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denoland-deno/cli/js/ops/fs/open.ts

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TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync } from "../dispatch_json.ts";
import { pathFromURL } from "../../util.ts";
export interface OpenOptions {
read?: boolean;
write?: boolean;
append?: boolean;
truncate?: boolean;
create?: boolean;
createNew?: boolean;
/** Permissions to use if creating the file (defaults to `0o666`, before
* the process's umask).
* It's an error to specify mode without also setting create or createNew to `true`.
* Ignored on Windows. */
mode?: number;
}
export function openSync(path: string | URL, options: OpenOptions): number {
const mode: number | undefined = options?.mode;
path = pathFromURL(path);
return sendSync("op_open", { path, options, mode });
}
export function open(
path: string | URL,
options: OpenOptions
): Promise<number> {
const mode: number | undefined = options?.mode;
path = pathFromURL(path);
return sendAsync("op_open", {
path,
options,
mode,
});
}