31 lines
841 B
Plaintext
31 lines
841 B
Plaintext
'use strict'
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module.exports = getPropertyValue
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const splitPropertyKey = require('./split-property-key')
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/**
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* Gets a specified property from an object if it exists.
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*
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* @param {object} obj The object to be searched.
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* @param {string|string[]} property A string, or an array of strings, identifying
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* the property to be retrieved from the object.
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* Accepts nested properties delimited by a `.`.
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* Delimiter can be escaped to preserve property names that contain the delimiter.
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* e.g. `'prop1.prop2'` or `'prop2\.domain\.corp.prop2'`.
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*
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* @returns {*}
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*/
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function getPropertyValue (obj, property) {
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const props = Array.isArray(property) ? property : splitPropertyKey(property)
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for (const prop of props) {
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if (!Object.prototype.hasOwnProperty.call(obj, prop)) {
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return
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}
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obj = obj[prop]
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}
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return obj
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}
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