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55 lines
1.6 KiB
Markdown
55 lines
1.6 KiB
Markdown
# Buffer Fill
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A [ponyfill](https://ponyfill.com) for `Buffer.fill`.
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Works as Node.js: `v6.4.0` <br>
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Works on Node.js: `v0.10.0`
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## Installation
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```sh
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npm install --save buffer-fill
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```
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## Usage
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```js
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const fill = require('buffer-fill')
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const buf = Buffer.allocUnsafe(5)
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console.log(buf.fill(8))
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//=> <Buffer 08 08 08 08 08>
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console.log(buf.fill(9, 2, 4))
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//=> <Buffer 08 08 09 09 08>
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console.log(buf.fill('linus', 'latin1'))
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//=> <Buffer 6c 69 6e 75 73>
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console.log(buf.fill('\u0222'))
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//=> <Buffer c8 a2 c8 a2 c8>
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```
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## API
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### fill(buf, value[, offset[, end]][, encoding])
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- `value` <String> | <Buffer> | <Integer> The value to fill `buf` with
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- `offset` <Integer> Where to start filling `buf`. **Default:** `0`
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- `end` <Integer> Where to stop filling `buf` (not inclusive). **Default:** `buf.length`
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- `encoding` <String> If `value` is a string, this is its encoding. **Default:** `'utf8'`
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- Return: <Buffer> A reference to `buf`
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Fills `buf` with the specified `value`. If the `offset` and `end` are not given,
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the entire `buf` will be filled. This is meant to be a small simplification to
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allow the creation and filling of a `Buffer` to be done on a single line.
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If the final write of a `fill()` operation falls on a multi-byte character, then
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only the first bytes of that character that fit into `buf` are written.
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## See also
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- [buffer-alloc-unsafe](https://github.com/LinusU/buffer-alloc-unsafe) A ponyfill for `Buffer.allocUnsafe`
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- [buffer-alloc](https://github.com/LinusU/buffer-alloc) A ponyfill for `Buffer.alloc`
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- [buffer-from](https://github.com/LinusU/buffer-from) A ponyfill for `Buffer.from`
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