Marc Mintel
5397309103
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29 lines
844 B
Plaintext
29 lines
844 B
Plaintext
# utf8-byte-length [](http://travis-ci.org/parshap/utf8-byte-length)
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Get the utf8 byte length of a string, taking into account multi-byte
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characters and surrogate pairs.
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By default, this module defers to `Buffer.byteLength`. A browser
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implementation is also provided that doesn't use `Buffer.byteLength`
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minimize build size.
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## Example
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```js
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var getLength = require("utf8-byte-length")
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console.log(truncate("a☃", 2)) // a = 1 byte, ☃ = 3 bytes
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// -> 4
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```
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## API
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### `var getLength = require("utf8-byte-length")`
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*When using browserify or webpack*, this automatically resolves to an
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implementation that does not use `Buffer.byteLength`.
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### `getLength(string)`
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Returns the byte length of `string`. Throws an error if `string` is not
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a string.
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