19 lines
908 B
Markdown
19 lines
908 B
Markdown
---
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id: language-support
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title: Language Support
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---
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Prettier attempts to support all JavaScript language features,
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including non-standardized ones. By default it uses the
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[Babylon](https://github.com/babel/babylon) parser with all language
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features enabled, but you can also use the
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[Flow](https://github.com/facebook/flow) parser with the
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`parser` API or `--parser` CLI [option](options.md).
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All of JSX and Flow syntax is supported. In fact, the test suite in
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`tests/flow` *is* the entire Flow test suite and they all pass.
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Prettier also supports [TypeScript](https://www.typescriptlang.org/), CSS, [Less](http://lesscss.org/), [SCSS](http://sass-lang.com), [JSON](http://json.org/), [GraphQL](http://graphql.org/), and [Markdown](http://commonmark.org).
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The minimum version of TypeScript supported is 2.1.3 as it introduces the ability to have leading `|` for type definitions which prettier outputs.
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