import { expect, it } from "vitest"; import { analyzeJavaScriptStaticSource } from "../../../tests/fixtures/javascriptStaticAnalysis.js"; it.each([ [ "const old={child:{make:()=>module}};const box={...old};old.child={make:()=>({})};box.child.make()", true, ], [ "const old={child:{make:()=>module}};const box={...old};old.child.make=()=>({});box.child.make()", false, ], [ "const old={child:{make:()=>({})}};const box={...old};old.child.make=()=>module;box.child.make()", true, ], [ "const old={child:{make:()=>({})}};const box={...old};old.child={make:()=>module};old.child.make=()=>module;box.child.make()", false, ], [ "const old={child:{make:()=>module}};const {...box}=old;old.child={make:()=>({})};box.child.make()", true, ], [ "const old={child:{make:()=>module}};const {...box}=old;old.child.make=()=>({});box.child.make()", false, ], [ "let old={child:{make:()=>module}};const {...box}=old;old={child:{make:()=>({})}};box.child.make()", true, ], [ "const old=[{make:()=>module}];const box=[...old];old[0]={make:()=>({})};box[0].make()", true, ], [ "const old=[{make:()=>module}];const box=[...old];old[0].make=()=>({});box[0].make()", false, ], [ "const old=[{make:()=>module}];const [...box]=old;old[0]={make:()=>({})};box[0].make()", true, ], [ "const old=[{}, {make:()=>module}];const [skip,...box]=old;old[1]={make:()=>({})};box[0].make()", true, ], [ "const old=[{}, {make:()=>module}];const [skip,...box]=old;old[1].make=()=>({});box[0].make()", false, ], [ "const old={make:()=>module};const middle={...old};old.make=()=>({});const box={...middle};middle.make=()=>({});box.make()", true, ], [ "const old={make:()=>({})};const middle={...old};old.make=()=>module;const box={...middle};middle.make=()=>module;box.make()", false, ], [ "const old={child:{make:()=>module}};const middle={...old};old.child={make:()=>({})};const box={...middle};box.child.make()", true, ], [ "const old={make:()=>module};const middle={...old};old.make=()=>({});const {...box}=middle;box.make()", true, ], ])( "preserves copied child identity and later writes through it: %s", (receiver, expected) => { const result = analyzeJavaScriptStaticSource( `${receiver}.require('./shared.cjs');`, ); expect(result.parse_error_count).toBe(0); expect(result.references).toEqual( expected ? [expect.objectContaining({ kind: "require", specifier: null })] : [], ); }, ); it.each([ ["const box={...{__proto__:{make:()=>module}}};box.make()", false], ["const box={...{get make(){return ()=>module}}};box.make()", true], ["class C{static make(){return module}};const box={...C};box.make()", false], ["class C{make(){return module}};const box={...new C()};box.make()", false], [ "class Base{static make=()=>module};class C extends Base{};const box={...C};box.make()", false, ], ["class C{static make=()=>module};const box={...C};box.make()", true], ["class C{make=()=>module};const box={...new C()};box.make()", true], ] as const)( "copies only own enumerable callable values: %s", (expression, expected) => { const analysis = analyzeJavaScriptStaticSource( `${expression}.require('./shared.cjs');`, ); expect(analysis.parse_error_count).toBe(0); expect(analysis.references).toEqual( expected ? [expect.objectContaining({ kind: "require", specifier: null })] : [], ); }, );