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Allow _.omit and _.pick to work as a callback for _.map when combined with _.partialRight.

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This commit is contained in:
John-David Dalton
2014-02-04 00:35:14 -08:00
parent 143e9bd210
commit 201d17bc31
8 changed files with 237 additions and 152 deletions
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56
test/test.js
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@@ -717,7 +717,7 @@
deepEqual(actual, [1, 3]);
});
test('should work when used as `callback` for `_.map`', 1, function() {
test('should work when used as a callback for `_.map`', 1, function() {
var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
actual = _.map(array, _.at);
@@ -1132,7 +1132,7 @@
ok(actual != expected && actual[0] === expected[0]);
});
test('`_.clone` should perform a shallow clone when used as `callback` for `_.map`', 1, function() {
test('`_.clone` should perform a shallow clone when used as a callback for `_.map`', 1, function() {
var expected = [{ 'a': [0] }, { 'b': [1] }],
actual = _.map(expected, _.clone);
@@ -2220,7 +2220,7 @@
deepEqual(func({}, new Foo), {});
});
test('should work when used as `callback` for `_.reduce`', 1, function() {
test('should work when used as a callback for `_.reduce`', 1, function() {
var array = [{ 'a': 1 }, { 'b': 2 }, { 'c': 3 }],
actual = _.reduce(array, _.merge);
@@ -2423,7 +2423,7 @@
strictEqual(_.first([]), undefined);
});
test('should work when used as `callback` for `_.map`', 1, function() {
test('should work when used as a callback for `_.map`', 1, function() {
var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
actual = _.map(array, _.first);
@@ -2554,7 +2554,7 @@
deepEqual(_.flatten(array, 'a'), [1, 2, 3]);
});
test('should perform a deep flatten when used as `callback` for `_.map`', 1, function() {
test('should perform a deep flatten when used as a callback for `_.map`', 1, function() {
var array = [[[['a']]], [[['b']]]],
actual = _.map(array, _.flatten);
@@ -3410,7 +3410,7 @@
});
});
test('should work when used as `callback` for `_.map`', 1, function() {
test('should work when used as a callback for `_.map`', 1, function() {
var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
actual = _.map(array, _.initial);
@@ -4226,7 +4226,7 @@
strictEqual(actual, false);
});
test('should work when used as `callback` for `_.every`', 1, function() {
test('should work when used as a callback for `_.every`', 1, function() {
var actual = _.every([1, 1, 1], _.partial(_.isEqual, 1));
ok(actual);
});
@@ -4943,7 +4943,7 @@
strictEqual(_.last([]), undefined);
});
test('should work when used as `callback` for `_.map`', 1, function() {
test('should work when used as a callback for `_.map`', 1, function() {
var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
actual = _.map(array, _.last);
@@ -5549,7 +5549,7 @@
equal(actual, methodName == 'max' ? 1 : 3);
});
test('`_.' + methodName + '` should work when used as `callback` for `_.map`', 1, function() {
test('`_.' + methodName + '` should work when used as a callback for `_.map`', 1, function() {
var array = [[2, 3, 1], [5, 6, 4], [8, 9, 7]],
actual = _.map(array, func);
@@ -5803,6 +5803,22 @@
deepEqual(actual, expected);
});
test('should coerce property names to strings', 1, function() {
deepEqual(_.omit({ '0': 'a' }, 0), {});
});
test('should work when used as a callback for `_.map`', 2, function() {
var callback = _.partialRight(_.omit, 'a'),
objects = [{ '0': 0, 'a': 0 }, { '1': 1, 'a': 1 }],
actual = _.map(objects, callback),
expected = [{ '0': 0 }, { '1': 1 }];
deepEqual(actual, expected);
actual = _.map({ '0': objects[0], '1': objects[1] }, callback);
deepEqual(actual, expected);
});
}('a', 'c'));
/*--------------------------------------------------------------------------*/
@@ -6153,6 +6169,22 @@
deepEqual(actual, expected);
});
test('should coerce property names to strings', 1, function() {
deepEqual(_.pick({ '0': 'a', '1': 'b' }, 0), { '0': 'a' });
});
test('should work when used as a callback for `_.map`', 2, function() {
var callback = _.partialRight(_.pick, 'a'),
objects = [{ '0': 0, 'a': 0 }, { '1': 1, 'a': 1 }],
actual = _.map(objects, callback),
expected = [{ 'a': 0 }, { 'a': 1 }];
deepEqual(actual, expected);
actual = _.map({ '0': objects[0], '1': objects[1] }, callback);
deepEqual(actual, expected);
});
}('a', 'c'));
/*--------------------------------------------------------------------------*/
@@ -6741,7 +6773,7 @@
deepEqual(_.rest([]), []);
});
test('should work when used as `callback` for `_.map`', 1, function() {
test('should work when used as a callback for `_.map`', 1, function() {
var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
actual = _.map(array, _.rest);
@@ -6875,7 +6907,7 @@
ok(actual[0] !== actual[1] && _.contains(array, actual[0]) && _.contains(array, actual[1]));
});
test('should work when used as `callback` for `_.map`', 1, function() {
test('should work when used as a callback for `_.map`', 1, function() {
var a = [1, 2, 3],
b = [4, 5, 6],
c = [7, 8, 9],
@@ -8328,7 +8360,7 @@
deepEqual(actual, [1, 2, 3]);
});
test('should perform an unsorted uniq operation when used as `callback` for `_.map`', 1, function() {
test('should perform an unsorted uniq operation when used as a callback for `_.map`', 1, function() {
var array = [[2, 1, 2], [1, 2, 1]],
actual = _.map(array, _.uniq);