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https://github.com/denoland/deno.git
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b40086fd7d
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.
132 lines
4.1 KiB
JavaScript
132 lines
4.1 KiB
JavaScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// Copyright Joyent, Inc. and Node.js contributors. All rights reserved. MIT license.
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import { Buffer } from "internal:deno_node/buffer.ts";
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import { validateEncoding, validateInteger } from "internal:deno_node/internal/validators.mjs";
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import {
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getValidatedFd,
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showStringCoercionDeprecation,
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validateOffsetLengthWrite,
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validateStringAfterArrayBufferView,
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} from "internal:deno_node/internal/fs/utils.mjs";
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import { isArrayBufferView } from "internal:deno_node/internal/util/types.ts";
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import { maybeCallback } from "internal:deno_node/_fs/_fs_common.ts";
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export function writeSync(fd, buffer, offset, length, position) {
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fd = getValidatedFd(fd);
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const innerWriteSync = (fd, buffer, offset, length, position) => {
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if (buffer instanceof DataView) {
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buffer = new Uint8Array(buffer.buffer);
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}
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if (typeof position === "number") {
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Deno.seekSync(fd, position, Deno.SeekMode.Start);
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}
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let currentOffset = offset;
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const end = offset + length;
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while (currentOffset - offset < length) {
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currentOffset += Deno.writeSync(fd, buffer.subarray(currentOffset, end));
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}
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return currentOffset - offset;
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};
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if (isArrayBufferView(buffer)) {
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if (position === undefined) {
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position = null;
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}
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if (offset == null) {
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offset = 0;
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} else {
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validateInteger(offset, "offset", 0);
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}
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if (typeof length !== "number") {
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length = buffer.byteLength - offset;
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}
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validateOffsetLengthWrite(offset, length, buffer.byteLength);
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return innerWriteSync(fd, buffer, offset, length, position);
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}
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validateStringAfterArrayBufferView(buffer, "buffer");
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validateEncoding(buffer, length);
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if (offset === undefined) {
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offset = null;
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}
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buffer = Buffer.from(buffer, length);
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return innerWriteSync(fd, buffer, 0, buffer.length, position);
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}
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/** Writes the buffer to the file of the given descriptor.
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* https://nodejs.org/api/fs.html#fswritefd-buffer-offset-length-position-callback
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* https://github.com/nodejs/node/blob/42ad4137aadda69c51e1df48eee9bc2e5cebca5c/lib/fs.js#L797
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*/
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export function write(fd, buffer, offset, length, position, callback) {
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fd = getValidatedFd(fd);
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const innerWrite = async (fd, buffer, offset, length, position) => {
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if (buffer instanceof DataView) {
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buffer = new Uint8Array(buffer.buffer);
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}
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if (typeof position === "number") {
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await Deno.seek(fd, position, Deno.SeekMode.Start);
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}
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let currentOffset = offset;
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const end = offset + length;
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while (currentOffset - offset < length) {
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currentOffset += await Deno.write(
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fd,
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buffer.subarray(currentOffset, end),
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);
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}
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return currentOffset - offset;
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};
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if (isArrayBufferView(buffer)) {
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callback = maybeCallback(callback || position || length || offset);
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if (offset == null || typeof offset === "function") {
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offset = 0;
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} else {
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validateInteger(offset, "offset", 0);
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}
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if (typeof length !== "number") {
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length = buffer.byteLength - offset;
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}
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if (typeof position !== "number") {
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position = null;
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}
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validateOffsetLengthWrite(offset, length, buffer.byteLength);
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innerWrite(fd, buffer, offset, length, position).then(
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(nwritten) => {
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callback(null, nwritten, buffer);
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},
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(err) => callback(err),
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);
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return;
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}
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// Here the call signature is
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// `fs.write(fd, string[, position[, encoding]], callback)`
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validateStringAfterArrayBufferView(buffer, "buffer");
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if (typeof buffer !== "string") {
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showStringCoercionDeprecation();
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}
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if (typeof position !== "function") {
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if (typeof offset === "function") {
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position = offset;
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offset = null;
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} else {
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position = length;
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}
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length = "utf-8";
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}
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const str = String(buffer);
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validateEncoding(str, length);
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callback = maybeCallback(position);
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buffer = Buffer.from(str, length);
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innerWrite(fd, buffer, 0, buffer.length, offset, callback).then(
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(nwritten) => {
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callback(null, nwritten, buffer);
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},
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(err) => callback(err),
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);
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}
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