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