1 files changed, 39 insertions, 0 deletions
diff --git a/scripts/rewriteBuilds.ts b/scripts/rewriteBuilds.ts
new file mode 100644
index 0000000..f128b69
--- /dev/null
+++ b/scripts/rewriteBuilds.ts
@@ -0,0 +1,39 @@
+import { readFileSync, writeFileSync, unlinkSync, renameSync } from 'fs';
+import { join } from 'path';
+const atClass = /\/\*\* \@class \*\//g, pure = '/*#__PURE__*/';
+const esModule = /exports.__esModule = true;\n/;
+const libDir = join(__dirname, '..', 'lib');
+const libIndex = join(libDir, 'index.js');
+const lib = readFileSync(libIndex, 'utf-8')
+  .replace(atClass, pure)
+  .replace(esModule, '')
+  .replace(/exports\.(.*) = void 0;\n/, '');
+
+writeFileSync(libIndex, lib);
+const esmDir = join(__dirname, '..', 'esm');
+const esmIndex = join(esmDir, 'index.js'),
+      esmWK = join(esmDir, 'worker.js'),
+      esmNWK = join(esmDir, 'node-worker.js'),
+      libWK = join(libDir, 'worker.js'),
+      libNWK = join(libDir, 'node-worker.js');
+const esm = readFileSync(esmIndex, 'utf-8').replace(atClass, pure);
+const wk = readFileSync(esmWK, 'utf-8'),
+      nwk = readFileSync(esmNWK, 'utf-8');
+writeFileSync(join(libDir, 'worker.cjs'), readFileSync(join(libDir, 'worker.js'), 'utf-8').replace(esModule, ''));
+writeFileSync(join(libDir, 'node-worker.cjs'), readFileSync(join(libDir, 'node-worker.js'), 'utf-8').replace(esModule, ''));
+unlinkSync(esmIndex), unlinkSync(esmWK), unlinkSync(esmNWK), unlinkSync(libIndex), unlinkSync(libWK), unlinkSync(libNWK);
+unlinkSync(join(libDir, 'worker.d.ts')), unlinkSync(join(libDir, 'node-worker.d.ts'));
+const workerImport = /import (.*) from '\.\/node-worker';/;
+const workerRequire = /var (.*) = require\("\.\/node-worker"\);/;
+const defaultExport = /export default/;
+writeFileSync(join(esmDir, 'index.mjs'), "import { createRequire } from 'module';\nvar require = createRequire('/');\n" + esm.replace(workerImport, name => nwk.replace(defaultExport, `var ${name.slice(7, name.indexOf(' ', 8))} =`)));
+writeFileSync(join(esmDir, 'browser.js'), esm.replace(workerImport, name => wk.replace(defaultExport, `var ${name.slice(7, name.indexOf(' ', 8))} =`)));
+writeFileSync(join(libDir, 'node.cjs'), lib.replace(workerRequire, name => {
+  name = name.slice(4, name.indexOf(' ', 5));
+  return nwk.replace(defaultExport, `var ${name} = {};\n${name}["default"] =`)
+}));
+writeFileSync(join(libDir, 'browser.cjs'), lib.replace(workerRequire, name => {
+  name = name.slice(4, name.indexOf(' ', 5));
+  return wk.replace(defaultExport, `var ${name} = {};\n${name}["default"] =`)
+}));
+writeFileSync(join(libDir, 'index.cjs'), lib.replace(workerRequire, name => `var ${name.slice(4, name.indexOf(' ', 5))} = require("./node-worker.cjs");`));
+\ No newline at end of file