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69 lines
1.8 KiB
TypeScript
69 lines
1.8 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { isContext, runInNewContext } from "node:vm";
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import {
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assertEquals,
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assertThrows,
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} from "../../../test_util/std/assert/mod.ts";
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Deno.test({
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name: "vm runInNewContext",
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fn() {
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const two = runInNewContext("1 + 1");
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assertEquals(two, 2);
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},
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});
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Deno.test({
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name: "vm runInNewContext sandbox",
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fn() {
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assertThrows(() => runInNewContext("Deno"));
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// deno-lint-ignore no-var
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var a = 1;
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assertThrows(() => runInNewContext("a + 1"));
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runInNewContext("a = 2");
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assertEquals(a, 1);
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},
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});
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// https://github.com/webpack/webpack/blob/87660921808566ef3b8796f8df61bd79fc026108/lib/javascript/JavascriptParser.js#L4329
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Deno.test({
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name: "vm runInNewContext webpack magic comments",
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fn() {
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const webpackCommentRegExp = new RegExp(
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/(^|\W)webpack[A-Z]{1,}[A-Za-z]{1,}:/,
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);
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const comments = [
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'webpackChunkName: "test"',
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'webpackMode: "lazy"',
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"webpackPrefetch: true",
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"webpackPreload: true",
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"webpackProvidedExports: true",
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'webpackChunkLoading: "require"',
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'webpackExports: ["default", "named"]',
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];
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for (const comment of comments) {
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const result = webpackCommentRegExp.test(comment);
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assertEquals(result, true);
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const [[key, _value]]: [string, string][] = Object.entries(
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runInNewContext(`(function(){return {${comment}};})()`),
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);
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const expectedKey = comment.split(":")[0].trim();
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assertEquals(key, expectedKey);
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}
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},
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});
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Deno.test({
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name: "vm isContext",
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fn() {
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// Currently we do not expose VM contexts so this is always false.
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const obj = {};
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assertEquals(isContext(obj), false);
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assertEquals(isContext(globalThis), false);
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const sandbox = runInNewContext("{}");
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assertEquals(isContext(sandbox), false);
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},
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});
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