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# magic-string changelog
## 0.25.7
* fix bundle mappings after remove and move in multiple sources ([#172](https://github.com/Rich-Harris/magic-string/issues/172))
## 0.25.6
* Use bitwise operators for small performance boost ([#171](https://github.com/Rich-Harris/magic-string/pull/171))
## 0.25.5
* Use a bitset to reduce memory consumption ([#167](https://github.com/Rich-Harris/magic-string/issues/167))
## 0.25.4
* Clone `intro` and `outro` ([#162](https://github.com/Rich-Harris/magic-string/issues/162))
## 0.25.3
* Fix typing of `SourceMap.version`.
## 0.25.2
* Remove deprecated `new Buffer(...)`
* Handle characters outside Latin1 range when generating a sourcemap in browser ([#154](https://github.com/Rich-Harris/magic-string/issues/154))
## 0.25.1
* Additional types for index.d.ts ([#148](https://github.com/Rich-Harris/magic-string/pull/148))
## 0.25.0
* Add `length` method ([#145](https://github.com/Rich-Harris/magic-string/pull/145))
* Fix trimming chunks with intro/outro ([#144](https://github.com/Rich-Harris/magic-string/pull/144))
## 0.24.1
* Add `lastLine` and `lastChar` methods ([#142](https://github.com/Rich-Harris/magic-string/pull/142))
## 0.24.0
* Add `isEmpty` methods ([#137](https://github.com/Rich-Harris/magic-string/pull/137))
* Fix a potential race condition ([#136](https://github.com/Rich-Harris/magic-string/pull/136))
* Fix CJS/ES bundles inlining `sourcemap-codec` in 0.23.2.
## 0.23.2
* Add `generateDecodedMap` methods ([#134](https://github.com/Rich-Harris/magic-string/pull/134))
## 0.23.1
* Performance ([#132](https://github.com/Rich-Harris/magic-string/pull/132))
## 0.23.0
* Use `sourcemap-codec` for improved performance ([#133](https://github.com/Rich-Harris/magic-string/pull/133))
## 0.22.5
* Add TypeScript interfaces used by rollup ([#131](https://github.com/Rich-Harris/magic-string/pull/131))
* Remove src directory from npm package
## 0.22.4
* `contentOnly` and `storeName` are both optional
## 0.22.3
* Add `original` to TS definitions
## 0.22.2
* Avoid `declare module` ([#127](https://github.com/Rich-Harris/magic-string/pull/127))
## 0.22.1
* Update TypeScript definitions ([#124](https://github.com/Rich-Harris/magic-string/pull/124))
## 0.22.0
* Prevent `overwrite` state corruption ([#115](https://github.com/Rich-Harris/magic-string/issues/115))
* Various bugfixes ([#126](https://github.com/Rich-Harris/magic-string/pull/126))
## 0.21.3
* Clone `indentExclusionRanges` correctly ([#122](https://github.com/Rich-Harris/magic-string/pull/122))
* Fix more typings ([#122](https://github.com/Rich-Harris/magic-string/pull/122))
## 0.21.2
* Add `default` property referencing self in index-legacy.js, to work around TypeScript bug ([#121](https://github.com/Rich-Harris/magic-string/pull/121))
## 0.21.1
* Add typings file to package
## 0.21.0
* Add TypeScript bindings ([#119](https://github.com/Rich-Harris/magic-string/pull/119))
## 0.20.0
* The fourth argument to `overwrite` is a `{storeName, contentOnly}` options object. `storeName: true` is equivalent to `true` before. `contentOnly` will preserve existing appends/prepends to the chunk in question
## 0.19.1
* Prevent overwrites across a split point (i.e. following a `move`)
* Implement `remove` separately to `overwrite`
## 0.19.0
* More accurate bundle sourcemaps ([#114](https://github.com/Rich-Harris/magic-string/pull/114))
## 0.18.0
* Optimisation remove empty chunks following `overwrite` or `remove` ([#113](https://github.com/Rich-Harris/magic-string/pull/113))
## 0.17.0
* Add `appendLeft`, `appendRight`, `prependLeft`, `prependRight` methods ([#109](https://github.com/Rich-Harris/magic-string/issues/109))
* `insertLeft` and `insertRight` are deprecated in favour of `appendLeft` and `prependRight` respectively
## 0.16.0
* Include inserts in range for `overwrite` and `remove` operations ([#89](https://github.com/Rich-Harris/magic-string/pull/89))
* Make options optional for `bundle.generateMap(...)` ([#73](https://github.com/Rich-Harris/magic-string/pull/73))
## 0.15.2
* Generate correct bundle sourcemap with prepended/appended content
## 0.15.1
* Minor sourcemap fixes
## 0.15.0
* Use named export of `Bundle` in ES build, so ES consumers of magic-string can tree-shake it out
## 0.14.0
* Throw if overwrite of zero-length range is attempted
* Correctly handle redundant move operations
## 0.13.1
* Fix a bevy of `s.slice()` issues ([#62](https://github.com/Rich-Harris/magic-string/pull/62))
## 0.13.0
* Breaking: `insertAfter` is now `insertLeft`, `insertBefore` is now `insertRight`
* Breaking: `insert` is no longer available. Use `insertLeft` and `insertRight`
* Significant performance improvements
## 0.12.1
* Fix sourcemap generation with `insertAfter` and `insertBefore`
## 0.12.0
* Add `insertAfter` and `insertBefore` methods
## 0.11.4
* Fix two regression bugs with `trim()`
* More informative error message on illegal removals
## 0.11.3
* Fix trim methods to ensure correct sourcemaps with trimmed content ([#53](https://github.com/Rich-Harris/magic-string/pull/53))
## 0.11.2
* Support sourcemaps with moved content
## 0.11.1
* Use `findIndex` helper for 0.12 support
## 0.11.0
* Add experimental `move()` method
* Refactor internals to support `move()`
## 0.10.2
* Do not overwrite inserts at the end of patched ranges ([#35](https://github.com/Rich-Harris/magic-string/pull/35))
## 0.10.1
* Zero-length inserts are not removed on adjacent overwrites
## 0.10.0
* Complete rewrite, resulting in ~40x speed increase ([#30](https://github.com/Rich-Harris/magic-string/pull/30))
* Breaking `magicString.locate` and `locateOrigin` are deprecated
* More forgiving rules about contiguous patches, and which ranges are valid with `magicString.slice(...)`
## 0.9.1
* Update deps
## 0.9.0
* Update build process
## 0.8.0
* Add an ES6 build, change default UMD build to CommonJS (but keeping existing UMD build with bundled dependencies)
* Make properties non-enumerable, for cleaner logging
* Update dependencies
## 0.7.0
* The `names` array is populated when generating sourcemaps, and mappings include name indices where appropriate ([#16](https://github.com/Rich-Harris/magic-string/issues/16))
* Replaced content is mapped correctly in sourcemaps ([#15](https://github.com/Rich-Harris/magic-string/issues/15))
## 0.6.6
* Adjust mappings correctly when removing replaced content
* Error correctly when removed characters are used as slice anchors
## 0.6.5
* Fix `jsnext:main` in package.json
## 0.6.4
* Fix bug with positive integer coercion
## 0.6.3
* Intro content is correctly indented
* Content following an intro with trailing newline is correctly indented
## 0.6.2
* Noop indents are still chainable (fixes bug introduced in 0.6.1)
## 0.6.1
* Indenting with an empty string is a noop
## 0.6.0
* Use rollup for bundling, instead of esperanto
## 0.5.3
* Correct sourcemap generation with bundles containing varied separators
* `s.clone()` clones indent exclusion ranges and sourcemap locations
## 0.5.2
* `s.slice()` accepts negative numbers, and the second argument can be omitted (means 'original string length'), just like `String.prototype.slice`
* More informative error message when trying to overwrite content illegally
## 0.5.1
* Allow bundle separator to be the empty string
* Indenting is handled correctly with empty string separator
## 0.5.0
* `s.replace()` is deprecated in favour of `s.overwrite()` (identical signature)
* `bundle.addSource()` can take a `MagicString` instance as its sole argument, for convenience
* The `options` in `new MagicString(str, options)` can include `filename` and `indentExclusionRanges` options, which will be used when bundling
* New method: `s.snip( start, end )`
## 0.4.9
* `file` option is optional when generating a bundle sourcemap
## 0.4.7
* Repeated insertions at position 0 behave the same as other positions ([#10](https://github.com/Rich-Harris/magic-string/pull/10))
## 0.4.6
* Overlapping ranges can be removed
* Non-string content is rejected ([#9](https://github.com/Rich-Harris/magic-string/pull/9))
## 0.4.5
* Implement `source.addSourcemapLocation()`
## 0.4.4
* Another Windows fix, this time for file paths when bundling
## 0.4.3
* Handle Windows-style CRLF newlines when determining whether a line is empty
## 0.4.2
* Fix typo in package.json (d'oh again)
* Use only relative paths for internal modules - makes bundling with dependents (i.e. esperanto) possible
## 0.4.1
* Includes correct files in npm package (d'oh)
## 0.4.0
* Using experimental Esperanto feature ([esperantojs/esperanto#68](https://github.com/esperantojs/esperanto/issues/68)) to generate version with `vlq` dependency included
## 0.3.1
* Fixes a bug whereby multiple insertions at the same location would cause text to repeat ([#5](https://github.com/Rich-Harris/magic-string/issues/5))
## 0.3.0
* Breaking change - `source.indentStr` is `null` if no lines are indented. Use `source.getIndentString()` for the old behaviour (guess, and if no lines are indented, return `\t`)
* `bundle.getIndentString()` ignores sources with no indented lines when guessing indentation ([#3](https://github.com/Rich-Harris/magic-string/issues/3))
## 0.2.7
* `source.trimLines()` removes empty lines from start/end of source, leaving other whitespace untouched
* Indentation is not added to an empty source
## 0.2.6
* Performance improvement - adjustments are only made when necessary
## 0.2.5
* Single spaces are ignored when guessing indentation - experience shows these are more likely to be e.g. JSDoc comments than actual indentation
* `bundle.addSource()` can take an `indentExclusionRanges` option
## 0.2.4
* Empty lines are not indented
## 0.2.3
* Fixes edge case with bundle sourcemaps
## 0.2.2
* Make `sources` paths in sourcemaps relative to `options.file`
## 0.2.1
* Minor fix for `bundle.indent()`
## 0.2.0
* Implement `MagicString.Bundle` for concatenating magic strings
## 0.1.10
* Fix sourcemap encoding
## 0.1.9
* Better performance when indenting large chunks of code
## 0.1.8
* Sourcemaps generated with `s.generateMap()` have a `toUrl()` method that generates a DataURI
## 0.1.7
* Implement `s.insert( index, content )` - roughly equivalent to `s.replace( index, index, content )`
## 0.1.6
* Version bump for npm's benefit
## 0.1.5
* `s.indent({ exclude: [ x, y ] })` prevents lines between (original) characters `x` and `y` from being indented. Multiple exclusion ranges are also supported (e.g. `exclude: [[a, b], [c, d]]`)
## 0.1.4
* `s.locate()` doesn't throw out-of-bound error if index is equal to original string's length
## 0.1.3
* `s.trim()` returns `this` (i.e. is chainable)
## 0.1.2
* Implement `s.slice()`
## 0.1.1
* Implement `s.trim()`
## 0.1.0
* First release