46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
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// @ts-nocheck
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import assignValue from "./assignValue.js";
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import castPath from "./castPath.js";
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import isIndex from "./isIndex.js";
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import isObject from "./isObject.js";
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import toKey from "./toKey.js";
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/**
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* The base implementation of `set`.
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*
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* @private
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* @param {Object} object The object to modify.
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* @param {Array|string} path The path of the property to set.
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* @param {*} value The value to set.
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* @param {Function} [customizer] The function to customize path creation.
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* @returns {Object} Returns `object`.
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*/
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function baseSet(object, path, value, customizer) {
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if (!isObject(object)) {
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return object;
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}
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path = castPath(path, object);
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const length = path.length;
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const lastIndex = length - 1;
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let index = -1;
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let nested = object;
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while (nested != null && ++index < length) {
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const key = toKey(path[index]);
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let newValue = value;
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if (index !== lastIndex) {
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const objValue = nested[key];
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newValue = customizer ? customizer(objValue, key, nested) : undefined;
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if (newValue === undefined) {
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newValue = isObject(objValue)
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? objValue
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: isIndex(path[index + 1])
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? []
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: {};
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}
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}
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assignValue(nested, key, newValue);
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nested = nested[key];
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}
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return object;
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}
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export default baseSet;
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