1e115aed33
* fix: ensure (a?.b)() has proper this * let test be more restrictive * fix: transformed member call should preserve computed * chore: revamp test files * refactor: simplify * fix: unwrap parthenthesizedExpression * add loose test cases * add `(a?.#b)()` support * add with-transform test cases * Update packages/babel-plugin-proposal-optional-chaining/src/index.js Co-authored-by: Justin Ridgewell <justin@ridgewell.name> * address review comments * update test fixtures Co-authored-by: Justin Ridgewell <justin@ridgewell.name>
48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
class Foo {
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constructor() {
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this.x = 1;
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this.self = this;
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}
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m() { return this.x; };
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getSelf() { return this }
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test() {
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const Foo = this;
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const o = { Foo: Foo };
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const fn = function () {
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return o;
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};
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expect((Foo?.["m"])()).toEqual(1);
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expect((Foo?.["m"])().toString).toEqual(1..toString);
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expect((Foo?.["m"])().toString()).toEqual('1');
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expect((o?.Foo.m)()).toEqual(1);
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expect((o?.Foo.m)().toString).toEqual(1..toString);
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expect((o?.Foo.m)().toString()).toEqual('1');
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expect((((o.Foo?.self.getSelf)())?.m)()).toEqual(1);
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expect((((o.Foo.self?.getSelf)())?.m)()).toEqual(1);
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expect((((fn()?.Foo?.self.getSelf)())?.m)()).toEqual(1);
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expect((((fn?.().Foo.self?.getSelf)())?.m)()).toEqual(1);
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}
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testNull() {
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const o = null;
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expect(() => { (o?.Foo.m)() }).toThrow();
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expect(() => { (o?.Foo.m)().toString }).toThrow();
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expect(() => { (o?.Foo.m)().toString() }).toThrow();
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expect(() => { (((o.Foo?.self.getSelf)())?.m)() }).toThrow();
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expect(() => { (((o.Foo.self?.getSelf)())?.m)() }).toThrow();
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expect(() => (((fn()?.Foo?.self.getSelf)())?.m)()).toThrow();
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expect(() => (((fn?.().Foo.self?.getSelf)())?.m)()).toThrow();
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}
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}
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(new Foo).test();
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(new Foo).testNull();
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