56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
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var _ = require('lodash');
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function jsonUtils() {}
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/**
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* Duplicate the source object and delete specified key(s) from the new object.
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*
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* @param {JSON} srcObj
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* @param {String[]} keys
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* @returns {Object} - A new object with key(s) removed
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*/
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jsonUtils.deleteProperties = function (srcObj, keys) {
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var newObj = _.cloneDeep(srcObj);
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jsonUtils.removeProps(newObj, keys);
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return newObj;
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};
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/**
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* Delete specified key(s) from the object.
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*
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* @param {JSON} obj
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* @param {String[]} keys
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*/
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jsonUtils.removeProps = function (obj, keys) {
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if (obj instanceof Array && obj[0] !== null) {
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obj.forEach(function (item) {
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jsonUtils.removeProps(item, keys);
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});
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} else if (typeof obj === 'object') {
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Object.getOwnPropertyNames(obj).forEach(function (key) {
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if (keys.indexOf(key) !== -1) {
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delete obj[key]; // eslint-disable-line no-param-reassign
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} else if (obj[key] != null) {
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jsonUtils.removeProps(obj[key], keys);
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}
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});
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}
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};
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/**
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* Return pretty-print JSON string
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*
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* @param {JSON} obj
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*/
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jsonUtils.toPrettyString = function (obj) {
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var prettyString;
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if (obj) {
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prettyString = JSON.stringify(obj, null, '\t');
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}
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return prettyString;
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};
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module.exports = jsonUtils;
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