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Fixes #341, flattening arrays in the context of taking a union shouldn't be deep. Adding a shallow parameter to _.flatten()

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Jeremy Ashkenas
2011-10-19 15:59:53 -04:00
parent 3587febd8e
commit 4b2de2e107
2 changed files with 13 additions and 7 deletions
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14
test/arrays.js
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@@ -50,10 +50,13 @@ $(document).ready(function() {
});
test("arrays: flatten", function() {
var list = [1, [2], [3, [[[4]]]]];
equals(_.flatten(list).join(', '), '1, 2, 3, 4', 'can flatten nested arrays');
var result = (function(){ return _.flatten(arguments); })(1, [2], [3, [[[4]]]]);
equals(result.join(', '), '1, 2, 3, 4', 'works on an arguments object');
if (window.JSON) {
var list = [1, [2], [3, [[[4]]]]];
equals(JSON.stringify(_.flatten(list)), '[1,2,3,4]', 'can flatten nested arrays');
equals(JSON.stringify(_.flatten(list, true)), '[1,2,3,[[[4]]]]', 'can shallowly flatten nested arrays');
var result = (function(){ return _.flatten(arguments); })(1, [2], [3, [[[4]]]]);
equals(JSON.stringify(result), '[1,2,3,4]', 'works on an arguments object');
}
});
test("arrays: without", function() {
@@ -97,6 +100,9 @@ $(document).ready(function() {
test("arrays: union", function() {
var result = _.union([1, 2, 3], [2, 30, 1], [1, 40]);
equals(result.join(' '), '1 2 3 30 40', 'takes the union of a list of arrays');
var result = _.union([1, 2, 3], [2, 30, 1], [1, 40, [1]]);
equals(result.join(' '), '1 2 3 30 40 1', 'takes the union of a list of nested arrays');
});
test("arrays: difference", function() {