Next release of setup-bun

node_modules/ts-node/dist-raw/node-internal-modules-esm-get_format.js

@@ -0,0 +1,106 @@
+// Copied from https://raw.githubusercontent.com/nodejs/node/v15.3.0/lib/internal/modules/esm/get_format.js
+
+'use strict';
+const {
+  RegExpPrototypeExec,
+  StringPrototypeStartsWith,
+} = require('./node-primordials');
+const { extname } = require('path');
+const { getOptionValue } = require('./node-options');
+
+const [nodeMajor, nodeMinor] = process.versions.node.split('.').map(s => parseInt(s, 10));
+const experimentalJsonModules =
+  nodeMajor > 17
+  || (nodeMajor === 17 && nodeMinor >= 5)
+  || (nodeMajor === 16 && nodeMinor >= 15)
+  || getOptionValue('--experimental-json-modules');
+const experimentalWasmModules = getOptionValue('--experimental-wasm-modules');
+const { URL, fileURLToPath } = require('url');
+const { ERR_UNKNOWN_FILE_EXTENSION } = require('./node-internal-errors').codes;
+
+const extensionFormatMap = {
+  '__proto__': null,
+  '.cjs': 'commonjs',
+  '.js': 'module',
+  '.mjs': 'module'
+};
+
+const legacyExtensionFormatMap = {
+  '__proto__': null,
+  '.cjs': 'commonjs',
+  '.js': 'commonjs',
+  '.json': 'commonjs',
+  '.mjs': 'module',
+  '.node': 'commonjs'
+};
+
+if (experimentalWasmModules)
+  extensionFormatMap['.wasm'] = legacyExtensionFormatMap['.wasm'] = 'wasm';
+
+if (experimentalJsonModules)
+  extensionFormatMap['.json'] = legacyExtensionFormatMap['.json'] = 'json';
+
+/**
+ *
+ * @param {'node' | 'explicit'} [tsNodeExperimentalSpecifierResolution]
+ * @param {ReturnType<
+ *  typeof import('../dist-raw/node-internal-modules-esm-resolve').createResolve
+ * >} nodeEsmResolver
+ */
+function createGetFormat(tsNodeExperimentalSpecifierResolution, nodeEsmResolver) {
+// const experimentalSpeciferResolution = tsNodeExperimentalSpecifierResolution ?? getOptionValue('--experimental-specifier-resolution');
+let experimentalSpeciferResolution = tsNodeExperimentalSpecifierResolution != null ? tsNodeExperimentalSpecifierResolution : getOptionValue('--experimental-specifier-resolution');
+const { getPackageType } = nodeEsmResolver;
+
+/**
+ * @param {string} url
+ * @param {{}} context
+ * @param {any} defaultGetFormatUnused
+ * @returns {ReturnType<import('../src/esm').NodeLoaderHooksAPI1.GetFormatHook>}
+ */
+function defaultGetFormat(url, context, defaultGetFormatUnused) {
+  if (StringPrototypeStartsWith(url, 'node:')) {
+    return { format: 'builtin' };
+  }
+  const parsed = new URL(url);
+  if (parsed.protocol === 'data:') {
+    const [ , mime ] = RegExpPrototypeExec(
+      /^([^/]+\/[^;,]+)(?:[^,]*?)(;base64)?,/,
+      parsed.pathname,
+    ) || [ null, null, null ];
+    const format = ({
+      '__proto__': null,
+      'text/javascript': 'module',
+      'application/json': experimentalJsonModules ? 'json' : null,
+      'application/wasm': experimentalWasmModules ? 'wasm' : null
+    })[mime] || null;
+    return { format };
+  } else if (parsed.protocol === 'file:') {
+    const ext = extname(parsed.pathname);
+    let format;
+    if (ext === '.js') {
+      format = getPackageType(parsed.href) === 'module' ? 'module' : 'commonjs';
+    } else {
+      format = extensionFormatMap[ext];
+    }
+    if (!format) {
+      if (experimentalSpeciferResolution === 'node') {
+        process.emitWarning(
+          'The Node.js specifier resolution in ESM is experimental.',
+          'ExperimentalWarning');
+        format = legacyExtensionFormatMap[ext];
+      } else {
+        throw new ERR_UNKNOWN_FILE_EXTENSION(ext, fileURLToPath(url));
+      }
+    }
+    return { format: format || null };
+  }
+  return { format: null };
+}
+
+return {defaultGetFormat};
+}
+
+module.exports = {
+  createGetFormat
+};