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Restructure rollup.config.js

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Now avoids duplication of common options between regular and legacy build.
Also adding more comments.
This commit is contained in:
Daniel
2022-02-02 22:32:04 +01:00
parent 60a2b3b2ce
commit d4bbd3b02d
3 changed files with 65 additions and 66 deletions
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qr-scanner.min.js.map
+1 -1
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qr-scanner.umd.min.js.map
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rollup.config.js
+63 -64
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@@ -22,71 +22,70 @@ function workerScriptToDynamicImport() {
};
}
export default [{
// library
input: 'src/qr-scanner.ts',
external: ['./qr-scanner-worker.min.js'],
output: [{
file: 'qr-scanner.min.js',
format: 'esm',
interop: false,
sourcemap: true,
}, {
file: 'qr-scanner.umd.min.js',
format: 'umd',
name: 'QrScanner',
interop: false,
sourcemap: true,
}],
plugins: [
typescript({
target: 'ES2017',
}),
closureCompiler({
language_in: 'ECMASCRIPT_2017',
export default () => [
...([
// standard build specific settings
{
output: [{
file: 'qr-scanner.min.js',
format: 'esm',
}, {
file: 'qr-scanner.umd.min.js',
format: 'umd',
name: 'QrScanner',
}],
language_out: 'ECMASCRIPT_2017',
rewrite_polyfills: false,
})
]
}, {
// library legacy build
input: 'src/qr-scanner.ts',
external: ['./qr-scanner-worker.min.js'],
output: [{
file: 'qr-scanner.legacy.min.js',
format: 'esm',
interop: false,
sourcemap: true,
}],
plugins: [
typescript({
target: 'ES2017',
}),
closureCompiler({
language_in: 'ECMASCRIPT_2017',
},
// legacy build specific settings
{
output: [{
file: 'qr-scanner.legacy.min.js',
format: 'esm',
}],
language_out: 'ECMASCRIPT6',
rewrite_polyfills: false,
})
]
}, {
},
].map((specificSettings) => ({
input: 'src/qr-scanner.ts',
// Note that this results in the dynamic import of the worker to also be a dynamic import in the umd build.
// However, umd builds do not support multiple chunks, so that's probably the best we can do, as js dynamic
// imports are now widely supported anyways.
external: ['./qr-scanner-worker.min.js'],
output: specificSettings.output.map((output) => ({
interop: false,
sourcemap: true,
...output,
})),
plugins: [
typescript({
target: 'ES2017',
}),
closureCompiler({
language_in: 'ECMASCRIPT_2017',
language_out: specificSettings.language_out,
rewrite_polyfills: false,
})
],
}))),
// worker
input: 'src/worker.ts',
output: {
file: 'qr-scanner-worker.min.js',
format: 'iife',
interop: false,
sourcemap: true,
{
input: 'src/worker.ts',
output: {
file: 'qr-scanner-worker.min.js',
format: 'iife',
interop: false,
sourcemap: true,
},
plugins: [
typescript(),
sourcemaps(),
closureCompiler({
//compilation_level: 'ADVANCED',
//warning_level: 'QUIET',
language_in: 'ECMASCRIPT6',
language_out: 'ECMASCRIPT6',
rewrite_polyfills: false,
}),
workerScriptToDynamicImport(),
]
},
plugins: [
typescript(),
sourcemaps(),
closureCompiler({
//compilation_level: 'ADVANCED',
//warning_level: 'QUIET',
language_in: 'ECMASCRIPT6',
language_out: 'ECMASCRIPT6',
rewrite_polyfills: false,
}),
workerScriptToDynamicImport(),
]
}];
];