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d38ccfc6dc
This is a large API refactor of deno.h which replaces deno_send() and deno_set_response() with deno_respond(). It also adds a req_id parameter to the deno_recv_cb. Make writeFile/writeFileSync use it.
52 lines
1.5 KiB
TypeScript
52 lines
1.5 KiB
TypeScript
// Copyright 2018 the Deno authors. All rights reserved. MIT license.
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import * as fbs from "gen/msg_generated";
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import { flatbuffers } from "flatbuffers";
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import * as dispatch from "./dispatch";
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/**
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* Write a new file, with given filename and data synchronously.
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*
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* import { writeFileSync } from "deno";
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*
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* const encoder = new TextEncoder("utf-8");
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* const data = encoder.encode("Hello world\n");
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* writeFileSync("hello.txt", data);
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*/
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export function writeFileSync(
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filename: string,
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data: Uint8Array,
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perm = 0o666
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): void {
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dispatch.sendSync(...req(filename, data, perm));
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}
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/**
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* Write a new file, with given filename and data.
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*
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* import { writeFile } from "deno";
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*
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* const encoder = new TextEncoder("utf-8");
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* const data = encoder.encode("Hello world\n");
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* await writeFile("hello.txt", data);
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*/
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export async function writeFile(
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filename: string,
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data: Uint8Array,
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perm = 0o666
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): Promise<void> {
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await dispatch.sendAsync(...req(filename, data, perm));
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}
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function req(
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filename: string,
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data: Uint8Array,
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perm: number
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): [flatbuffers.Builder, fbs.Any, flatbuffers.Offset, Uint8Array] {
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const builder = new flatbuffers.Builder();
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const filename_ = builder.createString(filename);
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fbs.WriteFile.startWriteFile(builder);
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fbs.WriteFile.addFilename(builder, filename_);
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fbs.WriteFile.addPerm(builder, perm);
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const msg = fbs.WriteFile.endWriteFile(builder);
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return [builder, fbs.Any.WriteFile, msg, data];
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}
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