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96 lines
2.3 KiB
JavaScript
96 lines
2.3 KiB
JavaScript
/*! sifter.js | https://github.com/orchidjs/sifter.js | Apache License (v2) */
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import { asciifold } from '@orchidjs/unicode-variants';
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/**
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* A property getter resolving dot-notation
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* @param {Object} obj The root object to fetch property on
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* @param {String} name The optionally dotted property name to fetch
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* @return {Object} The resolved property value
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*/
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const getAttr = (obj, name) => {
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if (!obj) return;
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return obj[name];
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};
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/**
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* A property getter resolving dot-notation
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* @param {Object} obj The root object to fetch property on
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* @param {String} name The optionally dotted property name to fetch
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* @return {Object} The resolved property value
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*/
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const getAttrNesting = (obj, name) => {
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if (!obj) return;
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var part,
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names = name.split(".");
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while ((part = names.shift()) && (obj = obj[part]));
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return obj;
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};
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/**
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* Calculates how close of a match the
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* given value is against a search token.
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*
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*/
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const scoreValue = (value, token, weight) => {
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var score, pos;
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if (!value) return 0;
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value = value + '';
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if (token.regex == null) return 0;
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pos = value.search(token.regex);
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if (pos === -1) return 0;
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score = token.string.length / value.length;
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if (pos === 0) score += 0.5;
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return score * weight;
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};
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/**
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* Cast object property to an array if it exists and has a value
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*
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*/
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const propToArray = (obj, key) => {
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var value = obj[key];
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if (typeof value == 'function') return value;
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if (value && !Array.isArray(value)) {
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obj[key] = [value];
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}
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};
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/**
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* Iterates over arrays and hashes.
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*
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* ```
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* iterate(this.items, function(item, id) {
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* // invoked for each item
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* });
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* ```
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*
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*/
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const iterate = (object, callback) => {
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if (Array.isArray(object)) {
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object.forEach(callback);
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} else {
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for (var key in object) {
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if (object.hasOwnProperty(key)) {
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callback(object[key], key);
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}
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}
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}
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};
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const cmp = (a, b) => {
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if (typeof a === 'number' && typeof b === 'number') {
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return a > b ? 1 : a < b ? -1 : 0;
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}
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a = asciifold(a + '').toLowerCase();
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b = asciifold(b + '').toLowerCase();
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if (a > b) return 1;
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if (b > a) return -1;
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return 0;
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};
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export { cmp, getAttr, getAttrNesting, iterate, propToArray, scoreValue };
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//# sourceMappingURL=utils.js.map
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