kitten.sh
1import { resolve, basename } from 'path';
2import commonjs from '@rollup/plugin-commonjs';
3import nodeResolve from '@rollup/plugin-node-resolve';
4import typescript from 'rollup-plugin-typescript2';
5import buble from '@rollup/plugin-buble';
6import babel from 'rollup-plugin-babel';
7import { terser } from 'rollup-plugin-terser';
8import compiler from '@ampproject/rollup-plugin-closure-compiler';
9
10import minifyBucklescript from './scripts/minify-bucklescript-plugin';
11
12const cwd = process.cwd();
13const pkgInfo = require('./package.json');
14const name = basename(pkgInfo.main, '.js');
15
16const terserPretty = terser({
17 sourcemap: true,
18 warnings: true,
19 ecma: 5,
20 keep_fnames: true,
21 ie8: false,
22 compress: {
23 pure_getters: true,
24 toplevel: true,
25 booleans_as_integers: false,
26 keep_fnames: true,
27 keep_fargs: true,
28 if_return: false,
29 ie8: false,
30 sequences: false,
31 loops: false,
32 conditionals: false,
33 join_vars: false,
34 },
35 mangle: false,
36 output: {
37 beautify: true,
38 braces: true,
39 indent_level: 2,
40 },
41});
42
43const terserMinified = terser({
44 sourcemap: true,
45 warnings: true,
46 ecma: 5,
47 ie8: false,
48 toplevel: true,
49 mangle: true,
50 compress: {
51 keep_infinity: true,
52 pure_getters: true,
53 passes: 10,
54 },
55 output: {
56 comments: false,
57 },
58});
59
60const importAllPlugin = ({ types: t }) => ({
61 visitor: {
62 VariableDeclarator(path) {
63 if (
64 t.isIdentifier(path.node.id) &&
65 t.isCallExpression(path.node.init) &&
66 t.isIdentifier(path.node.init.callee) &&
67 path.node.init.callee.name === 'require' &&
68 path.node.init.arguments.length === 1
69 ) {
70 path.parentPath.replaceWith(
71 t.importDeclaration(
72 [t.importNamespaceSpecifier(path.node.id)],
73 path.node.init.arguments[0]
74 )
75 );
76 }
77 },
78 },
79});
80
81const makePlugins = (isProduction) =>
82 [
83 babel({
84 babelrc: false,
85 extensions: ['ts', 'tsx', 'js'],
86 exclude: 'node_modules/**',
87 presets: [],
88 plugins: ['@babel/plugin-syntax-typescript', importAllPlugin],
89 }),
90 typescript({
91 typescript: require('typescript'),
92 cacheRoot: './node_modules/.cache/.rts2_cache',
93 useTsconfigDeclarationDir: true,
94 tsconfigOverride: {
95 compilerOptions: {
96 strict: false,
97 noUnusedParameters: false,
98 declaration: !isProduction,
99 declarationDir: resolve(cwd, './dist/types/'),
100 target: 'esnext',
101 module: 'es2015',
102 rootDir: cwd,
103 },
104 },
105 }),
106 commonjs({
107 ignoreGlobal: true,
108 include: ['*', '**'],
109 extensions: ['.js', '.ts', '.tsx'],
110 }),
111 nodeResolve({
112 mainFields: ['module', 'jsnext', 'main'],
113 extensions: ['.js', '.ts', '.tsx'],
114 browser: true,
115 }),
116 buble({
117 transforms: {
118 unicodeRegExp: false,
119 dangerousForOf: true,
120 dangerousTaggedTemplateString: true,
121 },
122 objectAssign: 'Object.assign',
123 exclude: 'node_modules/**',
124 }),
125 babel({
126 babelrc: false,
127 extensions: ['ts', 'tsx', 'js'],
128 exclude: 'node_modules/**',
129 presets: [],
130 plugins: ['babel-plugin-closure-elimination'],
131 }),
132 minifyBucklescript(),
133 compiler({
134 formatting: 'PRETTY_PRINT',
135 compilation_level: 'SIMPLE_OPTIMIZATIONS',
136 }),
137 isProduction ? terserMinified : terserPretty,
138 ].filter(Boolean);
139
140const config = {
141 input: './src/Wonka.ts',
142 onwarn: () => {},
143 external: () => false,
144 treeshake: {
145 propertyReadSideEffects: false,
146 },
147};
148
149export default [
150 {
151 ...config,
152 plugins: makePlugins(false),
153 output: [
154 {
155 legacy: true,
156 freeze: false,
157 esModule: false,
158 file: `./dist/${name}.js`,
159 format: 'cjs',
160 },
161 {
162 compact: true,
163 file: `./dist/${name}.mjs`,
164 format: 'esm',
165 },
166 ],
167 },
168 {
169 ...config,
170 plugins: makePlugins(true),
171 output: [
172 {
173 legacy: true,
174 freeze: false,
175 esModule: false,
176 file: `./dist/${name}.min.js`,
177 format: 'cjs',
178 },
179 ],
180 },
181];