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1
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# 3.1.0 (2020-01-08)
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2
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3
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`events` now matches the Node.js 11.12.0 API.
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5
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- pass through return value in wrapped `emitter.once()` listeners
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6
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Now, this works:
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8
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```js
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emitter.once('myevent', function () { return 1; });
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var listener = emitter.rawListeners('myevent')[0]
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assert(listener() === 1);
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```
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Previously, `listener()` would return undefined regardless of the implementation.
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14
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Ported from https://github.com/nodejs/node/commit/acc506c2d2771dab8d7bba6d3452bc5180dff7cf
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16
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17
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- Reduce code duplication in listener type check ([#67](https://github.com/Gozala/events/pull/67) by [@friederbluemle](https://github.com/friederbluemle)).
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18
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- Improve `emitter.once()` performance in some engines
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19
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20
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# 3.0.0 (2018-05-25)
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21
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22
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**This version drops support for IE8.** `events` no longer includes polyfills
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for ES5 features. If you need to support older environments, use an ES5 shim
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like [es5-shim](https://npmjs.com/package/es5-shim). Both the shim and sham
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25
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versions of es5-shim are necessary.
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26
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27
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- Update to events code from Node.js 10.x
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28
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- (semver major) Adds `off()` method
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29
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- Port more tests from Node.js
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30
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- Switch browser tests to airtap, making things more reliable
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31
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32
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# 2.1.0 (2018-05-25)
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33
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34
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- add Emitter#rawListeners from Node.js v9.4
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35
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36
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# 2.0.0 (2018-02-02)
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37
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38
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- Update to events code from node.js 8.x
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39
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- Adds `prependListener()` and `prependOnceListener()`
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40
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- Adds `eventNames()` method
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41
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- (semver major) Unwrap `once()` listeners in `listeners()`
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42
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- copy tests from node.js
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43
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44
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Note that this version doubles the gzipped size, jumping from 1.1KB to 2.1KB,
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45
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due to new methods and runtime performance improvements. Be aware of that when
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46
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upgrading.
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47
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48
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# 1.1.1 (2016-06-22)
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49
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50
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- add more context to errors if they are not instanceof Error
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51
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52
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# 1.1.0 (2015-09-29)
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53
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54
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- add Emitter#listerCount (to match node v4 api)
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55
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56
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# 1.0.2 (2014-08-28)
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57
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58
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- remove un-reachable code
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59
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- update devDeps
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60
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61
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## 1.0.1 / 2014-05-11
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62
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63
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- check for console.trace before using it
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64
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65
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## 1.0.0 / 2013-12-10
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66
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67
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- Update to latest events code from node.js 0.10
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68
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- copy tests from node.js
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69
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70
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## 0.4.0 / 2011-07-03 ##
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71
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72
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- Switching to graphquire@0.8.0
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73
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74
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## 0.3.0 / 2011-07-03 ##
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75
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76
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- Switching to URL based module require.
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77
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78
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## 0.2.0 / 2011-06-10 ##
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79
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80
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- Simplified package structure.
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81
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- Graphquire for dependency management.
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82
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83
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## 0.1.1 / 2011-05-16 ##
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84
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85
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- Unhandled errors are logged via console.error
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86
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87
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## 0.1.0 / 2011-04-22 ##
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88
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89
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- Initial release
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