50 lines
2.1 KiB
TypeScript
50 lines
2.1 KiB
TypeScript
// Type definitions for varint 5.0
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// Project: https://github.com/chrisdickinson/varint#readme
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// Definitions by: David Brockman Smoliansky <https://github.com/dbrockman>
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// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
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interface Varint {
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encode: {
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/**
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* Encodes `num` into `buffer` starting at `offset`. returns `buffer`, with the encoded varint written into it.
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* `varint.encode.bytes` will now be set to the number of bytes modified.
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*/
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(num: number, buffer: Uint8Array, offset?: number): Buffer;
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/**
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* Encodes `num` into `array` starting at `offset`. returns `array`, with the encoded varint written into it.
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* If `array` is not provided, it will default to a new array.
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* `varint.encode.bytes` will now be set to the number of bytes modified.
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*/
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(num: number, array?: number[], offset?: number): number[]
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/**
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* Similar to `decode.bytes` when encoding a number it can be useful to know how many bytes where written (especially if you pass an output array).
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* You can access this via `varint.encode.bytes` which holds the number of bytes written in the last encode.
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*/
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bytes: number
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},
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decode: {
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/**
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* Decodes `data`, which can be either a buffer or array of integers, from position `offset` or default 0 and returns the decoded original integer.
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* Throws a `RangeError` when `data` does not represent a valid encoding.
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*/
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(buf: Uint8Array | number[], offset?: number): number
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/**
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* If you also require the length (number of bytes) that were required to decode the integer you can access it via `varint.decode.bytes`.
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* This is an integer property that will tell you the number of bytes that the last .decode() call had to use to decode.
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*/
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bytes: number
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},
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/**
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* returns the number of bytes this number will be encoded as, up to a maximum of 8.
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*/
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encodingLength(num: number): number
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}
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declare const varint:Varint
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export default varint
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