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rea/src/domain/javascript/javascriptStaticAnalysisInvocationIteration.test.ts
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import { runInNewContext } from "node:vm";
import { expect, it } from "vitest";
import { analyzeJavaScriptStaticSource } from "./javascriptStaticAnalysis.js";
const changedIterator =
"Array.prototype[Symbol.iterator]=function*(){yield '../shared/window.cjs'};";
const cases = [
[
"ordinary spread",
"",
"require(...['./inert.cjs'])",
"./inert.cjs",
"./inert.cjs",
],
[
"ordinary nested spread",
"",
"require(...[...['./inert.cjs']])",
"./inert.cjs",
"./inert.cjs",
],
[
"changed direct spread",
changedIterator,
"require(...['./inert.cjs'])",
"../shared/window.cjs",
null,
],
[
"changed nested spread",
changedIterator,
"require(...[...['./inert.cjs']])",
"../shared/window.cjs",
null,
],
[
"changed generic call spread",
changedIterator,
"require.call(null,...['./inert.cjs'])",
"../shared/window.cjs",
null,
],
[
"changed apply argument spread",
changedIterator,
"require.apply(null,[...['./inert.cjs']])",
"../shared/window.cjs",
null,
],
[
"changed reflected argument spread",
changedIterator,
"Reflect.apply(require,null,[...['./inert.cjs']])",
"../shared/window.cjs",
null,
],
[
"apply arraylike without spread",
changedIterator,
"require.apply(null,['./inert.cjs'])",
"./inert.cjs",
"./inert.cjs",
],
[
"reflected arraylike without spread",
changedIterator,
"Reflect.apply(require,null,['./inert.cjs'])",
"./inert.cjs",
"./inert.cjs",
],
[
"known argument before custom spread",
changedIterator,
"require('./inert.cjs',...[])",
"./inert.cjs",
"./inert.cjs",
],
[
"shadowed Array mutation",
"const Array={prototype:{}};Array.prototype[Symbol.iterator]=function*(){yield '../shared/window.cjs'};",
"require(...['./inert.cjs'])",
"./inert.cjs",
"./inert.cjs",
],
[
"ordinary captured generic spread",
"const get=()=>module;const invoke=get.call;",
"invoke.call(...[get,null]).require('./inert.cjs')",
"./inert.cjs",
null,
],
[
"changed captured generic spread receiver",
"const get=()=>({});const invoke=get.call;Array.prototype[Symbol.iterator]=function*(){yield ()=>module;yield null;};",
"invoke.call(...[get,null]).require('./inert.cjs')",
"./inert.cjs",
null,
],
] as const;
it.each(cases)(
"retains invocation iterator authority for %s",
(_name, setup, call, actual, specifier) => {
const source = `${setup}${call};`;
expect(
runInNewContext(
source,
{
require: (request: string) => request,
module: { require: (request: string) => request },
},
{ timeout: 1_000 },
),
).toBe(actual);
const analysis = analyzeJavaScriptStaticSource(source);
expect(analysis.parse_error_count).toBe(0);
expect(analysis.references).toEqual([
expect.objectContaining({ kind: "require", specifier }),
]);
},
);