Add a treemap chart to esbuild's bundle analyzer (#2848)
The bundler analyzer on esbuild's website (https://esbuild.github.io/analyze/) now has a treemap chart type in addition to the two existing chart types (sunburst and flame). This should be more familiar for people coming from other similar tools, as well as make better use of large screens.
Previously esbuild's decorator parser followed the original behavior of TypeScript's experimental decorators feature, which only allowed decorators to come before the export keyword. However, the upcoming JavaScript decorators feature also allows decorators to come after the export keyword. And with TypeScript 5.0, TypeScript now also allows experimental decorators to come after the export keyword too. So esbuild now allows this as well:
// This old syntax has always been permitted:
@decorator export class Foo {}
@decorator export default class Foo {}
// This new syntax is now permitted too:
export @decorator class Foo {}
export default @decorator class Foo {}
In addition, esbuild's decorator parser has been rewritten to fix several subtle and likely unimportant edge cases with esbuild's parsing of exports and decorators in TypeScript (e.g. TypeScript apparently does automatic semicolon insertion after interface and export interface but not after export default interface).
Pretty-print decorators using the same whitespace as the original
When printing code containing decorators, esbuild will now try to respect whether the original code contained newlines after the decorator or not. This can make generated code containing many decorators much more compact to read:
// Original code
class Foo {
@a @b @c abc
@x @y @z xyz
}
Add a treemap chart to esbuild's bundle analyzer (#2848)
The bundler analyzer on esbuild's website (https://esbuild.github.io/analyze/) now has a treemap chart type in addition to the two existing chart types (sunburst and flame). This should be more familiar for people coming from other similar tools, as well as make better use of large screens.
Previously esbuild's decorator parser followed the original behavior of TypeScript's experimental decorators feature, which only allowed decorators to come before the export keyword. However, the upcoming JavaScript decorators feature also allows decorators to come after the export keyword. And with TypeScript 5.0, TypeScript now also allows experimental decorators to come after the export keyword too. So esbuild now allows this as well:
// This old syntax has always been permitted:
@decorator export class Foo {}
@decorator export default class Foo {}
// This new syntax is now permitted too:
export @decorator class Foo {}
export default @decorator class Foo {}
In addition, esbuild's decorator parser has been rewritten to fix several subtle and likely unimportant edge cases with esbuild's parsing of exports and decorators in TypeScript (e.g. TypeScript apparently does automatic semicolon insertion after interface and export interface but not after export default interface).
Pretty-print decorators using the same whitespace as the original
When printing code containing decorators, esbuild will now try to respect whether the original code contained newlines after the decorator or not. This can make generated code containing many decorators much more compact to read:
// Original code
class Foo {
@a @b @c abc
@x @y @z xyz
}
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Bumps esbuild from 0.19.6 to 0.19.8.
Release notes
Sourced from esbuild's releases.
... (truncated)
Changelog
Sourced from esbuild's changelog.
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Commits
e97bd67
publish 0.19.8 to npm65b3058
mention the treemap in the release notes (#2848)16883d4
add whitespace change to release notes7383d0d
decorators: printing preserves newline-tail status7edc83d
reword an experimental decorators error messagef3d5352
remove a now-unused fielde755189
ts: forbid regular decorators ondeclare
fields69c9e7f
allow decorators to come afterexport
(#104)7baefdb
fix a panic with "export default interface\n"a8313d2
use "check" for decorator validation, not "guess"Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
.Dependabot commands and options
You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot show