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151 lines
4.4 KiB
151 lines
4.4 KiB
### Version 4.0.0 (2018-01-28) ### |
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- Added: Support for ES2018. The only change needed was recognizing the `s` |
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regex flag. |
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- Changed: _All_ tokens returned by the `matchToToken` function now have a |
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`closed` property. It is set to `undefined` for the tokens where “closed” |
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doesn’t make sense. This means that all tokens objects have the same shape, |
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which might improve performance. |
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These are the breaking changes: |
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- `'/a/s'.match(jsTokens)` no longer returns `['/', 'a', '/', 's']`, but |
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`['/a/s']`. (There are of course other variations of this.) |
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- Code that rely on some token objects not having the `closed` property could |
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now behave differently. |
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### Version 3.0.2 (2017-06-28) ### |
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- No code changes. Just updates to the readme. |
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### Version 3.0.1 (2017-01-30) ### |
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- Fixed: ES2015 unicode escapes with more than 6 hex digits are now matched |
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correctly. |
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### Version 3.0.0 (2017-01-11) ### |
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This release contains one breaking change, that should [improve performance in |
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V8][v8-perf]: |
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> So how can you, as a JavaScript developer, ensure that your RegExps are fast? |
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> If you are not interested in hooking into RegExp internals, make sure that |
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> neither the RegExp instance, nor its prototype is modified in order to get the |
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> best performance: |
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> |
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> ```js |
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> var re = /./g; |
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> re.exec(''); // Fast path. |
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> re.new_property = 'slow'; |
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> ``` |
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This module used to export a single regex, with `.matchToToken` bolted |
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on, just like in the above example. This release changes the exports of |
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the module to avoid this issue. |
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Before: |
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```js |
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import jsTokens from "js-tokens" |
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// or: |
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var jsTokens = require("js-tokens") |
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var matchToToken = jsTokens.matchToToken |
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``` |
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After: |
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```js |
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import jsTokens, {matchToToken} from "js-tokens" |
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// or: |
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var jsTokens = require("js-tokens").default |
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var matchToToken = require("js-tokens").matchToToken |
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``` |
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[v8-perf]: http://v8project.blogspot.se/2017/01/speeding-up-v8-regular-expressions.html |
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### Version 2.0.0 (2016-06-19) ### |
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- Added: Support for ES2016. In other words, support for the `**` exponentiation |
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operator. |
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These are the breaking changes: |
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- `'**'.match(jsTokens)` no longer returns `['*', '*']`, but `['**']`. |
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- `'**='.match(jsTokens)` no longer returns `['*', '*=']`, but `['**=']`. |
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### Version 1.0.3 (2016-03-27) ### |
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- Improved: Made the regex ever so slightly smaller. |
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- Updated: The readme. |
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### Version 1.0.2 (2015-10-18) ### |
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- Improved: Limited npm package contents for a smaller download. Thanks to |
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@zertosh! |
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### Version 1.0.1 (2015-06-20) ### |
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- Fixed: Declared an undeclared variable. |
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### Version 1.0.0 (2015-02-26) ### |
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- Changed: Merged the 'operator' and 'punctuation' types into 'punctuator'. That |
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type is now equivalent to the Punctuator token in the ECMAScript |
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specification. (Backwards-incompatible change.) |
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- Fixed: A `-` followed by a number is now correctly matched as a punctuator |
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followed by a number. It used to be matched as just a number, but there is no |
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such thing as negative number literals. (Possibly backwards-incompatible |
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change.) |
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### Version 0.4.1 (2015-02-21) ### |
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- Added: Support for the regex `u` flag. |
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### Version 0.4.0 (2015-02-21) ### |
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- Improved: `jsTokens.matchToToken` performance. |
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- Added: Support for octal and binary number literals. |
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- Added: Support for template strings. |
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### Version 0.3.1 (2015-01-06) ### |
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- Fixed: Support for unicode spaces. They used to be allowed in names (which is |
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very confusing), and some unicode newlines were wrongly allowed in strings and |
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regexes. |
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### Version 0.3.0 (2014-12-19) ### |
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- Changed: The `jsTokens.names` array has been replaced with the |
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`jsTokens.matchToToken` function. The capturing groups of `jsTokens` are no |
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longer part of the public API; instead use said function. See this [gist] for |
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an example. (Backwards-incompatible change.) |
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- Changed: The empty string is now considered an “invalid” token, instead an |
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“empty” token (its own group). (Backwards-incompatible change.) |
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- Removed: component support. (Backwards-incompatible change.) |
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[gist]: https://gist.github.com/lydell/be49dbf80c382c473004 |
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### Version 0.2.0 (2014-06-19) ### |
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- Changed: Match ES6 function arrows (`=>`) as an operator, instead of its own |
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category (“functionArrow”), for simplicity. (Backwards-incompatible change.) |
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- Added: ES6 splats (`...`) are now matched as an operator (instead of three |
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punctuations). (Backwards-incompatible change.) |
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### Version 0.1.0 (2014-03-08) ### |
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- Initial release.
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