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Move writeFileSync to write_file.ts, add writeFile and tests (#728)

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Kevin (Kun) "Kassimo" Qian 2018-09-11 09:00:57 -07:00 • committed by Ryan Dahl
parent c2663e1d82
commit 05f87a0cf2
10 changed files with 192 additions and 83 deletions
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32
js/os.ts
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@ -274,38 +274,6 @@ function statSyncInner(filename: string, lstat: boolean): FileInfo {
return new FileInfo(res);
}
/**
* Write a new file.
* import { writeFileSync } from "deno";
*
* const encoder = new TextEncoder("utf-8");
* const data = encoder.encode("Hello world\n");
* writeFileSync("hello.txt", data);
*/
export function writeFileSync(
filename: string,
data: Uint8Array,
perm = 0o666
): void {
/* Ideally we could write:
const res = sendSync({
command: fbs.Command.WRITE_FILE_SYNC,
writeFileSyncFilename: filename,
writeFileSyncData: data,
writeFileSyncPerm: perm
});
*/
const builder = new flatbuffers.Builder();
const filename_ = builder.createString(filename);
const dataOffset = fbs.WriteFileSync.createDataVector(builder, data);
fbs.WriteFileSync.startWriteFileSync(builder);
fbs.WriteFileSync.addFilename(builder, filename_);
fbs.WriteFileSync.addData(builder, dataOffset);
fbs.WriteFileSync.addPerm(builder, perm);
const msg = fbs.WriteFileSync.endWriteFileSync(builder);
sendSync(builder, fbs.Any.WriteFileSync, msg);
}
/**
* Renames (moves) oldpath to newpath.
* import { renameSync } from "deno";