27 lines
930 B
TypeScript
27 lines
930 B
TypeScript
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import { asUint8Array } from './util/as-uint8array.js'
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import bases, { type SupportedEncodings } from './util/bases.js'
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export type { SupportedEncodings }
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/**
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* Create a `Uint8Array` from the passed string
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*
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* Supports `utf8`, `utf-8`, `hex`, and any encoding supported by the multiformats module.
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*
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* Also `ascii` which is similar to node's 'binary' encoding.
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*/
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export function fromString (string: string, encoding: SupportedEncodings = 'utf8'): Uint8Array {
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const base = bases[encoding]
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if (base == null) {
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throw new Error(`Unsupported encoding "${encoding}"`)
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}
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if ((encoding === 'utf8' || encoding === 'utf-8') && globalThis.Buffer != null && globalThis.Buffer.from != null) {
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return asUint8Array(globalThis.Buffer.from(string, 'utf-8'))
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}
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// add multibase prefix
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return base.decoder.decode(`${base.prefix}${string}`) // eslint-disable-line @typescript-eslint/restrict-template-expressions
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}
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