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92 lines
2.7 KiB
TypeScript
92 lines
2.7 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// TODO(petamoriken): enable prefer-primordials for node polyfills
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// deno-lint-ignore-file prefer-primordials
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import type { CallbackWithError } from "ext:deno_node/_fs/_fs_common.ts";
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import { makeCallback } from "ext:deno_node/_fs/_fs_common.ts";
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import { Buffer } from "node:buffer";
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import {
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getValidatedPath,
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getValidMode,
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} from "ext:deno_node/internal/fs/utils.mjs";
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import { fs } from "ext:deno_node/internal_binding/constants.ts";
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import { codeMap } from "ext:deno_node/internal_binding/uv.ts";
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import { promisify } from "ext:deno_node/internal/util.mjs";
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export function copyFile(
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src: string | Buffer | URL,
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dest: string | Buffer | URL,
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callback: CallbackWithError,
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): void;
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export function copyFile(
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src: string | Buffer | URL,
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dest: string | Buffer | URL,
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mode: number,
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callback: CallbackWithError,
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): void;
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export function copyFile(
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src: string | Buffer | URL,
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dest: string | Buffer | URL,
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mode: number | CallbackWithError,
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callback?: CallbackWithError,
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) {
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if (typeof mode === "function") {
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callback = mode;
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mode = 0;
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}
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const srcStr = getValidatedPath(src, "src").toString();
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const destStr = getValidatedPath(dest, "dest").toString();
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const modeNum = getValidMode(mode, "copyFile");
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const cb = makeCallback(callback);
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if ((modeNum & fs.COPYFILE_EXCL) === fs.COPYFILE_EXCL) {
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Deno.lstat(destStr).then(() => {
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// deno-lint-ignore no-explicit-any
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const e: any = new Error(
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`EEXIST: file already exists, copyfile '${srcStr}' -> '${destStr}'`,
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);
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e.syscall = "copyfile";
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e.errno = codeMap.get("EEXIST");
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e.code = "EEXIST";
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cb(e);
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}, (e) => {
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if (e instanceof Deno.errors.NotFound) {
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Deno.copyFile(srcStr, destStr).then(() => cb(null), cb);
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}
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cb(e);
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});
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} else {
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Deno.copyFile(srcStr, destStr).then(() => cb(null), cb);
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}
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}
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export const copyFilePromise = promisify(copyFile) as (
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src: string | Buffer | URL,
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dest: string | Buffer | URL,
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mode?: number,
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) => Promise<void>;
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export function copyFileSync(
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src: string | Buffer | URL,
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dest: string | Buffer | URL,
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mode?: number,
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) {
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const srcStr = getValidatedPath(src, "src").toString();
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const destStr = getValidatedPath(dest, "dest").toString();
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const modeNum = getValidMode(mode, "copyFile");
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if ((modeNum & fs.COPYFILE_EXCL) === fs.COPYFILE_EXCL) {
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try {
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Deno.lstatSync(destStr);
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throw new Error(`A file exists at the destination: ${destStr}`);
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} catch (e) {
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if (e instanceof Deno.errors.NotFound) {
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Deno.copyFileSync(srcStr, destStr);
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}
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throw e;
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}
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} else {
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Deno.copyFileSync(srcStr, destStr);
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}
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}
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