Convert more scripts to js

Author: leeyi45

scripts/build_sicp_package.mjs

@@ -0,0 +1,88 @@
+// @ts-check
+
+import { promises as fsPromises, createWriteStream } from 'fs'
+import { join, extname } from 'path'
+import { parse } from 'acorn'
+import createContext from '../dist/createContext.js'
+import { ACORN_PARSE_OPTIONS } from '../dist/constants.js'
+import { Chapter } from '../dist/types.js'
+
+async function recursiveDirCopy(fromPath, dstPath) {
+  // Copy and keep only necessary files
+  const files = await fsPromises.readdir(fromPath)
+
+  return Promise.all(files.map(async fileName => {
+    const fullFromPath = join(fromPath, fileName)
+    const fullToPath = join(dstPath, fileName)
+    
+    const stats = await fsPromises.stat(fullFromPath)
+
+    if (stats.isFile()) {
+      const extension = extname(fileName)
+      if (extension !== '.js') return;
+      await fsPromises.copyFile(fullFromPath, fullToPath)
+    } else if (stats.isDirectory()) {
+      await fsPromises.mkdir(fullToPath)
+      await recursiveDirCopy(fullFromPath, fullToPath)
+    }
+  }))
+}
+
+async function prepare() {
+  await fsPromises.rm('sicp_publish/dist', { recursive: true, force: true })
+  await fsPromises.mkdir('sicp_publish/dist', { recursive: true })
+  await recursiveDirCopy('dist', 'sicp_publish/dist')
+
+  // Remove unnecessary dependencies
+  await Promise.all([
+    'finder.js', 'index.js', 'scope-refactoring.js', 'sicp-prepare.js'
+  ].map(fileName => fsPromises.rm(`sicp_publish/dist/${fileName}`)))
+}
+
+function main() {
+  const writeStream = createWriteStream('sicp_publish/dist/sicp.js', {
+    encoding: 'utf-8',
+    flags: 'w'
+  })
+  writeStream.write('"use strict";\n')
+  writeStream.write('Object.defineProperty(exports, "__esModule", { value: true });\n')
+  writeStream.write('const createContext_1 = require("./createContext");\n')
+  writeStream.write('const dict = createContext_1.default(4).nativeStorage.builtins;')
+  writeStream.write('\n// Declare functions for prelude\n')
+
+  // @ts-expect-error Something to do with weird stuff going on between cjs and esm
+  const context = createContext.default(Chapter.SOURCE_4)
+  const builtins = context.nativeStorage.builtins
+
+  for (const builtin of builtins.keys()) {
+    if (builtin !== 'undefined' && builtin !== 'NaN' && builtin !== 'Infinity') {
+      writeStream.write(`const ${builtin} = dict.get("${builtin}");\n`)
+    }
+  }
+
+  if (context.prelude !== null) {
+    writeStream.write('\n// Prelude\n')
+    writeStream.write(context.prelude)
+
+    const prelude = parse(context.prelude, ACORN_PARSE_OPTIONS)
+
+    writeStream.write('\n // Export prelude functions\n')
+    for (const func of prelude.body) {
+      if (func.type !== 'FunctionDeclaration') {
+        throw new Error(`Expected FunctionDeclarations, got '${func.type}' instead`)
+      }
+
+      const funcName = func.id.name;
+      writeStream.write(`exports.${funcName} = ${funcName};\n`)
+    }
+  }
+
+  writeStream.write('\n// Export builtin functions\n')
+  for (const builtin of builtins.keys()) {
+    if (builtin !== 'undefined' && builtin !== 'NaN' && builtin !== 'Infinity') {
+      writeStream.write(`exports.${builtin} = ${builtin};\n`)
+    }
+  }
+}
+
+await prepare().then(main)