mirror of
https://github.com/denoland/deno.git
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ce75e31625
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.
131 lines
3.7 KiB
TypeScript
131 lines
3.7 KiB
TypeScript
// Copyright the Browserify authors. MIT License.
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// Ported from https://github.com/browserify/path-browserify/
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import type { FormatInputPathObject } from "internal:deno_node/path/_interface.ts";
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import {
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CHAR_BACKWARD_SLASH,
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CHAR_DOT,
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CHAR_FORWARD_SLASH,
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CHAR_LOWERCASE_A,
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CHAR_LOWERCASE_Z,
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CHAR_UPPERCASE_A,
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CHAR_UPPERCASE_Z,
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} from "internal:deno_node/path/_constants.ts";
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import { ERR_INVALID_ARG_TYPE } from "internal:deno_node/internal/errors.ts";
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export function assertPath(path: string) {
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if (typeof path !== "string") {
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throw new ERR_INVALID_ARG_TYPE("path", ["string"], path);
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}
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}
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export function isPosixPathSeparator(code: number): boolean {
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return code === CHAR_FORWARD_SLASH;
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}
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export function isPathSeparator(code: number): boolean {
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return isPosixPathSeparator(code) || code === CHAR_BACKWARD_SLASH;
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}
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export function isWindowsDeviceRoot(code: number): boolean {
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return (
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(code >= CHAR_LOWERCASE_A && code <= CHAR_LOWERCASE_Z) ||
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(code >= CHAR_UPPERCASE_A && code <= CHAR_UPPERCASE_Z)
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);
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}
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// Resolves . and .. elements in a path with directory names
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export function normalizeString(
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path: string,
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allowAboveRoot: boolean,
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separator: string,
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isPathSeparator: (code: number) => boolean,
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): string {
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let res = "";
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let lastSegmentLength = 0;
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let lastSlash = -1;
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let dots = 0;
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let code: number | undefined;
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for (let i = 0, len = path.length; i <= len; ++i) {
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if (i < len) code = path.charCodeAt(i);
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else if (isPathSeparator(code!)) break;
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else code = CHAR_FORWARD_SLASH;
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if (isPathSeparator(code!)) {
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if (lastSlash === i - 1 || dots === 1) {
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// NOOP
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} else if (lastSlash !== i - 1 && dots === 2) {
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if (
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res.length < 2 ||
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lastSegmentLength !== 2 ||
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res.charCodeAt(res.length - 1) !== CHAR_DOT ||
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res.charCodeAt(res.length - 2) !== CHAR_DOT
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) {
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if (res.length > 2) {
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const lastSlashIndex = res.lastIndexOf(separator);
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if (lastSlashIndex === -1) {
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res = "";
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lastSegmentLength = 0;
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} else {
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res = res.slice(0, lastSlashIndex);
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lastSegmentLength = res.length - 1 - res.lastIndexOf(separator);
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}
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lastSlash = i;
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dots = 0;
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continue;
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} else if (res.length === 2 || res.length === 1) {
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res = "";
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lastSegmentLength = 0;
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lastSlash = i;
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dots = 0;
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continue;
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}
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}
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if (allowAboveRoot) {
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if (res.length > 0) res += `${separator}..`;
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else res = "..";
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lastSegmentLength = 2;
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}
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} else {
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if (res.length > 0) res += separator + path.slice(lastSlash + 1, i);
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else res = path.slice(lastSlash + 1, i);
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lastSegmentLength = i - lastSlash - 1;
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}
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lastSlash = i;
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dots = 0;
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} else if (code === CHAR_DOT && dots !== -1) {
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++dots;
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} else {
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dots = -1;
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}
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}
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return res;
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}
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export function _format(
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sep: string,
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pathObject: FormatInputPathObject,
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): string {
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const dir: string | undefined = pathObject.dir || pathObject.root;
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const base: string = pathObject.base ||
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(pathObject.name || "") + (pathObject.ext || "");
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if (!dir) return base;
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if (dir === pathObject.root) return dir + base;
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return dir + sep + base;
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}
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const WHITESPACE_ENCODINGS: Record<string, string> = {
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"\u0009": "%09",
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"\u000A": "%0A",
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"\u000B": "%0B",
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"\u000C": "%0C",
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"\u000D": "%0D",
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"\u0020": "%20",
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};
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export function encodeWhitespace(string: string): string {
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return string.replaceAll(/[\s]/g, (c) => {
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return WHITESPACE_ENCODINGS[c] ?? c;
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});
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}
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