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Merge pull request #1949 from isiahmeadows/optimize-events

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Optimize events, support objects with `handleEvent`
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Isiah Meadows 2017-09-17 20:38:08 -04:00 • committed by GitHub
commit 98933b8bc1
4 changed files with 232 additions and 25 deletions
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docs/change-log.md
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# Change log
- [v2.0.0](#v113)
- [v2.0.0](#v200-wip)
- [v1.1.4](#v113)
- [v1.1.3](#v113)
- [v1.1.2](#v112)
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#### News
- API: Introduction of `m.redraw.sync()` ([#1592](https://github.com/MithrilJS/mithril.js/pull/1592))
- API: Event handlers may also be objects with `handleEvent` methods ([#1939](https://github.com/MithrilJS/mithril.js/issues/1939)).
#### Ospec improvements:
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- API: `m.route.set()` causes all mount points to be redrawn ([#1592](https://github.com/MithrilJS/mithril.js/pull/1592))
- API: If a user sets the Content-Type header within a request's options, that value will be the entire header value rather than being appended to the default value ([#1924](https://github.com/MithrilJS/mithril.js/pull/1924))
- API: Using style objects in hyperscript calls will now properly diff style properties from one render to another as opposed to re-writing all element style properties every render.
- core: `addEventListener` and `removeEventListener` are always used to manage event subscriptions, preventing external interference.
- core: Event listeners allocate less memory, swap at low cost, and are properly diffed now when rendered via `m.mount()`/`m.redraw()`.
- core: `Object.prototype` properties can no longer interfere with event listener calls.
- API: Event handlers, when set to literally `undefined` (or any non-function), are now correctly removed.
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