Reproduction case for 75lb/command-line-args#99

.gitignore

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+node_modules
+

index.js

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+import commandLineArgs from 'command-line-args'
+
+commandLineArgs([
+  { name: 'verbose', alias: 'v', type: Boolean },
+  { name: 'src', type: String, multiple: true, defaultOption: true },
+  { name: 'timeout', alias: 't', type: Number }
+]);
+

package.json

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+{
+  "devDependencies": {
+    "rollup": "^1.6.0",
+    "rollup-plugin-commonjs": "^9.2.1",
+    "rollup-plugin-node-resolve": "^4.0.1"
+  },
+  "dependencies": {
+    "command-line-args": "^5.0.2"
+  },
+  "scripts": {
+    "rollup": "rollup -c"
+  }
+}

rollup.config.js

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+import resolve from 'rollup-plugin-node-resolve'
+import commonjs from 'rollup-plugin-commonjs'
+
+export default [
+  {
+    input: 'index.js',
+    output: {
+      file: 'one.js',
+      strict: true,
+      format: 'cjs'
+    },
+    plugins: [
+      resolve({
+        jsnext: true,
+        main: true,
+        preferBuiltins: true
+      }),
+      commonjs({
+        include: ['./node_modules/**'],
+        ignore: true,
+      })
+    ]
+  }
+]