99 lines
2.9 KiB
TypeScript
99 lines
2.9 KiB
TypeScript
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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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const generic = "const get=()=>({});const invoke=get.call;";
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const cases = [
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{
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name: "plain object receiver",
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source: `${generic}const holder={invoke,other:()=>module};holder.invoke(null)`,
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callable: false,
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},
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{
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name: "sequence object receiver",
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source: `${generic}const holder={invoke,other:()=>module};(0,holder).invoke(null)`,
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callable: false,
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},
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{
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name: "spread object receiver",
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source: `${generic}({...{invoke,other:()=>module}}).invoke(null)`,
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callable: false,
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},
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{
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name: "array receiver",
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source: `${generic}const holder=[invoke,()=>module];holder[0](null)`,
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callable: false,
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},
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{
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name: "explicit object receiver",
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source: `${generic}invoke.call({other:()=>module},null)`,
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callable: false,
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},
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{
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name: "conditional object receiver",
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source: `${generic}const holder=flag?{invoke,other:()=>module}:{invoke,other:()=>module};holder.invoke(null)`,
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callable: false,
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},
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{
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name: "direct object callee",
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source: "const holder={other:()=>module};holder(null)",
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callable: false,
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},
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{
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name: "direct array callee",
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source: "const holder=[()=>module];holder(null)",
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callable: false,
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},
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{
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name: "callable receiver with an own invocation alias",
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source: `${generic}const holder=()=>module;holder.invoke=invoke;holder.other=()=>({});holder.invoke(null)`,
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callable: true,
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},
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{
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name: "explicit callable member receiver",
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source: `${generic}const holder={invoke,other:()=>module};holder.invoke.call(holder.other,null)`,
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callable: true,
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},
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{
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name: "selected object callable",
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source: `${generic}const holder={other:()=>module};invoke.call(holder.other,null)`,
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callable: true,
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},
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{
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name: "selected array callable",
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source: `${generic}const holder=[()=>module];invoke.call(holder[0],null)`,
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callable: true,
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},
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{
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name: "selected spread callable",
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source: `${generic}const holder={...{other:()=>module}};invoke.call(holder.other,null)`,
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callable: true,
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},
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];
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it.each(cases)(
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"distinguishes the callable value from children for $name",
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({ source, callable }) => {
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const invocation = `${source}.require('./shared.cjs');`;
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expect(
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runInNewContext(
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`try{${invocation}}catch(error){error.name;}`,
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{ module: { require: () => "host" }, flag: true },
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{ timeout: 1_000 },
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),
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).toBe(callable ? "host" : "TypeError");
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const analysis = analyzeJavaScriptStaticSource(invocation);
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expect(analysis.parse_error_count).toBe(0);
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expect(analysis.references).toEqual(
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callable
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? [
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expect.objectContaining({
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kind: "require",
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specifier: null,
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}),
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]
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: [],
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);
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},
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);
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