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Charles Lyding 3acb776831 perf(@angular/build): use direct transpilation with isolated modules

When using the application builder and the TypeScript `isolatedModules`
option is enabled and script sourcemaps are disabled, TypeScript code
will be transpiled via the bundler instead of the current behavior of
using TypeScript. The use of the `isolatedModules` option ensures that
TypeScript code can be safely transpiled without the need for the type-checker.
This mode of operation has several advantages. The bundler (esbuild in this case)
will know have knowledge of the TypeScript code constructs, such as enums, and can
optimize the output code based on that knowledge including inlining both
const and regular enums where possible. Additionally, this allows for
the removal of the babel-based optimization passes for all TypeScript
code. These passes are still present for all JavaScript code such as
from third-party libraries/packages. These advantages lead to an
improvement in build time, especially in production configurations.
To ensure optimal output code size in this setup, the `useDefineForClassFields`
TypeScript option should either be removed or set to `true` which
enables ECMAScript standard compliant behavior.

Initial testing reduced a warm production build of a newly generated
project from ~2.3 seconds to ~2.0 seconds.

2024-06-05 11:38:47 -04:00

src

perf(@angular/build): use direct transpilation with isolated modules

2024-06-05 11:38:47 -04:00

BUILD.bazel

perf(@angular/build): add persistent caching of JavaScript transformations

2024-05-14 11:28:31 +02:00

builders.json

feat(@angular-devkit/build-angular): move i18n extraction for application builder to new build system package

2024-04-24 07:06:38 -04:00

package.json

build: update all non-major dependencies