[next] Bring in stdlib as artifact (#1666)

pyscript.core/rollup/core.config.js

@@ -3,14 +3,8 @@
 
 import { nodeResolve } from "@rollup/plugin-node-resolve";
 import terser from "@rollup/plugin-terser";
-import { string } from "rollup-plugin-string";
 
-const plugins = [
-    string({
-        // Required to be specified
-        include: "**/*.py",
-    }),
-];
+const plugins = [];
 
 export default {
     input: "./src/core.js",

pyscript.core/rollup/stdlib.cjs

@@ -0,0 +1,29 @@
+const {
+    readdirSync,
+    readFileSync,
+    statSync,
+    writeFileSync,
+} = require("node:fs");
+const { join } = require("node:path");
+
+const crawl = (path, json) => {
+    for (const file of readdirSync(path)) {
+        const full = join(path, file);
+        if (/\.py$/.test(file)) json[file] = readFileSync(full).toString();
+        else if (statSync(full).isDirectory() && !file.endsWith("_"))
+            crawl(full, (json[file] = {}));
+    }
+};
+
+const json = {};
+
+crawl(join(__dirname, "..", "src", "stdlib"), json);
+
+writeFileSync(
+    join(__dirname, "..", "src", "stdlib", "pyscript.js"),
+    `// ⚠️ This file is an artifact: DO NOT MODIFY\nexport default ${JSON.stringify(
+        json,
+        null,
+        "  ",
+    )};\n`,
+);