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rollup.config.js
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rollup.config.js
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/**
* @license
* Copyright 2020 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { resolve } from 'path';
import resolveModule from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import sourcemaps from 'rollup-plugin-sourcemaps';
import rollupTypescriptPlugin from 'rollup-plugin-typescript2';
import typescript from 'typescript';
import { uglify } from 'rollup-plugin-uglify';
import json from '@rollup/plugin-json';
import pkg from './package.json';
import appPkg from './app/package.json';
const external = Object.keys(pkg.dependencies || {});
/**
* Global UMD Build
*/
const GLOBAL_NAME = 'firebase';
function createUmdOutputConfig(output, componentName) {
return {
file: output,
format: 'umd',
sourcemap: true,
extend: true,
name: `${GLOBAL_NAME}.${componentName}`,
globals: {
'@firebase/app-exp': `${GLOBAL_NAME}.app`
},
/**
* use iife to avoid below error in the old Safari browser
* SyntaxError: Functions cannot be declared in a nested block in strict mode
* https://github.com/firebase/firebase-js-sdk/issues/1228
*
*/
intro: `
try {
(function() {`,
outro: `
}).apply(this, arguments);
} catch(err) {
console.error(err);
throw new Error(
'Cannot instantiate ${output} - ' +
'be sure to load firebase-app.js first.'
);
}`
};
}
const plugins = [sourcemaps(), resolveModule(), json(), commonjs()];
const typescriptPlugin = rollupTypescriptPlugin({
typescript
});
const typescriptPluginUMD = rollupTypescriptPlugin({
typescript,
tsconfigOverride: {
compilerOptions: {
declaration: false
}
}
});
/**
* Individual Component Builds
*/
const appBuilds = [
/**
* App Browser Builds
*/
{
input: 'app/index.ts',
output: [
{ file: resolve('app', appPkg.main), format: 'cjs', sourcemap: true },
{ file: resolve('app', appPkg.module), format: 'es', sourcemap: true }
],
plugins: [...plugins, typescriptPlugin],
external
},
/**
* App UMD Builds
*/
{
input: 'app/index.cdn.ts',
output: {
file: 'firebase-app.js',
sourcemap: true,
format: 'umd',
name: `${GLOBAL_NAME}.app`
},
plugins: [...plugins, typescriptPluginUMD, uglify()]
}
];
const componentBuilds = pkg.components
// The "app" component is treated differently because it doesn't depend on itself.
.filter(component => component !== 'app')
.map(component => {
const pkg = require(`./${component}/package.json`);
// It is needed for handling sub modules, for example firestore/lite which should produce firebase-firestore-lite.js
// Otherwise, we will create a directory with '/' in the name.
const componentName = component.replace('/', '-');
return [
{
input: `${component}/index.ts`,
output: [
{
file: resolve(component, pkg.main),
format: 'cjs',
sourcemap: true
},
{
file: resolve(component, pkg.module),
format: 'es',
sourcemap: true
}
],
plugins: [...plugins, typescriptPlugin],
external
},
{
input: `${component}/index.ts`,
output: createUmdOutputConfig(
`firebase-${componentName}.js`,
componentName
),
plugins: [...plugins, typescriptPluginUMD, uglify()],
external: ['@firebase/app-exp']
}
];
})
.reduce((a, b) => a.concat(b), []);
export default [...appBuilds, ...componentBuilds];