29 lines
825 B
TypeScript
29 lines
825 B
TypeScript
/**
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* Get the value of an item inside an object
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* @param obj The source object
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* @param path The path to the object
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* @param defaultValue A default value to be returned
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*
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* @example
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* U.get({ a: 1, b: 2 }, 'b') // => 2
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*/
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export function get(obj: object, path: string, defaultValue: unknown = undefined): unknown {
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const travel = (regexp: RegExp) => {
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return String.prototype.split
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.call(path, regexp)
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.filter(Boolean)
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.reduce((res, key) => {
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if (res !== null && res !== undefined && res.hasOwnProperty(key)) {
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const { value }: any = Object.getOwnPropertyDescriptor(res, key);
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return value;
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} else
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return res;
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}, obj);
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};
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const result = travel(/[,[\].]+?/);
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return result === undefined || result === obj ? defaultValue : result;
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}
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