_key(item.id);
return !(hashed && self.items.indexOf(hashed) !== -1);
});
}
return result;
}
/**
* Refreshes the list of available options shown
* in the autocomplete dropdown menu.
*
*/
refreshOptions(triggerDropdown = true) {
var i, j, k, n, optgroup, optgroups, html, has_create_option, active_group;
var create;
const groups = {};
const groups_order = [];
var self = this;
var query = self.inputValue();
const same_query = query === self.lastQuery || query == '' && self.lastQuery == null;
var results = self.search(query);
var active_option = null;
var show_dropdown = self.settings.shouldOpen || false;
var dropdown_content = self.dropdown_content;
if (same_query) {
active_option = self.activeOption;
if (active_option) {
active_group = active_option.closest('[data-group]');
}
} // build markup
n = results.items.length;
if (typeof self.settings.maxOptions === 'number') {
n = Math.min(n, self.settings.maxOptions);
}
if (n > 0) {
show_dropdown = true;
} // render and group available options individually
for (i = 0; i < n; i++) {
// get option dom element
let item = results.items[i];
if (!item) continue;
let opt_value = item.id;
let option = self.options[opt_value];
if (option === undefined) continue;
let opt_hash = get_hash(opt_value);
let option_el = self.getOption(opt_hash, true); // toggle 'selected' class
if (!self.settings.hideSelected) {
option_el.classList.toggle('selected', self.items.includes(opt_hash));
}
optgroup = option[self.settings.optgroupField] || '';
optgroups = Array.isArray(optgroup) ? optgroup : [optgroup];
for (j = 0, k = optgroups && optgroups.length; j < k; j++) {
optgroup = optgroups[j];
if (!self.optgroups.hasOwnProperty(optgroup)) {
optgroup = '';
}
let group_fragment = groups[optgroup];
if (group_fragment === undefined) {
group_fragment = document.createDocumentFragment();
groups_order.push(optgroup);
} // nodes can only have one parent, so if the option is in mutple groups, we need a clone
if (j > 0) {
option_el = option_el.cloneNode(true);
setAttr(option_el, {
id: option.$id + '-clone-' + j,
'aria-selected': null
});
option_el.classList.add('ts-cloned');
removeClasses(option_el, 'active'); // make sure we keep the activeOption in the same group
if (self.activeOption && self.activeOption.dataset.value == opt_value) {
if (active_group && active_group.dataset.group === optgroup.toString()) {
active_option = option_el;
}
}
}
group_fragment.appendChild(option_el);
groups[optgroup] = group_fragment;
}
} // sort optgroups
if (self.settings.lockOptgroupOrder) {
groups_order.sort((a, b) => {
const grp_a = self.optgroups[a];
const grp_b = self.optgroups[b];
const a_order = grp_a && grp_a.$order || 0;
const b_order = grp_b && grp_b.$order || 0;
return a_order - b_order;
});
} // render optgroup headers & join groups
html = document.createDocumentFragment();
iterate$1(groups_order, optgroup => {
let group_fragment = groups[optgroup];
if (!group_fragment || !group_fragment.children.length) return;
let group_heading = self.optgroups[optgroup];
if (group_heading !== undefined) {
let group_options = document.createDocumentFragment();
let header = self.render('optgroup_header', group_heading);
append(group_options, header);
append(group_options, group_fragment);
let group_html = self.render('optgroup', {
group: group_heading,
options: group_options
});
append(html, group_html);
} else {
append(html, group_fragment);
}
});
dropdown_content.innerHTML = '';
append(dropdown_content, html); // highlight matching terms inline
if (self.settings.highlight) {
removeHighlight(dropdown_content);
if (results.query.length && results.tokens.length) {
iterate$1(results.tokens, tok => {
highlight(dropdown_content, tok.regex);
});
}
} // helper method for adding templates to dropdown
var add_template = template => {
let content = self.render(template, {
input: query
});
if (content) {
show_dropdown = true;
dropdown_content.insertBefore(content, dropdown_content.firstChild);
}
return content;
}; // add loading message
if (self.loading) {
add_template('loading'); // invalid query
} else if (!self.settings.shouldLoad.call(self, query)) {
add_template('not_loading'); // add no_results message
} else if (results.items.length === 0) {
add_template('no_results');
} // add create option
has_create_option = self.canCreate(query);
if (has_create_option) {
create = add_template('option_create');
} // activate
self.hasOptions = results.items.length > 0 || has_create_option;
if (show_dropdown) {
if (results.items.length > 0) {
if (!active_option && self.settings.mode === 'single' && self.items[0] != undefined) {
active_option = self.getOption(self.items[0]);
}
if (!dropdown_content.contains(active_option)) {
let active_index = 0;
if (create && !self.settings.addPrecedence) {
active_index = 1;
}
active_option = self.selectable()[active_index];
}
} else if (create) {
active_option = create;
}
if (triggerDropdown && !self.isOpen) {
self.open();
self.scrollToOption(active_option, 'auto');
}
self.setActiveOption(active_option);
} else {
self.clearActiveOption();
if (triggerDropdown && self.isOpen) {
self.close(false); // if create_option=null, we want the dropdown to close but not reset the textbox value
}
}
}
/**
* Return list of selectable options
*
*/
selectable() {
return this.dropdown_content.querySelectorAll('[data-selectable]');
}
/**
* Adds an available option. If it already exists,
* nothing will happen. Note: this does not refresh
* the options list dropdown (use `refreshOptions`
* for that).
*
* Usage:
*
* this.addOption(data)
*
*/
addOption(data, user_created = false) {
const self = this; // @deprecated 1.7.7
// use addOptions( array, user_created ) for adding multiple options
if (Array.isArray(data)) {
self.addOptions(data, user_created);
return false;
}
const key = hash_key(data[self.settings.valueField]);
if (key === null || self.options.hasOwnProperty(key)) {
return false;
}
data.$order = data.$order || ++self.order;
data.$id = self.inputId + '-opt-' + data.$order;
self.options[key] = data;
self.lastQuery = null;
if (user_created) {
self.userOptions[key] = user_created;
self.trigger('option_add', key, data);
}
return key;
}
/**
* Add multiple options
*
*/
addOptions(data, user_created = false) {
iterate$1(data, dat => {
this.addOption(dat, user_created);
});
}
/**
* @deprecated 1.7.7
*/
registerOption(data) {
return this.addOption(data);
}
/**
* Registers an option group to the pool of option groups.
*
* @return {boolean|string}
*/
registerOptionGroup(data) {
var key = hash_key(data[this.settings.optgroupValueField]);
if (key === null) return false;
data.$order = data.$order || ++this.order;
this.optgroups[key] = data;
return key;
}
/**
* Registers a new optgroup for options
* to be bucketed into.
*
*/
addOptionGroup(id, data) {
var hashed_id;
data[this.settings.optgroupValueField] = id;
if (hashed_id = this.registerOptionGroup(data)) {
this.trigger('optgroup_add', hashed_id, data);
}
}
/**
* Removes an existing option group.
*
*/
removeOptionGroup(id) {
if (this.optgroups.hasOwnProperty(id)) {
delete this.optgroups[id];
this.clearCache();
this.trigger('optgroup_remove', id);
}
}
/**
* Clears all existing option groups.
*/
clearOptionGroups() {
this.optgroups = {};
this.clearCache();
this.trigger('optgroup_clear');
}
/**
* Updates an option available for selection. If
* it is visible in the selected items or options
* dropdown, it will be re-rendered automatically.
*
*/
updateOption(value, data) {
const self = this;
var item_new;
var index_item;
const value_old = hash_key(value);
const value_new = hash_key(data[self.settings.valueField]); // sanity checks
if (value_old === null) return;
const data_old = self.options[value_old];
if (data_old == undefined) return;
if (typeof value_new !== 'string') throw new Error('Value must be set in option data');
const option = self.getOption(value_old);
const item = self.getItem(value_old);
data.$order = data.$order || data_old.$order;
delete self.options[value_old]; // invalidate render cache
// don't remove existing node yet, we'll remove it after replacing it
self.uncacheValue(value_new);
self.options[value_new] = data; // update the option if it's in the dropdown
if (option) {
if (self.dropdown_content.contains(option)) {
const option_new = self._render('option', data);
replaceNode(option, option_new);
if (self.activeOption === option) {
self.setActiveOption(option_new);
}
}
option.remove();
} // update the item if we have one
if (item) {
index_item = self.items.indexOf(value_old);
if (index_item !== -1) {
self.items.splice(index_item, 1, value_new);
}
item_new = self._render('item', data);
if (item.classList.contains('active')) addClasses(item_new, 'active');
replaceNode(item, item_new);
} // invalidate last query because we might have updated the sortField
self.lastQuery = null;
}
/**
* Removes a single option.
*
*/
removeOption(value, silent) {
const self = this;
value = get_hash(value);
self.uncacheValue(value);
delete self.userOptions[value];
delete self.options[value];
self.lastQuery = null;
self.trigger('option_remove', value);
self.removeItem(value, silent);
}
/**
* Clears all options.
*/
clearOptions(filter) {
const boundFilter = (filter || this.clearFilter).bind(this);
this.loadedSearches = {};
this.userOptions = {};
this.clearCache();
const selected = {};
iterate$1(this.options, (option, key) => {
if (boundFilter(option, key)) {
selected[key] = option;
}
});
this.options = this.sifter.items = selected;
this.lastQuery = null;
this.trigger('option_clear');
}
/**
* Used by clearOptions() to decide whether or not an option should be removed
* Return true to keep an option, false to remove
*
*/
clearFilter(option, value) {
if (this.items.indexOf(value) >= 0) {
return true;
}
return false;
}
/**
* Returns the dom element of the option
* matching the given value.
*
*/
getOption(value, create = false) {
const hashed = hash_key(value);
if (hashed === null) return null;
const option = this.options[hashed];
if (option != undefined) {
if (option.$div) {
return option.$div;
}
if (create) {
return this._render('option', option);
}
}
return null;
}
/**
* Returns the dom element of the next or previous dom element of the same type
* Note: adjacent options may not be adjacent DOM elements (optgroups)
*
*/
getAdjacent(option, direction, type = 'option') {
var self = this,
all;
if (!option) {
return null;
}
if (type == 'item') {
all = self.controlChildren();
} else {
all = self.dropdown_content.querySelectorAll('[data-selectable]');
}
for (let i = 0; i < all.length; i++) {
if (all[i] != option) {
continue;
}
if (direction > 0) {
return all[i + 1];
}
return all[i - 1];
}
return null;
}
/**
* Returns the dom element of the item
* matching the given value.
*
*/
getItem(item) {
if (typeof item == 'object') {
return item;
}
var value = hash_key(item);
return value !== null ? this.control.querySelector(`[data-value="${addSlashes(value)}"]`) : null;
}
/**
* "Selects" multiple items at once. Adds them to the list
* at the current caret position.
*
*/
addItems(values, silent) {
var self = this;
var items = Array.isArray(values) ? values : [values];
items = items.filter(x => self.items.indexOf(x) === -1);
const last_item = items[items.length - 1];
items.forEach(item => {
self.isPending = item !== last_item;
self.addItem(item, silent);
});
}
/**
* "Selects" an item. Adds it to the list
* at the current caret position.
*
*/
addItem(value, silent) {
var events = silent ? [] : ['change', 'dropdown_close'];
debounce_events(this, events, () => {
var item, wasFull;
const self = this;
const inputMode = self.settings.mode;
const hashed = hash_key(value);
if (hashed && self.items.indexOf(hashed) !== -1) {
if (inputMode === 'single') {
self.close();
}
if (inputMode === 'single' || !self.settings.duplicates) {
return;
}
}
if (hashed === null || !self.options.hasOwnProperty(hashed)) return;
if (inputMode === 'single') self.clear(silent);
if (inputMode === 'multi' && self.isFull()) return;
item = self._render('item', self.options[hashed]);
if (self.control.contains(item)) {
// duplicates
item = item.cloneNode(true);
}
wasFull = self.isFull();
self.items.splice(self.caretPos, 0, hashed);
self.insertAtCaret(item);
if (self.isSetup) {
// update menu / remove the option (if this is not one item being added as part of series)
if (!self.isPending && self.settings.hideSelected) {
let option = self.getOption(hashed);
let next = self.getAdjacent(option, 1);
if (next) {
self.setActiveOption(next);
}
} // refreshOptions after setActiveOption(),
// otherwise setActiveOption() will be called by refreshOptions() with the wrong value
if (!self.isPending && !self.settings.closeAfterSelect) {
self.refreshOptions(self.isFocused && inputMode !== 'single');
} // hide the menu if the maximum number of items have been selected or no options are left
if (self.settings.closeAfterSelect != false && self.isFull()) {
self.close();
} else if (!self.isPending) {
self.positionDropdown();
}
self.trigger('item_add', hashed, item);
if (!self.isPending) {
self.updateOriginalInput({
silent: silent
});
}
}
if (!self.isPending || !wasFull && self.isFull()) {
self.inputState();
self.refreshState();
}
});
}
/**
* Removes the selected item matching
* the provided value.
*
*/
removeItem(item = null, silent) {
const self = this;
item = self.getItem(item);
if (!item) return;
var i, idx;
const value = item.dataset.value;
i = nodeIndex(item);
item.remove();
if (item.classList.contains('active')) {
idx = self.activeItems.indexOf(item);
self.activeItems.splice(idx, 1);
removeClasses(item, 'active');
}
self.items.splice(i, 1);
self.lastQuery = null;
if (!self.settings.persist && self.userOptions.hasOwnProperty(value)) {
self.removeOption(value, silent);
}
if (i < self.caretPos) {
self.setCaret(self.caretPos - 1);
}
self.updateOriginalInput({
silent: silent
});
self.refreshState();
self.positionDropdown();
self.trigger('item_remove', value, item);
}
/**
* Invokes the `create` method provided in the
* TomSelect options that should provide the data
* for the new item, given the user input.
*
* Once this completes, it will be added
* to the item list.
*
*/
createItem(input = null, callback = () => {}) {
// triggerDropdown parameter @deprecated 2.1.1
if (arguments.length === 3) {
callback = arguments[2];
}
if (typeof callback != 'function') {
callback = () => {};
}
var self = this;
var caret = self.caretPos;
var output;
input = input || self.inputValue();
if (!self.canCreate(input)) {
callback();
return false;
}
self.lock();
var created = false;
var create = data => {
self.unlock();
if (!data || typeof data !== 'object') return callback();
var value = hash_key(data[self.settings.valueField]);
if (typeof value !== 'string') {
return callback();
}
self.setTextboxValue();
self.addOption(data, true);
self.setCaret(caret);
self.addItem(value);
callback(data);
created = true;
};
if (typeof self.settings.create === 'function') {
output = self.settings.create.call(this, input, create);
} else {
output = {
[self.settings.labelField]: input,
[self.settings.valueField]: input
};
}
if (!created) {
create(output);
}
return true;
}
/**
* Re-renders the selected item lists.
*/
refreshItems() {
var self = this;
self.lastQuery = null;
if (self.isSetup) {
self.addItems(self.items);
}
self.updateOriginalInput();
self.refreshState();
}
/**
* Updates all state-dependent attributes
* and CSS classes.
*/
refreshState() {
const self = this;
self.refreshValidityState();
const isFull = self.isFull();
const isLocked = self.isLocked;
self.wrapper.classList.toggle('rtl', self.rtl);
const wrap_classList = self.wrapper.classList;
wrap_classList.toggle('focus', self.isFocused);
wrap_classList.toggle('disabled', self.isDisabled);
wrap_classList.toggle('required', self.isRequired);
wrap_classList.toggle('invalid', !self.isValid);
wrap_classList.toggle('locked', isLocked);
wrap_classList.toggle('full', isFull);
wrap_classList.toggle('input-active', self.isFocused && !self.isInputHidden);
wrap_classList.toggle('dropdown-active', self.isOpen);
wrap_classList.toggle('has-options', isEmptyObject(self.options));
wrap_classList.toggle('has-items', self.items.length > 0);
}
/**
* Update the `required` attribute of both input and control input.
*
* The `required` property needs to be activated on the control input
* for the error to be displayed at the right place. `required` also
* needs to be temporarily deactivated on the input since the input is
* hidden and can't show errors.
*/
refreshValidityState() {
var self = this;
if (!self.input.validity) {
return;
}
self.isValid = self.input.validity.valid;
self.isInvalid = !self.isValid;
}
/**
* Determines whether or not more items can be added
* to the control without exceeding the user-defined maximum.
*
* @returns {boolean}
*/
isFull() {
return this.settings.maxItems !== null && this.items.length >= this.settings.maxItems;
}
/**
* Refreshes the original <select> or <input>
* element to reflect the current state.
*
*/
updateOriginalInput(opts = {}) {
const self = this;
var option, label;
const empty_option = self.input.querySelector('option[value=""]');
if (self.is_select_tag) {
const selected = [];
const has_selected = self.input.querySelectorAll('option:checked').length;
function AddSelected(option_el, value, label) {
if (!option_el) {
option_el = getDom('<option value="' + escape_html(value) + '">' + escape_html(label) + '</option>');
} // don't move empty option from top of list
// fixes bug in firefox https://bugzilla.mozilla.org/show_bug.cgi?id=1725293
if (option_el != empty_option) {
self.input.append(option_el);
}
selected.push(option_el); // marking empty option as selected can break validation
// fixes https://github.com/orchidjs/tom-select/issues/303
if (option_el != empty_option || has_selected > 0) {
option_el.selected = true;
}
return option_el;
} // unselect all selected options
self.input.querySelectorAll('option:checked').forEach(option_el => {
option_el.selected = false;
}); // nothing selected?
if (self.items.length == 0 && self.settings.mode == 'single') {
AddSelected(empty_option, "", ""); // order selected <option> tags for values in self.items
} else {
self.items.forEach(value => {
option = self.options[value];
label = option[self.settings.labelField] || '';
if (selected.includes(option.$option)) {
const reuse_opt = self.input.querySelector(`option[value="${addSlashes(value)}"]:not(:checked)`);
AddSelected(reuse_opt, value, label);
} else {
option.$option = AddSelected(option.$option, value, label);
}
});
}
} else {
self.input.value = self.getValue();
}
if (self.isSetup) {
if (!opts.silent) {
self.trigger('change', self.getValue());
}
}
}
/**
* Shows the autocomplete dropdown containing
* the available options.
*/
open() {
var self = this;
if (self.isLocked || self.isOpen || self.settings.mode === 'multi' && self.isFull()) return;
self.isOpen = true;
setAttr(self.focus_node, {
'aria-expanded': 'true'
});
self.refreshState();
applyCSS(self.dropdown, {
visibility: 'hidden',
display: 'block'
});
self.positionDropdown();
applyCSS(self.dropdown, {
visibility: 'visible',
display: 'block'
});
self.focus();
self.trigger('dropdown_open', self.dropdown);
}
/**
* Closes the autocomplete dropdown menu.
*/
close(setTextboxValue = true) {
var self = this;
var trigger = self.isOpen;
if (setTextboxValue) {
// before blur() to prevent form onchange event
self.setTextboxValue();
if (self.settings.mode === 'single' && self.items.length) {
self.hideInput();
}
}
self.isOpen = false;
setAttr(self.focus_node, {
'aria-expanded': 'false'
});
applyCSS(self.dropdown, {
display: 'none'
});
if (self.settings.hideSelected) {
self.clearActiveOption();
}
self.refreshState();
if (trigger) self.trigger('dropdown_close', self.dropdown);
}
/**
* Calculates and applies the appropriate
* position of the dropdown if dropdownParent = 'body'.
* Otherwise, position is determined by css
*/
positionDropdown() {
if (this.settings.dropdownParent !== 'body') {
return;
}
var context = this.control;
var rect = context.getBoundingClientRect();
var top = context.offsetHeight + rect.top + window.scrollY;
var left = rect.left + window.scrollX;
applyCSS(this.dropdown, {
width: rect.width + 'px',
top: top + 'px',
left: left + 'px'
});
}
/**
* Resets / clears all selected items
* from the control.
*
*/
clear(silent) {
var self = this;
if (!self.items.length) return;
var items = self.controlChildren();
iterate$1(items, item => {
self.removeItem(item, true);
});
self.showInput();
if (!silent) self.updateOriginalInput();
self.trigger('clear');
}
/**
* A helper method for inserting an element
* at the current caret position.
*
*/
insertAtCaret(el) {
const self = this;
const caret = self.caretPos;
const target = self.control;
target.insertBefore(el, target.children[caret] || null);
self.setCaret(caret + 1);
}
/**
* Removes the current selected item(s).
*
*/
deleteSelection(e) {
var direction, selection, caret, tail;
var self = this;
direction = e && e.keyCode === KEY_BACKSPACE ? -1 : 1;
selection = getSelection(self.control_input); // determine items that will be removed
const rm_items = [];
if (self.activeItems.length) {
tail = getTail(self.activeItems, direction);
caret = nodeIndex(tail);
if (direction > 0) {
caret++;
}
iterate$1(self.activeItems, item => rm_items.push(item));
} else if ((self.isFocused || self.settings.mode === 'single') && self.items.length) {
const items = self.controlChildren();
let rm_item;
if (direction < 0 && selection.start === 0 && selection.length === 0) {
rm_item = items[self.caretPos - 1];
} else if (direction > 0 && selection.start === self.inputValue().length) {
rm_item = items[self.caretPos];
}
if (rm_item !== undefined) {
rm_items.push(rm_item);
}
}
if (!self.shouldDelete(rm_items, e)) {
return false;
}
preventDefault(e, true); // perform removal
if (typeof caret !== 'undefined') {
self.setCaret(caret);
}
while (rm_items.length) {
self.removeItem(rm_items.pop());
}
self.showInput();
self.positionDropdown();
self.refreshOptions(false);
return true;
}
/**
* Return true if the items should be deleted
*/
shouldDelete(items, evt) {
const values = items.map(item => item.dataset.value); // allow the callback to abort
if (!values.length || typeof this.settings.onDelete === 'function' && this.settings.onDelete(values, evt) === false) {
return false;
}
return true;
}
/**
* Selects the previous / next item (depending on the `direction` argument).
*
* > 0 - right
* < 0 - left
*
*/
advanceSelection(direction, e) {
var last_active,
adjacent,
self = this;
if (self.rtl) direction *= -1;
if (self.inputValue().length) return; // add or remove to active items
if (isKeyDown(KEY_SHORTCUT, e) || isKeyDown('shiftKey', e)) {
last_active = self.getLastActive(direction);
if (last_active) {
if (!last_active.classList.contains('active')) {
adjacent = last_active;
} else {
adjacent = self.getAdjacent(last_active, direction, 'item');
} // if no active item, get items adjacent to the control input
} else if (direction > 0) {
adjacent = self.control_input.nextElementSibling;
} else {
adjacent = self.control_input.previousElementSibling;
}
if (adjacent) {
if (adjacent.classList.contains('active')) {
self.removeActiveItem(last_active);
}
self.setActiveItemClass(adjacent); // mark as last_active !! after removeActiveItem() on last_active
} // move caret to the left or right
} else {
self.moveCaret(direction);
}
}
moveCaret(direction) {}
/**
* Get the last active item
*
*/
getLastActive(direction) {
let last_active = this.control.querySelector('.last-active');
if (last_active) {
return last_active;
}
var result = this.control.querySelectorAll('.active');
if (result) {
return getTail(result, direction);
}
}
/**
* Moves the caret to the specified index.
*
* The input must be moved by leaving it in place and moving the
* siblings, due to the fact that focus cannot be restored once lost
* on mobile webkit devices
*
*/
setCaret(new_pos) {
this.caretPos = this.items.length;
}
/**
* Return list of item dom elements
*
*/
controlChildren() {
return Array.from(this.control.querySelectorAll('[data-ts-item]'));
}
/**
* Disables user input on the control. Used while
* items are being asynchronously created.
*/
lock() {
this.isLocked = true;
this.refreshState();
}
/**
* Re-enables user input on the control.
*/
unlock() {
this.isLocked = false;
this.refreshState();
}
/**
* Disables user input on the control completely.
* While disabled, it cannot receive focus.
*/
disable() {
var self = this;
self.input.disabled = true;
self.control_input.disabled = true;
self.focus_node.tabIndex = -1;
self.isDisabled = true;
this.close();
self.lock();
}
/**
* Enables the control so that it can respond
* to focus and user input.
*/
enable() {
var self = this;
self.input.disabled = false;
self.control_input.disabled = false;
self.focus_node.tabIndex = self.tabIndex;
self.isDisabled = false;
self.unlock();
}
/**
* Completely destroys the control and
* unbinds all event listeners so that it can
* be garbage collected.
*/
destroy() {
var self = this;
var revertSettings = self.revertSettings;
self.trigger('destroy');
self.off();
self.wrapper.remove();
self.dropdown.remove();
self.input.innerHTML = revertSettings.innerHTML;
self.input.tabIndex = revertSettings.tabIndex;
removeClasses(self.input, 'tomselected', 'ts-hidden-accessible');
self._destroy();
delete self.input.tomselect;
}
/**
* A helper method for rendering "item" and
* "option" templates, given the data.
*
*/
render(templateName, data) {
var id, html;
const self = this;
if (typeof this.settings.render[templateName] !== 'function') {
return null;
} // render markup
html = self.settings.render[templateName].call(this, data, escape_html);
if (!html) {
return null;
}
html = getDom(html); // add mandatory attributes
if (templateName === 'option' || templateName === 'option_create') {
if (data[self.settings.disabledField]) {
setAttr(html, {
'aria-disabled': 'true'
});
} else {
setAttr(html, {
'data-selectable': ''
});
}
} else if (templateName === 'optgroup') {
id = data.group[self.settings.optgroupValueField];
setAttr(html, {
'data-group': id
});
if (data.group[self.settings.disabledField]) {
setAttr(html, {
'data-disabled': ''
});
}
}
if (templateName === 'option' || templateName === 'item') {
const value = get_hash(data[self.settings.valueField]);
setAttr(html, {
'data-value': value
}); // make sure we have some classes if a template is overwritten
if (templateName === 'item') {
addClasses(html, self.settings.itemClass);
setAttr(html, {
'data-ts-item': ''
});
} else {
addClasses(html, self.settings.optionClass);
setAttr(html, {
role: 'option',
id: data.$id
}); // update cache
data.$div = html;
self.options[value] = data;
}
}
return html;
}
/**
* Type guarded rendering
*
*/
_render(templateName, data) {
const html = this.render(templateName, data);
if (html == null) {
throw 'HTMLElement expected';
}
return html;
}
/**
* Clears the render cache for a template. If
* no template is given, clears all render
* caches.
*
*/
clearCache() {
iterate$1(this.options, option => {
if (option.$div) {
option.$div.remove();
delete option.$div;
}
});
}
/**
* Removes a value from item and option caches
*
*/
uncacheValue(value) {
const option_el = this.getOption(value);
if (option_el) option_el.remove();
}
/**
* Determines whether or not to display the
* create item prompt, given a user input.
*
*/
canCreate(input) {
return this.settings.create && input.length > 0 && this.settings.createFilter.call(this, input);
}
/**
* Wraps this.`method` so that `new_fn` can be invoked 'before', 'after', or 'instead' of the original method
*
* this.hook('instead','onKeyDown',function( arg1, arg2 ...){
*
* });
*/
hook(when, method, new_fn) {
var self = this;
var orig_method = self[method];
self[method] = function () {
var result, result_new;
if (when === 'after') {
result = orig_method.apply(self, arguments);
}
result_new = new_fn.apply(self, arguments);
if (when === 'instead') {
return result_new;
}
if (when === 'before') {
result = orig_method.apply(self, arguments);
}
return result;
};
}
}
module.exports = TomSelect;
//# sourceMappingURL=tom-select.js.map