60 lines
852 B
Markdown
60 lines
852 B
Markdown
---
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layout: docs
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title: API
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description: How to use the Node.js API.
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permalink: /docs/usage/api/
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---
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```javascript
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var to5 = require('6to5');
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```
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## to5.transform
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Transforms the passed in `code`.
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```
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to5.transform(code, [options])
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```
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**Example**
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```js
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var result = to5.transform('code();', options);
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result.code;
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result.map;
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result.ast;
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```
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## to5.transformFile
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Asynchronously transforms the entire contents of a file.
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```js
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to5.transformFile(filename, [options], callback)
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```
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**Example**
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```js
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to5.transformFile('filename.js', options, function (err, result) {
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result.code;
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});
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```
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## to5.transformFileSync
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Synchronous version of `to5.transformFile`. Returns the transformed contents of
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the `filename`.
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```js
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to5.transformFileSync(filename, [options])
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```
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**Example**
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```js
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to5.transformFileSync('filename.js', options).code;
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```
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