Skip to content

fix(@angular-devkit/build-angular): prevent optimization adding unsupported ECMASCript features #24353

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Dec 1, 2022
Merged

fix(@angular-devkit/build-angular): prevent optimization adding unsupported ECMASCript features #24353

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 3 additions & 2 deletions packages/angular_devkit/build_angular/src/webpack/plugins/javascript-optimizer-worker.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -190,8 +190,9 @@ async function optimizeWithTerser(
passes: advanced ? 2 : 1,
pure_getters: advanced,
},
// terser only supports up to ES2020
ecma: 2020,
// Set to ES2015 to prevent higher level features from being introduced when browserslist
// contains older browsers. The build system requires browsers to support ES2015 at a minimum.
ecma: 2015,
// esbuild in the first pass is used to minify identifiers instead of mangle here
mangle: false,
// esbuild in the first pass is used to minify function names
Expand Down