bioinformatics-educational-react-apps/build.js at main · seqcode/bioinformatics-educational-react-apps · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
#!/usr/bin/env node

/**
 * Build script: converts Claude artifact TSX files into standalone HTML pages.
 *
 * For each subdirectory containing a .tsx file, it:
 *   1. Reads the TSX source
 *   2. Replaces `import { ... } from "react"` with `const { ... } = React;`
 *   3. Strips `export default` from the App component declaration
 *   4. Wraps everything in an HTML template with React + Babel standalone
 *   5. Writes index.html alongside the TSX file
 *
 * Usage:  node build.js
 */

const fs = require("fs");
const path = require("path");

const ROOT = __dirname;

// Derive a human-readable title from a kebab-case directory name
function dirToTitle(dirName) {
  return dirName
    .split("-")
    .map((w) => w.charAt(0).toUpperCase() + w.slice(1))
    .join(" ");
}

// Transform artifact TSX source into browser-ready JS (still JSX, compiled by Babel standalone)
function transformSource(source) {
  let code = source;

  // 1. Replace React imports with destructured globals
  //    Handles: import { useState, useRef, ... } from "react";
  //    Also handles single/double quotes and optional semicolon
  code = code.replace(
    /import\s*\{([^}]+)\}\s*from\s*["']react["'];?\s*\n?/g,
    (_, names) => {
      const cleaned = names
        .split(",")
        .map((n) => n.trim())
        .filter(Boolean)
        .join(", ");
      return `const { ${cleaned} } = React;\n`;
    }
  );

  // 2. Remove any other import statements (e.g. CSS modules, other libs)
  //    that would fail in a browser context — unlikely for these artifacts but safe
  code = code.replace(/^import\s+.*from\s+["'].*["'];?\s*$/gm, "// [import removed]");

  // 3. Strip `export default` from function declarations
  //    export default function App() { ... }  →  function App() { ... }
  code = code.replace(/export\s+default\s+function\s+/g, "function ");

  // 4. Strip standalone `export default App;` statements
  code = code.replace(/^export\s+default\s+\w+;?\s*$/gm, "");

  return code;
}

function buildHTML(title, jsCode) {
  return `<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>${title}</title>
  <script src="https://unpkg.com/react@18/umd/react.production.min.js"><\/script>
  <script src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js"><\/script>
  <script src="https://unpkg.com/@babel/standalone/babel.min.js"><\/script>
  <style>
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { font-family: system-ui, -apple-system, sans-serif; }
  </style>
</head>
<body>
  <div id="root"></div>
  <script type="text/babel">
${jsCode}

ReactDOM.createRoot(document.getElementById("root")).render(<App />);
  <\/script>
</body>
</html>
`;
}

// ── Main ──────────────────────────────────────────────────────────────────────

const entries = fs.readdirSync(ROOT, { withFileTypes: true });
let built = 0;

for (const entry of entries) {
  if (!entry.isDirectory()) continue;
  // Skip hidden dirs (.git, .claude, etc.)
  if (entry.name.startsWith(".")) continue;

  const dirPath = path.join(ROOT, entry.name);
  const files = fs.readdirSync(dirPath);
  const tsxFile = files.find((f) => f.endsWith(".tsx"));

  if (!tsxFile) continue;

  const tsxPath = path.join(dirPath, tsxFile);
  const source = fs.readFileSync(tsxPath, "utf-8");
  const title = dirToTitle(entry.name);
  const jsCode = transformSource(source);
  const html = buildHTML(title, jsCode);
  const outPath = path.join(dirPath, "index.html");

  fs.writeFileSync(outPath, html, "utf-8");
  built++;
  console.log(`  ${entry.name}/${tsxFile} -> index.html  (${title})`);
}

console.log(`\nBuilt ${built} app(s).`);