List dependencies

scripts/list-deps.js

@@ -0,0 +1,57 @@
+#!/usr/bin/env node
+const fs = require('fs')
+const path = require('path')
+
+function getDependencies(root) {
+  const files = [path.resolve(root)]
+
+  const used = new Set()
+  const deps = []
+
+  while (files.length) {
+    const file = files.pop()
+    const contents = fs.readFileSync(file, 'utf8')
+    const match  = contents.match(/require\(".*?"\)/g)
+    console.log(file, match)
+    if (!match) {
+      continue
+    }
+    match
+    .map(m => m.substring('require("'.length, m.length - 2))
+    .map(dep => {
+      if (dep.startsWith('.')) {
+        return {
+          file: require.resolve(path.resolve(path.dirname(file), dep)),
+          isDep: false,
+        }
+      }
+      if (dep.startsWith('@rondo/')) {
+        return {
+          file: require.resolve(dep),
+          isDep: false
+        }
+      }
+      return {
+        file: dep,
+        isDep: true,
+      }
+    })
+    .filter(dep => !used.has(dep.file))
+    .forEach(dep => {
+      used.add(dep.file)
+      if (dep.isDep) {
+        if (require.resolve.paths(dep.file) !== null) {
+          // skip core modules
+          deps.push(dep.file)
+        }
+        return
+      }
+      files.push(dep.file)
+    })
+
+  }
+
+  return deps
+}
+
+console.log(getDependencies(process.argv[2]))