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denoland-deno/docs/tools/formatter.md

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2020-05-06 18:21:13 -04:00
## Code formatter
Deno ships with a built in code formatter that auto-formats TypeScript and
JavaScript code.
```shell
# format all JS/TS files in the current directory and subdirectories
deno fmt
# format specific files
deno fmt myfile1.ts myfile2.ts
# check if all the JS/TS files in the current directory and subdirectories are formatted
deno fmt --check
# format stdin and write to stdout
cat file.ts | deno fmt -
```
Ignore formatting code by preceding it with a `// deno-fmt-ignore` comment:
```ts
// deno-fmt-ignore
export const identity = [
1, 0, 0,
0, 1, 0,
0, 0, 1,
];
```
Or ignore an entire file by adding a `// deno-fmt-ignore-file` comment at the
top of the file.