mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-10 10:57:49 +00:00
Make _.result resolve values of functions as it deep crawls over them.
This commit is contained in:
25
lodash.js
25
lodash.js
@@ -12282,17 +12282,24 @@
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* // => 'default'
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* // => 'default'
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*/
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*/
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function result(object, path, defaultValue) {
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function result(object, path, defaultValue) {
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if (!isKey(path, object)) {
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path = isKey(path, object) ? [path] : baseCastPath(path);
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path = baseCastPath(path);
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var result = baseGet(object, path);
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var index = -1,
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object = parent(object, path);
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length = path.length;
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} else {
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result = object == null ? undefined : object[path];
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if (!length) {
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object = undefined;
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length = 1;
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}
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}
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if (result === undefined) {
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while (++index < length) {
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result = defaultValue;
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var value = object == null ? undefined : object[path[index]];
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if (value === undefined) {
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index = length;
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value = defaultValue;
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}
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object = value = isFunction(value) ? value.call(object) : value;
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}
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}
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return isFunction(result) ? result.call(object) : result;
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return value;
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}
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}
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/**
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/**
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27
test/test.js
27
test/test.js
@@ -18301,28 +18301,15 @@
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});
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});
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QUnit.test('`_.' + methodName + '` should follow `path` over non-plain objects', function(assert) {
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QUnit.test('`_.' + methodName + '` should follow `path` over non-plain objects', function(assert) {
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assert.expect(4);
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assert.expect(2);
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var object = { 'a': '' },
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var paths = ['a.b.c', ['a', 'b', 'c']];
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paths = ['constructor.prototype.a', ['constructor', 'prototype', 'a']];
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lodashStable.each(paths, function(path) {
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lodashStable.each(paths, function(path) {
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numberProto.a = 1;
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numberProto.a = { 'b': { 'c': 1 } };
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assert.strictEqual(func(0, path), 1);
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var actual = func(0, path);
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assert.strictEqual(actual, 1);
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delete numberProto.a;
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delete numberProto.a;
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});
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});
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lodashStable.each(['a.replace.b', ['a', 'replace', 'b']], function(path) {
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stringProto.replace.b = 1;
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var actual = func(object, path);
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assert.strictEqual(actual, 1);
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delete stringProto.replace.b;
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});
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});
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});
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QUnit.test('`_.' + methodName + '` should return the default value for `undefined` values', function(assert) {
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QUnit.test('`_.' + methodName + '` should return the default value for `undefined` values', function(assert) {
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@@ -18346,6 +18333,12 @@
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assert.deepEqual(actual, expected);
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assert.deepEqual(actual, expected);
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});
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});
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QUnit.test('`_.' + methodName + '` should return the default value when `path` is empty', function(assert) {
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assert.expect(1);
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assert.strictEqual(func({}, [], 'a'), 'a');
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});
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});
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});
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/*--------------------------------------------------------------------------*/
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/*--------------------------------------------------------------------------*/
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