Merge pull request #3 from csstools/shared-rollup-config

shared rollup config

Author: Antonio-Laguna

rollup/default.js

@@ -0,0 +1,91 @@
+import babel from '@rollup/plugin-babel';
+import commonjs from '@rollup/plugin-commonjs';
+import path from 'path';
+import { nodeResolve } from '@rollup/plugin-node-resolve';
+import { terser } from 'rollup-plugin-terser';
+
+export default [
+	{
+		input: 'src/index.js',
+		output: [
+			{ file: 'dist/index.cjs', format: 'cjs', sourcemap: true, exports: 'auto' },
+			{ file: 'dist/index.mjs', format: 'esm', sourcemap: true, exports: 'auto' },
+		],
+		onwarn: (warning) => {
+			// Silence circular dependency warning for postcss-values-parsers package
+			if (
+				warning.code === 'CIRCULAR_DEPENDENCY' &&
+				warning.importer.indexOf('node_modules/postcss-values-parser/lib') > -1
+			) {
+				return;
+			}
+
+			console.warn(`(!) ${warning.message}`);
+		},
+		plugins: [
+			babel({
+				babelHelpers: 'bundled',
+				exclude: 'node_modules/**',
+				presets: [
+					['@babel/preset-env', {
+						corejs: 3,
+						loose: true,
+						modules: false,
+						targets: { node: 12 },
+						useBuiltIns: 'usage',
+					}],
+				],
+			}),
+			terser(),
+		],
+	},
+	{
+		input: 'src/cli.js',
+		output: [
+			{ file: 'dist/cli.mjs', format: 'esm', sourcemap: false },
+		],
+		onwarn: (warning) => {
+			// Silence circular dependency warning for postcss-values-parsers package
+			if (
+				warning.code === 'CIRCULAR_DEPENDENCY' &&
+				warning.importer.indexOf('node_modules/postcss-values-parser/lib') > -1
+			) {
+				return;
+			}
+
+			console.warn(`(!) ${warning.message}`);
+		},
+		plugins: [
+			commonjs(),
+			nodeResolve({
+				rootDir: path.join(process.cwd(), '..', '..'),
+			}),
+			babel({
+				babelHelpers: 'bundled',
+				exclude: 'node_modules/**',
+				presets: [
+					['@babel/preset-env', {
+						corejs: 3,
+						loose: true,
+						modules: false,
+						targets: { node: 12 },
+						useBuiltIns: 'usage',
+					}],
+				],
+			}),
+			terser(),
+			addHashBang(),
+		],
+	},
+];
+
+function addHashBang () {
+	return {
+		name: 'add-hash-bang',
+		renderChunk (code) {
+			const updatedCode = `#!/usr/bin/env node\n\n${code}`;
+
+			return updatedCode;
+		},
+	};
+}

rollup/default.ts.js

@@ -0,0 +1,86 @@
+import babel from '@rollup/plugin-babel';
+import commonjs from '@rollup/plugin-commonjs';
+import path from 'path';
+import typescript from '@rollup/plugin-typescript';
+import { nodeResolve } from '@rollup/plugin-node-resolve';
+import { terser } from 'rollup-plugin-terser';
+
+export default [
+	{
+		input: 'src/index.ts',
+		output: [
+			{ file: 'dist/index.cjs', format: 'cjs', sourcemap: true, exports: 'auto' },
+			{ file: 'dist/index.mjs', format: 'esm', sourcemap: true, exports: 'auto' },
+		],
+		external: [
+			'postcss-values-parser',
+		],
+		plugins: [
+			typescript({ tsconfig: './tsconfig.json' }),
+			babel({
+				babelHelpers: 'bundled',
+				exclude: 'node_modules/**',
+				presets: [
+					['@babel/preset-env', {
+						corejs: 3,
+						loose: true,
+						modules: false,
+						targets: { node: 12 },
+						useBuiltIns: 'usage',
+					}],
+				],
+			}),
+			terser(),
+		],
+	},
+	{
+		input: 'src/cli.ts',
+		output: [
+			{ file: 'dist/cli.mjs', format: 'esm', sourcemap: false },
+		],
+		onwarn: (warning) => {
+			// Silence circular dependency warning for postcss-values-parsers package
+			if (
+				warning.code === 'CIRCULAR_DEPENDENCY' &&
+				warning.importer.indexOf('node_modules/postcss-values-parser/lib') > -1
+			) {
+				return;
+			}
+
+			console.warn(`(!) ${warning.message}`);
+		},
+		plugins: [
+			typescript({ tsconfig: './tsconfig.json' }),
+			commonjs(),
+			nodeResolve({
+				rootDir: path.join(process.cwd(), '..', '..'),
+			}),
+			babel({
+				babelHelpers: 'bundled',
+				exclude: 'node_modules/**',
+				presets: [
+					['@babel/preset-env', {
+						corejs: 3,
+						loose: true,
+						modules: false,
+						targets: { node: 12 },
+						useBuiltIns: 'usage',
+					}],
+				],
+			}),
+			terser(),
+			addHashBang(),
+		],
+	},
+];
+
+function addHashBang () {
+	return {
+		name: 'add-hash-bang',
+		renderChunk (code) {
+			const updatedCode = `#!/usr/bin/env node\n\n${code}`;
+
+			return updatedCode;
+		},
+	};
+}