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// @ts-ignore TS2691 "An import path cannot end with a '.ts' extension"
import { asciifold } from './diacritics.ts';
// @ts-ignore TS2691 "An import path cannot end with a '.ts' extension"
import * as T from './types.ts';
/**
* 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
*/
export const getAttr = (obj:{[key:string]:any}, name:string ) => {
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
*/
export const getAttrNesting = (obj:{[key:string]:any}, name:string ) => {
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.
*
*/
export const scoreValue = (value:string, token:T.Token, weight:number ):number => {
var score, pos;
if (!value) return 0;
value = value + '';
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;
};
/**
*
* https://stackoverflow.com/questions/63006601/why-does-u-throw-an-invalid-escape-error
*/
export const escape_regex = (str:string):string => {
return (str + '').replace(/([\$\(\)\*\+\.\?\[\]\^\{\|\}\\])/gu, '\\$1');
};
/**
* Cast object property to an array if it exists and has a value
*
*/
export const propToArray = (obj:{[key:string]:any}, key:string) => {
var value = obj[key];
if( value && !Array.isArray(value) ){
obj[key] = [value];
}
}
/**
* Iterates over arrays and hashes.
*
* ```
* iterate(this.items, function(item, id) {
* // invoked for each item
* });
* ```
*
*/
export const iterate = (object:[]|{[key:string]:any}, callback:(value:any,key:number|string)=>any) => {
if ( Array.isArray(object)) {
object.forEach(callback);
}else{
for (var key in object) {
Eif (object.hasOwnProperty(key)) {
callback(object[key], key);
}
}
}
};
export const cmp = (a:number|string, b:number|string) => {
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;
};
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