Dispatch patches with converted items on push/unshift/splice #73
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phillipskevin
approved these changes
Nov 15, 2019
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The fix looks good. It would be good to test all of the cases like we are in https://github.com/canjs/can-observable-array/blob/master/test/array-test.js#L340.
6 tasks
…le-array into convert-patch-inserts
| @@ -133,4 +134,62 @@ module.exports = function() { | |||
| arr[0] = { num: 6 }; | |||
| assert.ok(arr[0] instanceof MyObject, "Converts on an index setter"); | |||
| }); | |||
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| QUnit.test("patches dispatched with converted members", function (assert) { | |||
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Do we still need this test?
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I liked the other test 😢
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Before this PR, patches events were being dispatched with the data being added into the array pre-conversion. So if the observable array has
static get items()defined, it will correctly push converted items into the array, but dispatch a patch with the original objects instead.Because can-view-live uses the data in patches to keep list items in sync, this was causing issues with live binding.
This PR converts items to be added into the array in the mutation method shim, a pull up from the handlers for each individual array method, and now at the same level where the patches dispatch is being ordered. This ensures that any patch listener has the same data as the array itself.