Klemek
75 lines
2.0 KiB
JavaScript
75 lines
2.0 KiB
JavaScript
const self = {
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/**
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* Merge resources by reading object keys and keeping reference value only if it's type is different from the source
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* @param ref - reference object/value
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* @param src - source object/value
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* @returns {*}
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*/
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merge: (ref, src) => {
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if (typeof ref !== typeof src) {
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return ref;
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} else if (ref.length && !src.length) {
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return ref;
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} else if (ref.length && src.length) {
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return src;
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} else if (typeof ref === 'object') {
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const out = {};
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Object.keys(ref).forEach((key) => out[key] = self.merge(ref[key], src[key]));
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return out;
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} else {
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return src;
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}
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},
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/**
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* Verify if an object respect it's definition
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* @param obj
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* @param def
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* @returns {null|string}
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*/
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isValid: (obj, def) => {
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const keys = Object.keys(def).filter(k => k !== '_');
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let key;
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let type;
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for (let i = 0; i < keys.length; i++) {
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key = keys[i];
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type = (typeof obj !== 'object' || obj[key] === undefined || obj[key] === null) ? null : typeof obj[key];
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if (type === 'object' && obj[key].length > 0)
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type = 'array';
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if (typeof def[key] === 'object') {
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if (type && type !== 'object' && type !== def[key]['_'])
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return key;
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const res = self.isValid(type ? obj[key] : undefined, def[key]);
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if (res)
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return key + '.' + res;
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} else {
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if (def[key][0] === '!') {
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def[key] = def[key].substr(1);
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if (!type)
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return key;
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}
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if (type && type !== def[key])
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return key;
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}
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}
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return null;
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},
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/**
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* Clone any JS variable or object
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* @param {*} arg
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* @returns {any}
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*/
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ezClone: (arg) => JSON.parse(JSON.stringify(arg)),
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/**
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* Create a new map of the defined bounds and filling
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* @param {number} w
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* @param {number} h
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* @param {*} fill
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* @returns {any[][]}
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*/
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newMap: (w, h, fill) => new Array(w).fill(0).map(() => new Array(h).fill(fill))
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};
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module.exports = self; |