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denoland-deno/ext/node/polyfills/_fs/_fs_appendFile.ts
Bartek Iwańczuk ce75e31625 refactor(core): include_js_files! 'dir' option doesn't change specifiers (#18019)
This commit changes "include_js_files!" macro from "deno_core"
in a way that "dir" option doesn't cause specifiers to be rewritten 
to include it.

Example:
```
include_js_files! {
  dir "js",
  "hello.js",
}
```

The above definition required embedders to use:
`import ... from "internal:<ext_name>/js/hello.js"`. 
But with this change, the "js" directory in which the files are stored
is an implementation detail, which for embedders results in: 
`import ... from "internal:<ext_name>/hello.js"`.

The directory the files are stored in, is an implementation detail and 
in some cases might result in a significant size difference for the 
snapshot. As an example, in "deno_node" extension, we store the 
source code in "polyfills" directory; which resulted in each specifier 
to look like "internal:deno_node/polyfills/<module_name>", but with 
this change it's "internal:deno_node/<module_name>". 

Given that "deno_node" has over 100 files, many of them having 
several import specifiers to the same extension, this change removes
10 characters from each import specifier.
2023-03-10 12:47:26 +09:00

73 lines
2.2 KiB
TypeScript

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import {
CallbackWithError,
isFd,
maybeCallback,
WriteFileOptions,
} from "internal:deno_node/_fs/_fs_common.ts";
import { Encodings } from "internal:deno_node/_utils.ts";
import {
copyObject,
getOptions,
} from "internal:deno_node/internal/fs/utils.mjs";
import {
writeFile,
writeFileSync,
} from "internal:deno_node/_fs/_fs_writeFile.ts";
import { promisify } from "internal:deno_node/internal/util.mjs";
/**
* TODO: Also accept 'data' parameter as a Node polyfill Buffer type once these
* are implemented. See https://github.com/denoland/deno/issues/3403
*/
export function appendFile(
path: string | number | URL,
data: string | Uint8Array,
options: Encodings | WriteFileOptions | CallbackWithError,
callback?: CallbackWithError,
) {
callback = maybeCallback(callback || options);
options = getOptions(options, { encoding: "utf8", mode: 0o666, flag: "a" });
// Don't make changes directly on options object
options = copyObject(options);
// Force append behavior when using a supplied file descriptor
if (!options.flag || isFd(path)) {
options.flag = "a";
}
writeFile(path, data, options, callback);
}
/**
* TODO: Also accept 'data' parameter as a Node polyfill Buffer type once these
* are implemented. See https://github.com/denoland/deno/issues/3403
*/
export const appendFilePromise = promisify(appendFile) as (
path: string | number | URL,
data: string | Uint8Array,
options?: Encodings | WriteFileOptions,
) => Promise<void>;
/**
* TODO: Also accept 'data' parameter as a Node polyfill Buffer type once these
* are implemented. See https://github.com/denoland/deno/issues/3403
*/
export function appendFileSync(
path: string | number | URL,
data: string | Uint8Array,
options?: Encodings | WriteFileOptions,
) {
options = getOptions(options, { encoding: "utf8", mode: 0o666, flag: "a" });
// Don't make changes directly on options object
options = copyObject(options);
// Force append behavior when using a supplied file descriptor
if (!options.flag || isFd(path)) {
options.flag = "a";
}
writeFileSync(path, data, options);
}