FIN INIT

node_modules/sucrase/dist/index.js

@@ -0,0 +1,133 @@
+"use strict";Object.defineProperty(exports, "__esModule", {value: true}); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }var _CJSImportProcessor = require('./CJSImportProcessor'); var _CJSImportProcessor2 = _interopRequireDefault(_CJSImportProcessor);
+var _computeSourceMap = require('./computeSourceMap'); var _computeSourceMap2 = _interopRequireDefault(_computeSourceMap);
+var _HelperManager = require('./HelperManager');
+var _identifyShadowedGlobals = require('./identifyShadowedGlobals'); var _identifyShadowedGlobals2 = _interopRequireDefault(_identifyShadowedGlobals);
+var _NameManager = require('./NameManager'); var _NameManager2 = _interopRequireDefault(_NameManager);
+var _Options = require('./Options');
+
+var _parser = require('./parser');
+
+var _TokenProcessor = require('./TokenProcessor'); var _TokenProcessor2 = _interopRequireDefault(_TokenProcessor);
+var _RootTransformer = require('./transformers/RootTransformer'); var _RootTransformer2 = _interopRequireDefault(_RootTransformer);
+var _formatTokens = require('./util/formatTokens'); var _formatTokens2 = _interopRequireDefault(_formatTokens);
+var _getTSImportedNames = require('./util/getTSImportedNames'); var _getTSImportedNames2 = _interopRequireDefault(_getTSImportedNames);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+;
+
+ function getVersion() {
+  /* istanbul ignore next */
+  return "3.35.0";
+} exports.getVersion = getVersion;
+
+ function transform(code, options) {
+  _Options.validateOptions.call(void 0, options);
+  try {
+    const sucraseContext = getSucraseContext(code, options);
+    const transformer = new (0, _RootTransformer2.default)(
+      sucraseContext,
+      options.transforms,
+      Boolean(options.enableLegacyBabel5ModuleInterop),
+      options,
+    );
+    const transformerResult = transformer.transform();
+    let result = {code: transformerResult.code};
+    if (options.sourceMapOptions) {
+      if (!options.filePath) {
+        throw new Error("filePath must be specified when generating a source map.");
+      }
+      result = {
+        ...result,
+        sourceMap: _computeSourceMap2.default.call(void 0, 
+          transformerResult,
+          options.filePath,
+          options.sourceMapOptions,
+          code,
+          sucraseContext.tokenProcessor.tokens,
+        ),
+      };
+    }
+    return result;
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  } catch (e) {
+    if (options.filePath) {
+      e.message = `Error transforming ${options.filePath}: ${e.message}`;
+    }
+    throw e;
+  }
+} exports.transform = transform;
+
+/**
+ * Return a string representation of the sucrase tokens, mostly useful for
+ * diagnostic purposes.
+ */
+ function getFormattedTokens(code, options) {
+  const tokens = getSucraseContext(code, options).tokenProcessor.tokens;
+  return _formatTokens2.default.call(void 0, code, tokens);
+} exports.getFormattedTokens = getFormattedTokens;
+
+/**
+ * Call into the parser/tokenizer and do some further preprocessing:
+ * - Come up with a set of used names so that we can assign new names.
+ * - Preprocess all import/export statements so we know which globals we are interested in.
+ * - Compute situations where any of those globals are shadowed.
+ *
+ * In the future, some of these preprocessing steps can be skipped based on what actual work is
+ * being done.
+ */
+function getSucraseContext(code, options) {
+  const isJSXEnabled = options.transforms.includes("jsx");
+  const isTypeScriptEnabled = options.transforms.includes("typescript");
+  const isFlowEnabled = options.transforms.includes("flow");
+  const disableESTransforms = options.disableESTransforms === true;
+  const file = _parser.parse.call(void 0, code, isJSXEnabled, isTypeScriptEnabled, isFlowEnabled);
+  const tokens = file.tokens;
+  const scopes = file.scopes;
+
+  const nameManager = new (0, _NameManager2.default)(code, tokens);
+  const helperManager = new (0, _HelperManager.HelperManager)(nameManager);
+  const tokenProcessor = new (0, _TokenProcessor2.default)(
+    code,
+    tokens,
+    isFlowEnabled,
+    disableESTransforms,
+    helperManager,
+  );
+  const enableLegacyTypeScriptModuleInterop = Boolean(options.enableLegacyTypeScriptModuleInterop);
+
+  let importProcessor = null;
+  if (options.transforms.includes("imports")) {
+    importProcessor = new (0, _CJSImportProcessor2.default)(
+      nameManager,
+      tokenProcessor,
+      enableLegacyTypeScriptModuleInterop,
+      options,
+      options.transforms.includes("typescript"),
+      Boolean(options.keepUnusedImports),
+      helperManager,
+    );
+    importProcessor.preprocessTokens();
+    // We need to mark shadowed globals after processing imports so we know that the globals are,
+    // but before type-only import pruning, since that relies on shadowing information.
+    _identifyShadowedGlobals2.default.call(void 0, tokenProcessor, scopes, importProcessor.getGlobalNames());
+    if (options.transforms.includes("typescript") && !options.keepUnusedImports) {
+      importProcessor.pruneTypeOnlyImports();
+    }
+  } else if (options.transforms.includes("typescript") && !options.keepUnusedImports) {
+    // Shadowed global detection is needed for TS implicit elision of imported names.
+    _identifyShadowedGlobals2.default.call(void 0, tokenProcessor, scopes, _getTSImportedNames2.default.call(void 0, tokenProcessor));
+  }
+  return {tokenProcessor, scopes, nameManager, importProcessor, helperManager};
+}