Fix await using declarations inside async generator functions
I forgot about the new await using declarations when implementing lowering for async generator functions in the previous release. This change fixes the transformation of await using declarations when they are inside lowered async generator functions:
// Original code
async function* foo() {
await using x = await y
}
// Old output (with --supported:async-generator=false)
function foo() {
return __asyncGenerator(this, null, function* () {
await using x = yield new __await(y);
});
}
// New output (with --supported:async-generator=false)
function foo() {
return __asyncGenerator(this, null, function* () {
var _stack = [];
try {
const x = __using(stack, yield new __await(y), true);
} catch () {
var _error = _, _hasError = true;
} finally {
var _promise = __callDispose(_stack, _error, _hasError);
_promise && (yield new __await(_promise));
}
});
}
Insert some prefixed CSS properties when appropriate (#3122)
With this release, esbuild will now insert prefixed CSS properties in certain cases when the target setting includes browsers that require a certain prefix. This is currently done for the following properties:
This changelog documents all esbuild versions published in the year 2022 (versions 0.14.11 through 0.16.12).
0.16.12
Loader defaults to js for extensionless files (#2776)
Certain packages contain files without an extension. For example, the yargs package contains the file yargs/yargs which has no extension. Node, Webpack, and Parcel can all understand code that imports yargs/yargs because they assume that the file is JavaScript. However, esbuild was previously unable to understand this code because it relies on the file extension to tell it how to interpret the file. With this release, esbuild will now assume files without an extension are JavaScript files. This can be customized by setting the loader for "" (the empty string, representing files without an extension) to another loader. For example, if you want files without an extension to be treated as CSS instead, you can do that like this:
In addition, the "type" field in package.json files now only applies to files with an explicit .js, .jsx, .ts, or .tsx extension. Previously it was incorrectly applied by esbuild to all files that had an extension other than .mjs, .mts, .cjs, or .cts including extensionless files. So for example an extensionless file in a "type": "module" package is now treated as CommonJS instead of ESM.
0.16.11
Avoid a syntax error in the presence of direct eval (#2761)
The behavior of nested function declarations in JavaScript depends on whether the code is run in strict mode or not. It would be problematic if esbuild preserved nested function declarations in its output because then the behavior would depend on whether the output was run in strict mode or not instead of respecting the strict mode behavior of the original source code. To avoid this, esbuild transforms nested function declarations to preserve the intended behavior of the original source code regardless of whether the output is run in strict mode or not:
// Original code
if (true) {
function foo() {}
console.log(!!foo)
foo = null
console.log(!!foo)
}
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Bumps esbuild from 0.15.5 to 0.18.9.
Release notes
Sourced from esbuild's releases.
... (truncated)
Changelog
Sourced from esbuild's changelog.
... (truncated)
Commits
d568ff0
publish 0.18.9 to npm7e10dd6
fix #2041: add text loader data to source maps9ed47f5
fix #3122: prefix some more css properties9d8a7e5
prefix some css properties (#3122)33322d2
switch css minify from in-place to a new arraya4e2a1e
minify: shorter printing of ts enum property keysdc913df
printer: extract enum inlining into a helperdd65995
move release notes to the right place50f78c1
fix(compat-table): refine Destructuring support status (#3179)a7236e4
fix #2809: an obscure identifier minification bugDependabot 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 ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)