44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
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//#region src/compat/predicate/conformsTo.ts
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/**
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* Checks if `object` conforms to `source` by invoking the predicate properties of `source` with the corresponding property values of `object`.
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*
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* Note: This method is equivalent to `conforms` when source is partially applied.
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*
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* @template T - The type of the target object.
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* @param {T} target The object to inspect.
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* @param {ConformsPredicateObject<T>} source The object of property predicates to conform to.
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* @returns {boolean} Returns `true` if `object` conforms, else `false`.
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*
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* @example
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*
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* const object = { 'a': 1, 'b': 2 };
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* const source = {
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* 'a': (n) => n > 0,
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* 'b': (n) => n > 1
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* };
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*
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* console.log(conformsTo(object, source)); // => true
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*
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* const source2 = {
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* 'a': (n) => n > 1,
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* 'b': (n) => n > 1
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* };
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*
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* console.log(conformsTo(object, source2)); // => false
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*/
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function conformsTo(target, source) {
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if (source == null) return true;
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if (target == null) return Object.keys(source).length === 0;
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const keys = Object.keys(source);
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for (let i = 0; i < keys.length; i++) {
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const key = keys[i];
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const predicate = source[key];
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const value = target[key];
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if (value === void 0 && !(key in target)) return false;
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if (typeof predicate === "function" && !predicate(value)) return false;
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}
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return true;
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}
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//#endregion
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exports.conformsTo = conformsTo;
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