34 lines
693 B
TypeScript
34 lines
693 B
TypeScript
import logger from 'log'
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const log = logger('misc')
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export function a2str(buf: Uint8Array) : string {
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return String.fromCharCode.apply(null, [...buf])
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}
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export function str2a(str: string) : Uint8Array {
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const buf = new Uint8Array(str.length)
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for (let i = 0;i < str.length;i++) {
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buf[i] = str.charCodeAt(i)
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}
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return buf
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}
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export function a2b64(buf: Uint8Array) : string {
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log.trace('a2b64')
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return btoa(a2str(buf))
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}
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export function b642a(b64: string) : Uint8Array | null {
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log.trace('b642a')
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try {
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return str2a(atob(b64))
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} catch (e) {
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log.warn('b64 decode failed')
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log.debug(`error : ${e}`)
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}
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return null
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}
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