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refactor: Use ESBuild in prod if a user does not require Babel #114

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Merged
merged 4 commits into from
Mar 18, 2024
Merged

refactor: Use ESBuild in prod if a user does not require Babel #114

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0f165c9
refactor: Use ESBuild in prod if a user doesn't require Babel
rschristian Mar 16, 2024
a5ff486
refactor: Should be able to get away with a simpler Babel check
rschristian Mar 16, 2024
48b5c76
chore: Formatting
rschristian Mar 18, 2024
0fddc4f
chore: Add comment to ESBuild config
rschristian Mar 18, 2024
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10 changes: 9 additions & 1 deletion src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,7 @@ function preactPlugin({
babelOptions.parserOpts ||= {} as any;
babelOptions.parserOpts.plugins ||= [];

let useBabel: boolean;
const shouldTransform = createFilter(
include || [/\.[tj]sx?$/],
exclude || [/node_modules/],
Expand All @@ -151,6 +152,10 @@ function preactPlugin({
},
},
},
esbuild: {
jsx: "automatic",
jsxImportSource: jsxImportSource ?? "preact",
},
optimizeDeps: {
include: ["preact/jsx-runtime", "preact/jsx-dev-runtime"],
},
Expand All @@ -160,12 +165,15 @@ function preactPlugin({
config = resolvedConfig;
devToolsEnabled =
devToolsEnabled ?? (!config.isProduction || devtoolsInProd);

useBabel =
!config.isProduction || devToolsEnabled || typeof babel !== "undefined";
},
async transform(code, url) {
// Ignore query parameters, as in Vue SFC virtual modules.
const { id } = parseId(url);

if (!shouldTransform(id)) return;
if (!useBabel || !shouldTransform(id)) return;

const parserPlugins = [
...baseParserOptions,
Expand Down