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feat(codemode): add groupBy parity (#37992)

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Aiden Cline 2026-07-20 14:58:09 -05:00 • committed by GitHub
commit 0c18d06c9f
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7 changed files with 289 additions and 9 deletions
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packages/codemode/test/parity.test.ts
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@ -857,7 +857,6 @@ describe("coercion parity: ++ and -- use CodeMode numeric coercion", () => {
describe("coercion parity: unknown static members read as undefined", () => {
test("feature detection on missing statics works like native JS", async () => {
expect(await value(`return typeof Math.sum`)).toBe("undefined")
expect(await value(`return Object.groupBy === undefined`)).toBe(true)
expect(await value(`return RegExp.quote === undefined`)).toBe(true)
expect(await value(`return Number.range === undefined`)).toBe(true)
expect(await value(`return String.raw === undefined`)).toBe(true)
@ -866,7 +865,6 @@ describe("coercion parity: unknown static members read as undefined", () => {
expect(await value(`return Date.moment === undefined`)).toBe(true)
expect(await value(`return JSON.rawJSON === undefined`)).toBe(true)
expect(await value(`return URL.createObjectURL === undefined`)).toBe(true)
expect(await value(`return Map.groupBy === undefined`)).toBe(true)
expect(await value(`return Math.sum?.([1]) ?? "fallback"`)).toBe("fallback")
})
@ -876,6 +874,8 @@ describe("coercion parity: unknown static members read as undefined", () => {
expect(await value(`return typeof Date.now`)).toBe("function")
expect(await value(`return typeof Math.sumPrecise`)).toBe("function")
expect(await value(`return typeof RegExp.escape`)).toBe("function")
expect(await value(`return typeof Object.groupBy`)).toBe("function")
expect(await value(`return typeof Map.groupBy`)).toBe("function")
expect(await value(`return Math.max(1, 2)`)).toBe(2)
expect(await value(`return Math.sumPrecise([1, 2])`)).toBe(3)
expect(await value(`return RegExp.escape("a.b")`)).toBe("\\x61\\.b")