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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync } from "../dispatch_json.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 type OpenMode = "r" | "r+" | "w" | "w+" | "a" | "a+" | "x" | "x+";
export function openSync(
path: string,
openMode: OpenMode | undefined,
options: OpenOptions | undefined
): number {
const mode: number | undefined = options?.mode;
return sendSync("op_open", { path, options, openMode, mode });
}
export function open(
path: string,
openMode: OpenMode | undefined,
options: OpenOptions | undefined
): Promise<number> {
const mode: number | undefined = options?.mode;
return sendAsync("op_open", {
path,
options,
openMode,
mode,
});
}
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