diff options
| -rw-r--r-- | src/js_parser.zig | 3 | ||||
| -rw-r--r-- | test/bun.js/transpiler.test.js | 84 |
2 files changed, 86 insertions, 1 deletions
diff --git a/src/js_parser.zig b/src/js_parser.zig index 0ea126be8..ce5ca997b 100644 --- a/src/js_parser.zig +++ b/src/js_parser.zig @@ -11300,7 +11300,8 @@ fn NewParser_( }, else => { // Handle the TypeScript "as" operator - if (is_typescript_enabled and level.lt(.compare) and !p.lexer.has_newline_before and p.lexer.isContextualKeyword("as")) { + // Handle the TypeScript "satisfies" operator + if (is_typescript_enabled and level.lt(.compare) and !p.lexer.has_newline_before and (p.lexer.isContextualKeyword("as") or p.lexer.isContextualKeyword("satisfies"))) { try p.lexer.next(); try p.skipTypeScriptType(.lowest); diff --git a/test/bun.js/transpiler.test.js b/test/bun.js/transpiler.test.js index 179097144..91803ef9b 100644 --- a/test/bun.js/transpiler.test.js +++ b/test/bun.js/transpiler.test.js @@ -105,6 +105,90 @@ describe("Bun.Transpiler", () => { it("export = {foo: 123}", () => { ts.expectPrinted_("export = {foo: 123}", "module.exports = { foo: 123 }"); }); + + it("satisfies", () => { + ts.expectPrinted_( + "const t1 = { a: 1 } satisfies I1;", + "const t1 = { a: 1 };\n" + ); + ts.expectPrinted_( + "const t2 = { a: 1, b: 1 } satisfies I1;", + "const t2 = { a: 1, b: 1 };\n" + ); + ts.expectPrinted_("const t3 = { } satisfies I1;", "const t3 = {};\n"); + ts.expectPrinted_( + "const t4: T1 = { a: 'a' } satisfies T1;", + 'const t4 = { a: "a" };\n' + ); + ts.expectPrinted_( + "const t5 = (m => m.substring(0)) satisfies T2;", + "const t5 = (m) => m.substring(0);\n" + ); + ts.expectPrinted_( + "const t6 = [1, 2] satisfies [number, number];", + "const t6 = [1, 2];\n" + ); + ts.expectPrinted_( + "let t7 = { a: 'test' } satisfies A;", + 'let t7 = { a: "test" };\n' + ); + ts.expectPrinted_( + "let t8 = { a: 'test', b: 'test' } satisfies A;", + 'let t8 = { a: "test", b: "test" };\n' + ); + ts.expectPrinted_( + "export default {} satisfies Foo;", + "export default {};\n" + ); + ts.expectPrinted_( + "export default { a: 1 } satisfies Foo;", + "export default { a: 1 };\n" + ); + ts.expectPrinted_( + "const p = { isEven: n => n % 2 === 0, isOdd: n => n % 2 === 1 } satisfies Predicates;", + "const p = { isEven: (n) => n % 2 === 0, isOdd: (n) => n % 2 === 1 };\n" + ); + ts.expectPrinted_( + "let obj: { f(s: string): void } & Record<string, unknown> = { f(s) { }, g(s) { } } satisfies { g(s: string): void } & Record<string, unknown>;", + "let obj = { f(s) {\n}, g(s) {\n} };\n" + ); + ts.expectPrinted_( + "const car = { start() { }, move(d) { }, stop() { } } satisfies Movable & Record<string, unknown>;", + "const car = { start() {\n}, move(d) {\n}, stop() {\n} };\n" + ); + ts.expectPrinted_( + "var v = undefined satisfies 1;", + "var v = undefined;\n" + ); + ts.expectPrinted_( + "const a = { x: 10 } satisfies Partial<Point2d>;", + "const a = { x: 10 };\n" + ); + ts.expectPrinted_( + 'const p = { a: 0, b: "hello", x: 8 } satisfies Partial<Record<Keys, unknown>>;', + 'const p = { a: 0, b: "hello", x: 8 };\n' + ); + ts.expectPrinted_( + 'const p = { a: 0, b: "hello", x: 8 } satisfies Record<Keys, unknown>;', + 'const p = { a: 0, b: "hello", x: 8 };\n' + ); + ts.expectPrinted_( + 'const x2 = { m: true, s: "false" } satisfies Facts;', + 'const x2 = { m: true, s: "false" };\n' + ); + ts.expectPrinted_( + "export const Palette = { white: { r: 255, g: 255, b: 255 }, black: { r: 0, g: 0, d: 0 }, blue: { r: 0, g: 0, b: 255 }, } satisfies Record<string, Color>;", + "export const Palette = { white: { r: 255, g: 255, b: 255 }, black: { r: 0, g: 0, d: 0 }, blue: { r: 0, g: 0, b: 255 } };\n" + ); + ts.expectPrinted_( + 'const a: "baz" = "foo" satisfies "foo" | "bar";', + 'const a = "foo";\n' + ); + ts.expectPrinted_( + 'const b: { xyz: "baz" } = { xyz: "foo" } satisfies { xyz: "foo" | "bar" };', + 'const b = { xyz: "foo" };\n' + ); + }); }); describe("generated closures", () => { |