TypeScript/tests/baselines/reference/ensureNoCrashExportAssignmentDefineProperrtyPotentialMerge.symbols
Nathan Shively-Sanders aba932aefa
Create synthetic exports symbol for commonjs module (#42655)
* Commonjs module:create synthetic exports symbol

Previously, the `module` identifier in commonjs modules got a synthetic
type with a single property `exports`. The exports property reused the
file's symbol, which, for a module file, gives the correct exported
properties.

However, the name of this symbol was still the filename of the file, not
`exports`. This PR creates a synthetic symbol for `exports` by copying
in a similar way to esModuleInterop's `default` symbol in
`resolveESModuleSymbol` (although the intent there is to strip off
signatures from the symbol).

* correct parent of synthetic symbol
2021-02-05 10:56:03 -08:00

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=== tests/cases/compiler/index.js ===
const _item = require("./namespacer");
>_item : Symbol(_item, Decl(index.js, 0, 5))
>require : Symbol(require)
>"./namespacer" : Symbol("tests/cases/compiler/namespacer", Decl(namespacer.js, 0, 0))
module.exports = 12;
>module.exports : Symbol(module.exports, Decl(index.js, 0, 0))
>module : Symbol(export=, Decl(index.js, 0, 38))
>exports : Symbol(export=, Decl(index.js, 0, 38))
Object.defineProperty(module, "exports", { value: "oh no" });
>Object.defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
>module : Symbol(module, Decl(index.js, 0, 38), Decl(index.js, 2, 22))
>"exports" : Symbol(module.exports, Decl(index.js, 1, 20))
>value : Symbol(value, Decl(index.js, 2, 42))
=== tests/cases/compiler/namespacey.js ===
const A = {}
>A : Symbol(A, Decl(namespacey.js, 0, 5), Decl(namespacey.js, 0, 12))
A.bar = class Q {}
>A.bar : Symbol(A.bar, Decl(namespacey.js, 0, 12))
>A : Symbol(A, Decl(namespacey.js, 0, 5), Decl(namespacey.js, 0, 12))
>bar : Symbol(A.bar, Decl(namespacey.js, 0, 12))
>Q : Symbol(Q, Decl(namespacey.js, 1, 7))
module.exports = A;
>module.exports : Symbol(module.exports, Decl(namespacey.js, 0, 0))
>module : Symbol(export=, Decl(namespacey.js, 1, 18))
>exports : Symbol(export=, Decl(namespacey.js, 1, 18))
>A : Symbol(A, Decl(namespacey.js, 0, 5), Decl(namespacey.js, 0, 12))
=== tests/cases/compiler/namespacer.js ===
const B = {}
>B : Symbol(B, Decl(namespacer.js, 0, 5), Decl(namespacer.js, 0, 12), Decl(namespacer.js, 2, 22))
B.NS = require("./namespacey");
>B.NS : Symbol(B.NS, Decl(namespacer.js, 0, 12), Decl(namespacer.js, 1, 31))
>B : Symbol(B, Decl(namespacer.js, 0, 5), Decl(namespacer.js, 0, 12), Decl(namespacer.js, 2, 22))
>NS : Symbol(B.NS, Decl(namespacer.js, 0, 12), Decl(namespacer.js, 1, 31))
>require : Symbol(require)
>"./namespacey" : Symbol("tests/cases/compiler/namespacey", Decl(namespacey.js, 0, 0))
Object.defineProperty(B, "NS", { value: "why though", writable: true });
>Object.defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>defineProperty : Symbol(ObjectConstructor.defineProperty, Decl(lib.es5.d.ts, --, --))
>B : Symbol(B, Decl(namespacer.js, 0, 5), Decl(namespacer.js, 0, 12), Decl(namespacer.js, 2, 22))
>"NS" : Symbol(B.NS, Decl(namespacer.js, 0, 12), Decl(namespacer.js, 1, 31))
>value : Symbol(value, Decl(namespacer.js, 2, 32))
>writable : Symbol(writable, Decl(namespacer.js, 2, 53))
module.exports = B;
>module.exports : Symbol(module.exports, Decl(namespacer.js, 0, 0))
>module : Symbol(export=, Decl(namespacer.js, 2, 72))
>exports : Symbol(export=, Decl(namespacer.js, 2, 72))
>B : Symbol(B, Decl(namespacer.js, 0, 5), Decl(namespacer.js, 0, 12), Decl(namespacer.js, 2, 22))