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fix: Ensure terser fully removes unused SuppressedError helper
  • Loading branch information
rschristian committed Jan 8, 2025
commit de49a519f4a08b11a502c7501129f3739a823603
5 changes: 5 additions & 0 deletions src/index.js
Original file line number Diff line number Diff line change
Expand Up @@ -619,6 +619,11 @@ function createConfig(options, entry, format, writeMeta) {
{
keep_infinity: true,
pure_getters: true,
global_defs: {
// tslib helper for `using` & `await using` that otherwise
// wouldn't be fully removed when unused
SuppressedError: 'undefined',
},
// Ideally we'd just get Terser to respect existing Arrow functions...
// unsafe_arrows: true,
passes: 10,
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18 changes: 9 additions & 9 deletions test/__snapshots__/index.test.js.snap
Original file line number Diff line number Diff line change
Expand Up @@ -1193,30 +1193,30 @@ class-decorators-ts


Build \\"class-decorators-ts\\" to dist:
370 B: class-decorators-ts.js.gz
311 B: class-decorators-ts.js.br
367 B: class-decorators-ts.esm.mjs.gz
302 B: class-decorators-ts.esm.mjs.br
435 B: class-decorators-ts.umd.js.gz
380 B: class-decorators-ts.umd.js.br"
348 B: class-decorators-ts.js.gz
288 B: class-decorators-ts.js.br
348 B: class-decorators-ts.esm.mjs.gz
288 B: class-decorators-ts.esm.mjs.br
414 B: class-decorators-ts.umd.js.gz
374 B: class-decorators-ts.umd.js.br"
`;

exports[`fixtures build class-decorators-ts with microbundle 2`] = `7`;

exports[`fixtures build class-decorators-ts with microbundle 3`] = `
"\\"function\\"==typeof SuppressedError&&SuppressedError;var e=/*#__PURE__*/function(){function e(e){this.greeting=e}return e.prototype.greet=function(){return\\"Hello, \\"+this.greeting},e}(),t=new(e=function(e,t,r,o){var n,c=arguments.length,f=c<3?t:null===o?o=Object.getOwnPropertyDescriptor(t,r):o;if(\\"object\\"==typeof Reflect&&\\"function\\"==typeof Reflect.decorate)f=Reflect.decorate(e,t,r,o);else for(var l=e.length-1;l>=0;l--)(n=e[l])&&(f=(c<3?n(f):c>3?n(t,r,f):n(t,r))||f);return c>3&&f&&Object.defineProperty(t,r,f),f}([function(e){Object.seal(e),Object.seal(e.prototype)}],e))(\\"Hello World\\");export default t;
"var e=/*#__PURE__*/function(){function e(e){this.greeting=e}return e.prototype.greet=function(){return\\"Hello, \\"+this.greeting},e}(),t=new(e=function(e,t,r,n){var o,c=arguments.length,l=c<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,r):n;if(\\"object\\"==typeof Reflect&&\\"function\\"==typeof Reflect.decorate)l=Reflect.decorate(e,t,r,n);else for(var f=e.length-1;f>=0;f--)(o=e[f])&&(l=(c<3?o(l):c>3?o(t,r,l):o(t,r))||l);return c>3&&l&&Object.defineProperty(t,r,l),l}([function(e){Object.seal(e),Object.seal(e.prototype)}],e))(\\"Hello World\\");export default t;
//# sourceMappingURL=class-decorators-ts.esm.mjs.map
"
`;

exports[`fixtures build class-decorators-ts with microbundle 4`] = `
"\\"function\\"==typeof SuppressedError&&SuppressedError;var e=/*#__PURE__*/function(){function e(e){this.greeting=e}return e.prototype.greet=function(){return\\"Hello, \\"+this.greeting},e}(),t=new(e=function(e,t,r,o){var n,c=arguments.length,f=c<3?t:null===o?o=Object.getOwnPropertyDescriptor(t,r):o;if(\\"object\\"==typeof Reflect&&\\"function\\"==typeof Reflect.decorate)f=Reflect.decorate(e,t,r,o);else for(var l=e.length-1;l>=0;l--)(n=e[l])&&(f=(c<3?n(f):c>3?n(t,r,f):n(t,r))||f);return c>3&&f&&Object.defineProperty(t,r,f),f}([function(e){Object.seal(e),Object.seal(e.prototype)}],e))(\\"Hello World\\");module.exports=t;
"var e=/*#__PURE__*/function(){function e(e){this.greeting=e}return e.prototype.greet=function(){return\\"Hello, \\"+this.greeting},e}(),t=new(e=function(e,t,r,o){var n,c=arguments.length,l=c<3?t:null===o?o=Object.getOwnPropertyDescriptor(t,r):o;if(\\"object\\"==typeof Reflect&&\\"function\\"==typeof Reflect.decorate)l=Reflect.decorate(e,t,r,o);else for(var f=e.length-1;f>=0;f--)(n=e[f])&&(l=(c<3?n(l):c>3?n(t,r,l):n(t,r))||l);return c>3&&l&&Object.defineProperty(t,r,l),l}([function(e){Object.seal(e),Object.seal(e.prototype)}],e))(\\"Hello World\\");module.exports=t;
//# sourceMappingURL=class-decorators-ts.js.map
"
`;

exports[`fixtures build class-decorators-ts with microbundle 5`] = `
"!function(e,t){\\"object\\"==typeof exports&&\\"undefined\\"!=typeof module?module.exports=t():\\"function\\"==typeof define&&define.amd?define(t):(e||self).classDecoratorsTs=t()}(this,function(){\\"function\\"==typeof SuppressedError&&SuppressedError;var e=/*#__PURE__*/function(){function e(e){this.greeting=e}return e.prototype.greet=function(){return\\"Hello, \\"+this.greeting},e}();return e=function(e,t,o,n){var r,f=arguments.length,i=f<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,o):n;if(\\"object\\"==typeof Reflect&&\\"function\\"==typeof Reflect.decorate)i=Reflect.decorate(e,t,o,n);else for(var c=e.length-1;c>=0;c--)(r=e[c])&&(i=(f<3?r(i):f>3?r(t,o,i):r(t,o))||i);return f>3&&i&&Object.defineProperty(t,o,i),i}([function(e){Object.seal(e),Object.seal(e.prototype)}],e),new e(\\"Hello World\\")});
"!function(e,t){\\"object\\"==typeof exports&&\\"undefined\\"!=typeof module?module.exports=t():\\"function\\"==typeof define&&define.amd?define(t):(e||self).classDecoratorsTs=t()}(this,function(){var e=/*#__PURE__*/function(){function e(e){this.greeting=e}return e.prototype.greet=function(){return\\"Hello, \\"+this.greeting},e}();return e=function(e,t,o,n){var r,f=arguments.length,i=f<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,o):n;if(\\"object\\"==typeof Reflect&&\\"function\\"==typeof Reflect.decorate)i=Reflect.decorate(e,t,o,n);else for(var c=e.length-1;c>=0;c--)(r=e[c])&&(i=(f<3?r(i):f>3?r(t,o,i):r(t,o))||i);return f>3&&i&&Object.defineProperty(t,o,i),i}([function(e){Object.seal(e),Object.seal(e.prototype)}],e),new e(\\"Hello World\\")});
//# sourceMappingURL=class-decorators-ts.umd.js.map
"
`;
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