mirror of
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.
92 lines
2.8 KiB
TypeScript
92 lines
2.8 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import { ERR_INVALID_URI } from "internal:deno_node/internal/errors.ts";
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export const hexTable = new Array(256);
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for (let i = 0; i < 256; ++i) {
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hexTable[i] = "%" + ((i < 16 ? "0" : "") + i.toString(16)).toUpperCase();
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}
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// deno-fmt-ignore
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export const isHexTable = new Int8Array([
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 15
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - 31
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 32 - 47
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 48 - 63
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0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 64 - 79
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80 - 95
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0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 96 - 111
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 112 - 127
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 128 ...
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ... 256
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]);
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export function encodeStr(
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str: string,
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noEscapeTable: Int8Array,
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hexTable: string[],
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): string {
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const len = str.length;
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if (len === 0) return "";
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let out = "";
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let lastPos = 0;
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for (let i = 0; i < len; i++) {
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let c = str.charCodeAt(i);
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// ASCII
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if (c < 0x80) {
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if (noEscapeTable[c] === 1) continue;
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if (lastPos < i) out += str.slice(lastPos, i);
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lastPos = i + 1;
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out += hexTable[c];
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continue;
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}
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if (lastPos < i) out += str.slice(lastPos, i);
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// Multi-byte characters ...
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if (c < 0x800) {
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lastPos = i + 1;
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out += hexTable[0xc0 | (c >> 6)] + hexTable[0x80 | (c & 0x3f)];
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continue;
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}
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if (c < 0xd800 || c >= 0xe000) {
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lastPos = i + 1;
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out += hexTable[0xe0 | (c >> 12)] +
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hexTable[0x80 | ((c >> 6) & 0x3f)] +
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hexTable[0x80 | (c & 0x3f)];
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continue;
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}
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// Surrogate pair
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++i;
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// This branch should never happen because all URLSearchParams entries
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// should already be converted to USVString. But, included for
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// completion's sake anyway.
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if (i >= len) throw new ERR_INVALID_URI();
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const c2 = str.charCodeAt(i) & 0x3ff;
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lastPos = i + 1;
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c = 0x10000 + (((c & 0x3ff) << 10) | c2);
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out += hexTable[0xf0 | (c >> 18)] +
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hexTable[0x80 | ((c >> 12) & 0x3f)] +
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hexTable[0x80 | ((c >> 6) & 0x3f)] +
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hexTable[0x80 | (c & 0x3f)];
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}
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if (lastPos === 0) return str;
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if (lastPos < len) return out + str.slice(lastPos);
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return out;
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}
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export default {
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hexTable,
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encodeStr,
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isHexTable,
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};
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