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Add _.updateWith fp support.

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This commit is contained in:
John-David Dalton
2016-02-28 12:16:21 -08:00
parent fab50ec384
commit eabe95c4e3
2 changed files with 37 additions and 14 deletions
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42
test/test-fp.js
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@@ -563,7 +563,7 @@
deepObject = { 'a': { 'b': 2, 'c': 3 } };
QUnit.test('should not mutate values', function(assert) {
assert.expect(40);
assert.expect(42);
function Foo() {}
Foo.prototype = { 'b': 2 };
@@ -697,10 +697,16 @@
assert.deepEqual(actual, { 'a': { 'c': 3 } }, 'fp.unset');
value = _.cloneDeep(deepObject);
actual = fp.update('a.b')(function(x) { return x + 1; })(value);
actual = fp.update('a.b')(function(n) { return n * n; })(value);
assert.deepEqual(value, deepObject, 'fp.update');
assert.deepEqual(actual, { 'a': { 'b': 3, 'c': 3 } }, 'fp.update');
assert.deepEqual(actual, { 'a': { 'b': 4, 'c': 3 } }, 'fp.update');
value = _.cloneDeep(deepObject);
actual = fp.updateWith(Object)('d.e')(_.constant(4))(value);
assert.deepEqual(value, deepObject, 'fp.updateWith');
assert.deepEqual(actual, { 'a': { 'b': 2, 'c': 3 }, 'd': { 'e': 4 } }, 'fp.updateWith');
});
}());
@@ -748,7 +754,7 @@
deepObject = { 'a': { 'b': 2, 'c': 3 } };
QUnit.test('should only clone objects in `path`', function(assert) {
assert.expect(9);
assert.expect(11);
var object = { 'a': { 'b': { 'c': 1 }, 'd': { 'e': 1 } } },
value = _.cloneDeep(object),
@@ -761,10 +767,9 @@
assert.strictEqual(actual.d, value.d, 'fp.set');
value = _.cloneDeep(object);
actual = fp.setWith(Object)('a.b.c')(2)(value);
actual = fp.setWith(Object)('[0][1]')('a')(value);
assert.strictEqual(actual.a.b.c, 2, 'fp.setWith');
assert.strictEqual(actual.d, value.d, 'fp.setWith');
assert.deepEqual(actual[0], { '1': 'a' }, 'fp.setWith');
value = _.cloneDeep(object);
actual = fp.unset('a.b')(value);
@@ -772,9 +777,17 @@
assert.notOk('b' in actual, 'fp.unset');
assert.strictEqual(actual.d, value.d, 'fp.unset');
value = _.cloneDeep(object);
actual = fp.update('a.b', function(x) { return { 'c2': 2 }; }, value);
value = _.cloneDeep(deepObject);
actual = fp.update('a.b')(function(n) { return n * n; })(value);
assert.strictEqual(actual.a.b, 4, 'fp.update');
assert.strictEqual(actual.d, value.d, 'fp.update');
value = _.cloneDeep(deepObject);
actual = fp.updateWith(Object)('[0][1]')(_.constant('a'))(value);
assert.deepEqual(actual[0], { '1': 'a' }, 'fp.updateWith');
assert.strictEqual(actual.d, value.d, 'fp.updateWith');
});
}());
@@ -787,7 +800,7 @@
object = { 'a': 1 };
QUnit.test('should provide the correct `customizer` arguments', function(assert) {
assert.expect(4);
assert.expect(5);
var args,
value = _.clone(object);
@@ -828,6 +841,15 @@
})('b.c')(2)(value);
assert.deepEqual(args, [undefined, 'b', { 'a': 1 }], 'fp.setWith');
args = undefined;
value = _.clone(object);
fp.updateWith(function() {
args || (args = _.map(arguments, _.cloneDeep));
})('b.c')(_.constant(2))(value);
assert.deepEqual(args, [undefined, 'b', { 'a': 1 }], 'fp.updateWith');
});
}());