0byt3m1n1
Path:
C:
/
Program Files
/
RStudio
/
resources
/
app
/
bin
/
quarto
/
bin
/
vendor
/
deno-land
/
std@0-93-0
/
io
/
[
Home
]
File: writers.ts
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. type Writer = Deno.Writer; type WriterSync = Deno.WriterSync; const decoder = new TextDecoder(); /** Writer utility for buffering string chunks */ export class StringWriter implements Writer, WriterSync { private chunks: Uint8Array[] = []; private byteLength = 0; private cache: string | undefined; constructor(private base: string = "") { const c = new TextEncoder().encode(base); this.chunks.push(c); this.byteLength += c.byteLength; } write(p: Uint8Array): Promise<number> { return Promise.resolve(this.writeSync(p)); } writeSync(p: Uint8Array): number { this.chunks.push(p); this.byteLength += p.byteLength; this.cache = undefined; return p.byteLength; } toString(): string { if (this.cache) { return this.cache; } const buf = new Uint8Array(this.byteLength); let offs = 0; for (const chunk of this.chunks) { buf.set(chunk, offs); offs += chunk.byteLength; } this.cache = decoder.decode(buf); return this.cache; } }