jiapengyu
33 lines
754 B
JavaScript
33 lines
754 B
JavaScript
import _curry2 from './internal/_curry2';
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/**
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* Retrieve the value at a given path.
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*
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* @func
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* @memberOf R
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* @since v0.2.0
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* @category Object
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* @typedefn Idx = String | Int
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* @sig [Idx] -> {a} -> a | Undefined
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* @param {Array} path The path to use.
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* @param {Object} obj The object to retrieve the nested property from.
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* @return {*} The data at `path`.
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* @see R.prop
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* @example
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*
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* R.path(['a', 'b'], {a: {b: 2}}); //=> 2
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* R.path(['a', 'b'], {c: {b: 2}}); //=> undefined
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*/
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var path = /*#__PURE__*/_curry2(function path(paths, obj) {
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var val = obj;
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var idx = 0;
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while (idx < paths.length) {
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if (val == null) {
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return;
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}
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val = val[paths[idx]];
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idx += 1;
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}
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return val;
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});
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export default path; |