kitten.sh
1import commonjs from '@rollup/plugin-commonjs';
2import resolve from '@rollup/plugin-node-resolve';
3import sucrase from '@rollup/plugin-sucrase';
4import buble from '@rollup/plugin-buble';
5import terser from '@rollup/plugin-terser';
6import cjsCheck from 'rollup-plugin-cjs-check';
7import dts from 'rollup-plugin-dts';
8
9import flowTypings from './flow-typings-plugin.mjs';
10
11const commonPlugins = [
12 resolve({
13 extensions: ['.mjs', '.js', '.ts'],
14 mainFields: ['module', 'jsnext', 'main'],
15 preferBuiltins: false,
16 browser: true,
17 }),
18
19 commonjs({
20 ignoreGlobal: true,
21 include: /\/node_modules\//,
22 extensions: ['.mjs', '.js', '.ts'],
23 }),
24
25 sucrase({
26 exclude: ['node_modules/**'],
27 transforms: ['typescript']
28 }),
29];
30
31const jsPlugins = [
32 ...commonPlugins,
33 cjsCheck(),
34
35 buble({
36 transforms: {
37 unicodeRegExp: false,
38 defaultParameter: false,
39 dangerousForOf: true,
40 dangerousTaggedTemplateString: true,
41 destructuring: false,
42 asyncAwait: false,
43 arrow: false,
44 classes: false,
45 computedProperty: false,
46 conciseMethodProperty: false,
47 templateString: false,
48 objectRestSpread: false,
49 parameterDestructuring: false,
50 spreadRest: false,
51 },
52 exclude: 'node_modules/**',
53 }),
54
55 terser({
56 warnings: true,
57 ecma: 2015,
58 keep_fnames: true,
59 ie8: false,
60 compress: {
61 pure_getters: true,
62 toplevel: true,
63 booleans_as_integers: false,
64 keep_fnames: true,
65 keep_fargs: true,
66 if_return: false,
67 ie8: false,
68 sequences: false,
69 loops: false,
70 conditionals: false,
71 join_vars: false,
72 },
73 mangle: {
74 module: true,
75 keep_fnames: true,
76 },
77 output: {
78 beautify: true,
79 braces: true,
80 indent_level: 2,
81 },
82 }),
83];
84
85const dtsPlugins = [
86 ...commonPlugins,
87 dts(),
88 flowTypings(),
89];
90
91const output = format => {
92 const extension = format === 'esm' ? '.mjs' : '.js';
93 return {
94 chunkFileNames: '[hash]' + extension,
95 entryFileNames: '[name]' + extension,
96 dir: './dist',
97 exports: 'named',
98 sourcemap: true,
99 sourcemapExcludeSources: false,
100 indent: false,
101 freeze: false,
102 strict: false,
103 format,
104 // NOTE: All below settings are important for cjs-module-lexer to detect the export
105 // When this changes (and terser mangles the output) this will interfere with Node.js ESM intercompatibility
106 esModule: format !== 'esm',
107 externalLiveBindings: format !== 'esm',
108 generatedCode: {
109 preset: 'es5',
110 reservedNamesAsProps: false,
111 objectShorthand: false,
112 constBindings: false,
113 },
114 };
115};
116
117const commonConfig = {
118 input: {
119 wonka: './src/index.ts',
120 },
121 onwarn: () => {},
122 external: () => false,
123 treeshake: {
124 unknownGlobalSideEffects: false,
125 tryCatchDeoptimization: false,
126 moduleSideEffects: false,
127 },
128};
129
130const jsConfig = {
131 ...commonConfig,
132 plugins: jsPlugins,
133 output: [
134 output('esm'),
135 output('cjs'),
136 ],
137};
138
139const dtsConfig = {
140 ...commonConfig,
141 input: {
142 wonka: './src/index.ts',
143 },
144 onwarn: () => {},
145 external: () => false,
146 plugins: dtsPlugins,
147 treeshake: {
148 unknownGlobalSideEffects: false,
149 tryCatchDeoptimization: false,
150 moduleSideEffects: false,
151 },
152 output: {
153 dir: './dist',
154 entryFileNames: '[name].d.ts',
155 format: 'es'
156 },
157};
158
159export default [
160 jsConfig,
161 dtsConfig,
162];