[d565449] | 1 | import Stack from './_Stack.js';
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| 2 | import baseIsEqual from './_baseIsEqual.js';
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| 3 |
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| 4 | /** Used to compose bitmasks for value comparisons. */
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| 5 | var COMPARE_PARTIAL_FLAG = 1,
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| 6 | COMPARE_UNORDERED_FLAG = 2;
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| 7 |
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| 8 | /**
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| 9 | * The base implementation of `_.isMatch` without support for iteratee shorthands.
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| 10 | *
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| 11 | * @private
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| 12 | * @param {Object} object The object to inspect.
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| 13 | * @param {Object} source The object of property values to match.
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| 14 | * @param {Array} matchData The property names, values, and compare flags to match.
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| 15 | * @param {Function} [customizer] The function to customize comparisons.
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| 16 | * @returns {boolean} Returns `true` if `object` is a match, else `false`.
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| 17 | */
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| 18 | function baseIsMatch(object, source, matchData, customizer) {
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| 19 | var index = matchData.length,
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| 20 | length = index,
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| 21 | noCustomizer = !customizer;
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| 22 |
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| 23 | if (object == null) {
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| 24 | return !length;
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| 25 | }
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| 26 | object = Object(object);
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| 27 | while (index--) {
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| 28 | var data = matchData[index];
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| 29 | if ((noCustomizer && data[2])
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| 30 | ? data[1] !== object[data[0]]
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| 31 | : !(data[0] in object)
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| 32 | ) {
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| 33 | return false;
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| 34 | }
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| 35 | }
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| 36 | while (++index < length) {
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| 37 | data = matchData[index];
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| 38 | var key = data[0],
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| 39 | objValue = object[key],
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| 40 | srcValue = data[1];
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| 41 |
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| 42 | if (noCustomizer && data[2]) {
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| 43 | if (objValue === undefined && !(key in object)) {
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| 44 | return false;
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| 45 | }
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| 46 | } else {
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| 47 | var stack = new Stack;
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| 48 | if (customizer) {
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| 49 | var result = customizer(objValue, srcValue, key, object, source, stack);
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| 50 | }
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| 51 | if (!(result === undefined
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| 52 | ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
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| 53 | : result
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| 54 | )) {
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| 55 | return false;
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| 56 | }
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| 57 | }
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| 58 | }
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| 59 | return true;
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| 60 | }
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| 61 |
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| 62 | export default baseIsMatch;
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