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Add field to package.json to output an unminified build #1097

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Add field to package.json to output an unminified build #1097

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e5ef7eb
Add CLAUDE.md
andrewiggins Oct 23, 2025
0087221
Add debug output format
andrewiggins Oct 23, 2025
1e852df
Define `shouldCompress` var to make compress determination once
andrewiggins Oct 23, 2025
bf19e48
Format debug build using prettier
andrewiggins Oct 24, 2025
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Define shouldCompress var to make compress determination once
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@andrewiggins
andrewiggins committed Oct 24, 2025
commit 1e852df2c79906b168e3c9e6637bd23235dd79b8
98 changes: 49 additions & 49 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -386,6 +386,7 @@ function createConfig(options, entry, format, writeMeta) {
}

const modern = format === 'modern' || format === 'debug';
const shouldCompress = options.compress !== false && format !== 'debug';

// let rollupName = safeVariableName(basename(entry).replace(/\.js$/, ''));

Expand Down Expand Up @@ -504,7 +505,7 @@ function createConfig(options, entry, format, writeMeta) {
!!writeMeta &&
options.css !== 'inline' &&
absMain.replace(EXTENSION, '.css'),
minimize: options.compress,
minimize: shouldCompress,
sourceMap: options.sourcemap && options.css !== 'inline',
}),
moduleAliases.length > 0 &&
Expand Down Expand Up @@ -593,63 +594,62 @@ function createConfig(options, entry, format, writeMeta) {
custom: {
defines,
modern,
compress: options.compress !== false && format !== 'debug',
compress: shouldCompress,
targets: options.target === 'node' ? { node: '12' } : undefined,
pragma: options.jsx,
pragmaFrag: options.jsxFragment,
typescript: !!useTypescript,
jsxImportSource: options.jsxImportSource || false,
},
}),
options.compress !== false &&
format !== 'debug' && [
terser({
compress: Object.assign(
{
keep_infinity: true,
pure_getters: true,
// Ideally we'd just get Terser to respect existing Arrow functions...
// unsafe_arrows: true,
passes: 10,
},
typeof minifyOptions.compress === 'boolean'
? minifyOptions.compress
: minifyOptions.compress || {},
),
format: {
// By default, Terser wraps function arguments in extra parens to trigger eager parsing.
// Whether this is a good idea is way too specific to guess, so we optimize for size by default:
wrap_func_args: false,
comments: /^\s*([@#]__[A-Z]+__\s*$|@cc_on)/,
preserve_annotations: true,
},
module: modern,
ecma: modern ? 2017 : 5,
toplevel: modern || format === 'cjs' || format === 'es',
mangle:
typeof minifyOptions.mangle === 'boolean'
? minifyOptions.mangle
: Object.assign({}, minifyOptions.mangle || {}),
nameCache,
}),
nameCache && {
// before hook
options: loadNameCache,
// after hook
writeBundle() {
if (writeMeta && nameCache) {
let filename = getNameCachePath();
let json = JSON.stringify(
nameCache,
null,
nameCacheIndentTabs ? '\t' : 2,
);
if (endsWithNewLine) json += EOL;
fs.writeFile(filename, json, () => {});
}
shouldCompress && [
terser({
compress: Object.assign(
{
keep_infinity: true,
pure_getters: true,
// Ideally we'd just get Terser to respect existing Arrow functions...
// unsafe_arrows: true,
passes: 10,
},
typeof minifyOptions.compress === 'boolean'
? minifyOptions.compress
: minifyOptions.compress || {},
),
format: {
// By default, Terser wraps function arguments in extra parens to trigger eager parsing.
// Whether this is a good idea is way too specific to guess, so we optimize for size by default:
wrap_func_args: false,
comments: /^\s*([@#]__[A-Z]+__\s*$|@cc_on)/,
preserve_annotations: true,
},
module: modern,
ecma: modern ? 2017 : 5,
toplevel: modern || format === 'cjs' || format === 'es',
mangle:
typeof minifyOptions.mangle === 'boolean'
? minifyOptions.mangle
: Object.assign({}, minifyOptions.mangle || {}),
nameCache,
}),
nameCache && {
// before hook
options: loadNameCache,
// after hook
writeBundle() {
if (writeMeta && nameCache) {
let filename = getNameCachePath();
let json = JSON.stringify(
nameCache,
null,
nameCacheIndentTabs ? '\t' : 2,
);
if (endsWithNewLine) json += EOL;
fs.writeFile(filename, json, () => {});
}
},
],
},
],
options.visualize && visualizer(),
// NOTE: OMT only works with amd and esm
// Source: https://github.com/surma/rollup-plugin-off-main-thread#config
Expand Down