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104 lines
2.3 KiB
TypeScript
104 lines
2.3 KiB
TypeScript
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import { asciifold } from '@orchidjs/unicode-variants';
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import * as T from './types';
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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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export const getAttr = (obj:{[key:string]:any}, name:string ) => {
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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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export const getAttrNesting = (obj:{[key:string]:any}, name:string ) => {
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if (!obj ) return;
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var part, 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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export const scoreValue = (value:string, token:T.Token, weight:number ):number => {
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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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export const propToArray = (obj:{[key:string]:any}, key:string) => {
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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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export const iterate = (object:[]|{[key:string]:any}, callback:(value:any,key:any)=>any) => {
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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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export const cmp = (a:number|string, b:number|string) => {
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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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