50 lines
1.9 KiB
TypeScript
50 lines
1.9 KiB
TypeScript
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import { createRequire } from "node:module";
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import { dirname, resolve } from "node:path";
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import { runInNewContext } from "node:vm";
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import { expect, it } from "vitest";
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import { analyzeJavaScriptStaticSource } from "./javascriptStaticAnalysis.js";
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it("observes an authored factory returning a loader from another directory", () => {
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const source = resolve("factory-oracle-source/main.cjs");
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const alternate = resolve("factory-oracle-other/main.cjs");
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for (const flag of [false, true]) {
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const actual = runInNewContext(
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"const make=flag?native:getFactory();const load=make(source);load.resolve.paths('./window.cjs')[0];",
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{
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native: createRequire,
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getFactory: () => () => createRequire(alternate),
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source,
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flag,
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},
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);
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expect(actual).toBe(dirname(flag ? source : alternate));
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}
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});
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it.each([
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["conditional opaque factory", "flag?native:getFactory()", null],
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["logical opaque factory", "native||getFactory()", null],
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["optional opaque factory", "flag?native:getFactory?.()", null],
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["constructed opaque factory", "flag?native:new Factory()", null],
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["opaque member factory", "flag?native:getContainer().make", null],
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["unbound member factory", "flag?native:holder.make", null],
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["known native choices", "flag?native:native", "./window.cjs"],
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["only opaque factory", "getFactory()", undefined],
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["only local factory", "()=>()=>({})", undefined],
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] as const)(
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"retains every selected origin for %s",
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(_name, choice, specifier) => {
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const analysis = analyzeJavaScriptStaticSource(
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`import{createRequire as native}from'node:module';const make=${choice};const load=make(import.meta.url);load('./window.cjs');`,
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);
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expect(analysis.parse_error_count).toBe(0);
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expect(
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analysis.references.filter(({ kind }) => kind === "require"),
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).toEqual(
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specifier === undefined
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? []
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: [expect.objectContaining({ kind: "require", specifier })],
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);
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},
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);
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