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23 lines
775 B
23 lines
775 B
//
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'use strict';
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// Resolves property names or property paths defined with period-delimited
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// strings or arrays of strings. Property names that are found on the source
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// object are used directly (even if they include a period).
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// Nested property names that include periods, within a path, are only
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// understood in array paths.
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function getPropertyByPath(source , path ) {
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if (typeof path === 'string' && source.hasOwnProperty(path)) {
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return source[path];
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}
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const parsedPath = typeof path === 'string' ? path.split('.') : path;
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return parsedPath.reduce((previous, key) => {
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if (previous === undefined) {
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return previous;
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}
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return previous[key];
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}, source);
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}
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module.exports = getPropertyByPath;
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