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33 lines
757 B
33 lines
757 B
var keys = require('./keys');
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/**
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* The base implementation of `_.conforms` which doesn't clone `source`.
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*
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* @private
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* @param {Object} source The object of property predicates to conform to.
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* @returns {Function} Returns the new spec function.
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*/
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function baseConforms(source) {
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var props = keys(source),
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length = props.length;
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return function(object) {
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if (object == null) {
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return !length;
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}
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var index = length;
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while (index--) {
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var key = props[index],
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predicate = source[key],
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value = object[key];
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if ((value === undefined &&
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!(key in Object(object))) || !predicate(value)) {
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return false;
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}
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}
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return true;
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};
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}
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module.exports = baseConforms;
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