75 lines
3.5 KiB
Markdown
75 lines
3.5 KiB
Markdown
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# Changelog
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## v4.1.2
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- The hotfix was hotfixed
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## v4.1.1
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- Fixed a bug where toplevel scopes were being mixed up with lambda scopes
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## v4.1.0
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- Internal functions were replaced by `Object.assign`, `Array.prototype.some`, `Array.prototype.find` and `Array.prototype.every`.
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- A serious issue where some ESM-native code was broken was fixed.
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- Performance improvements were made.
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- Support for BigInt was added.
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- Inline efficiency was improved. Functions are now being inlined more proactively instead of being inlined only after another Compressor pass.
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## v4.0.2
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(Hotfix release. Reverts unmapped segments PR [#342](https://github.com/terser-js/terser/pull/342), which will be put back on Terser when the upstream issue is resolved)
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## v4.0.1
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- Collisions between the arguments of inlined functions and names in the outer scope are now being avoided while inlining
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- Unmapped segments are now preserved when compressing a file which has source maps
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- Default values of functions are now correctly converted from Mozilla AST to Terser AST
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- JSON ⊂ ECMAScript spec (if you don't know what this is you don't need to)
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- Export AST_* classes to library users
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- Fixed issue with `collapse_vars` when functions are created with the same name as a variable which already exists
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- Added `MutationObserverInit` (Object with options for initialising a mutation observer) properties to the DOM property list
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- Custom `Error` subclasses are now internally used instead of old-school Error inheritance hacks.
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- Documentation fixes
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- Performance optimizations
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## v4.0.0
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- **breaking change**: The `variables` property of all scopes has become a standard JavaScript `Map` as opposed to the old bespoke `Dictionary` object.
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- Typescript definitions were fixed
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- `terser --help` was fixed
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- The public interface was cleaned up
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- Fixed optimisation of `Array` and `new Array`
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- Added the `keep_quoted=strict` mode to mangle_props, which behaves more like Google Closure Compiler by mangling all unquoted property names, instead of reserving quoted property names automatically.
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- Fixed parent functions' parameters being shadowed in some cases
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- Allowed Terser to run in a situation where there are custom functions attached to Object.prototype
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- And more bug fixes, optimisations and internal changes
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## v3.17.0
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- More DOM properties added to --mangle-properties's DOM property list
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- Closed issue where if 2 functions had the same argument name, Terser would not inline them together properly
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- Fixed issue with `hasOwnProperty.call`
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- You can now list files to minify in a Terser config file
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- Started replacing `new Array(<number>)` with an array literal
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- Started using ES6 capabilities like `Set` and the `includes` method for strings and arrays
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## v3.16.1
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- Fixed issue where Terser being imported with `import` would cause it not to work due to the `__esModule` property. (PR #254 was submitted, which was nice, but since it wasn't a pure commonJS approach I decided to go with my own solution)
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## v3.16.0
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- No longer leaves names like Array or Object or window as a SimpleStatement (statement which is just a single expression).
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- Add support for sections sourcemaps (IndexedSourceMapConsumer)
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- Drops node.js v4 and starts using commonJS
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- Is now built with rollup
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## v3.15.0
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- Inlined spread syntax (`[...[1, 2, 3], 4, 5] => [1, 2, 3, 4, 5]`) in arrays and objects.
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- Fixed typo in compressor warning
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- Fixed inline source map input bug
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- Fixed parsing of template literals with unnecessary escapes (Like `\\a`)
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