added babel

1 files changed, 358 insertions, 0 deletions

diff --git a/node_modules/@babel/helper-module-transforms/lib/normalize-and-load-metadata.js b/node_modules/@babel/helper-module-transforms/lib/normalize-and-load-metadata.js
new file mode 100644
index 00000000..35d6757d
--- /dev/null
+++ b/node_modules/@babel/helper-module-transforms/lib/normalize-and-load-metadata.js
@@ -0,0 +1,358 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = normalizeModuleAndLoadMetadata;
+exports.hasExports = hasExports;
+exports.isSideEffectImport = isSideEffectImport;
+exports.validateImportInteropOption = validateImportInteropOption;
+var _path = require("path");
+var _helperValidatorIdentifier = require("@babel/helper-validator-identifier");
+var _helperSplitExportDeclaration = require("@babel/helper-split-export-declaration");
+function hasExports(metadata) {
+  return metadata.hasExports;
+}
+function isSideEffectImport(source) {
+  return source.imports.size === 0 && source.importsNamespace.size === 0 && source.reexports.size === 0 && source.reexportNamespace.size === 0 && !source.reexportAll;
+}
+function validateImportInteropOption(importInterop) {
+  if (typeof importInterop !== "function" && importInterop !== "none" && importInterop !== "babel" && importInterop !== "node") {
+    throw new Error(`.importInterop must be one of "none", "babel", "node", or a function returning one of those values (received ${importInterop}).`);
+  }
+  return importInterop;
+}
+function resolveImportInterop(importInterop, source, filename) {
+  if (typeof importInterop === "function") {
+    return validateImportInteropOption(importInterop(source, filename));
+  }
+  return importInterop;
+}
+function normalizeModuleAndLoadMetadata(programPath, exportName, {
+  importInterop,
+  initializeReexports = false,
+  getWrapperPayload,
+  esNamespaceOnly = false,
+  filename
+}) {
+  if (!exportName) {
+    exportName = programPath.scope.generateUidIdentifier("exports").name;
+  }
+  const stringSpecifiers = new Set();
+  nameAnonymousExports(programPath);
+  const {
+    local,
+    sources,
+    hasExports
+  } = getModuleMetadata(programPath, {
+    initializeReexports,
+    getWrapperPayload
+  }, stringSpecifiers);
+  removeImportExportDeclarations(programPath);
+  for (const [source, metadata] of sources) {
+    const {
+      importsNamespace,
+      imports
+    } = metadata;
+    if (importsNamespace.size > 0 && imports.size === 0) {
+      const [nameOfnamespace] = importsNamespace;
+      metadata.name = nameOfnamespace;
+    }
+    const resolvedInterop = resolveImportInterop(importInterop, source, filename);
+    if (resolvedInterop === "none") {
+      metadata.interop = "none";
+    } else if (resolvedInterop === "node" && metadata.interop === "namespace") {
+      metadata.interop = "node-namespace";
+    } else if (resolvedInterop === "node" && metadata.interop === "default") {
+      metadata.interop = "node-default";
+    } else if (esNamespaceOnly && metadata.interop === "namespace") {
+      metadata.interop = "default";
+    }
+  }
+  return {
+    exportName,
+    exportNameListName: null,
+    hasExports,
+    local,
+    source: sources,
+    stringSpecifiers
+  };
+}
+function getExportSpecifierName(path, stringSpecifiers) {
+  if (path.isIdentifier()) {
+    return path.node.name;
+  } else if (path.isStringLiteral()) {
+    const stringValue = path.node.value;
+    if (!(0, _helperValidatorIdentifier.isIdentifierName)(stringValue)) {
+      stringSpecifiers.add(stringValue);
+    }
+    return stringValue;
+  } else {
+    throw new Error(`Expected export specifier to be either Identifier or StringLiteral, got ${path.node.type}`);
+  }
+}
+function assertExportSpecifier(path) {
+  if (path.isExportSpecifier()) {
+    return;
+  } else if (path.isExportNamespaceSpecifier()) {
+    throw path.buildCodeFrameError("Export namespace should be first transformed by `@babel/plugin-transform-export-namespace-from`.");
+  } else {
+    throw path.buildCodeFrameError("Unexpected export specifier type");
+  }
+}
+function getModuleMetadata(programPath, {
+  getWrapperPayload,
+  initializeReexports
+}, stringSpecifiers) {
+  const localData = getLocalExportMetadata(programPath, initializeReexports, stringSpecifiers);
+  const importNodes = new Map();
+  const sourceData = new Map();
+  const getData = (sourceNode, node) => {
+    const source = sourceNode.value;
+    let data = sourceData.get(source);
+    if (!data) {
+      data = {
+        name: programPath.scope.generateUidIdentifier((0, _path.basename)(source, (0, _path.extname)(source))).name,
+        interop: "none",
+        loc: null,
+        imports: new Map(),
+        importsNamespace: new Set(),
+        reexports: new Map(),
+        reexportNamespace: new Set(),
+        reexportAll: null,
+        wrap: null,
+        get lazy() {
+          return this.wrap === "lazy";
+        },
+        referenced: false
+      };
+      sourceData.set(source, data);
+      importNodes.set(source, [node]);
+    } else {
+      importNodes.get(source).push(node);
+    }
+    return data;
+  };
+  let hasExports = false;
+  programPath.get("body").forEach(child => {
+    if (child.isImportDeclaration()) {
+      const data = getData(child.node.source, child.node);
+      if (!data.loc) data.loc = child.node.loc;
+      child.get("specifiers").forEach(spec => {
+        if (spec.isImportDefaultSpecifier()) {
+          const localName = spec.get("local").node.name;
+          data.imports.set(localName, "default");
+          const reexport = localData.get(localName);
+          if (reexport) {
+            localData.delete(localName);
+            reexport.names.forEach(name => {
+              data.reexports.set(name, "default");
+            });
+            data.referenced = true;
+          }
+        } else if (spec.isImportNamespaceSpecifier()) {
+          const localName = spec.get("local").node.name;
+          data.importsNamespace.add(localName);
+          const reexport = localData.get(localName);
+          if (reexport) {
+            localData.delete(localName);
+            reexport.names.forEach(name => {
+              data.reexportNamespace.add(name);
+            });
+            data.referenced = true;
+          }
+        } else if (spec.isImportSpecifier()) {
+          const importName = getExportSpecifierName(spec.get("imported"), stringSpecifiers);
+          const localName = spec.get("local").node.name;
+          data.imports.set(localName, importName);
+          const reexport = localData.get(localName);
+          if (reexport) {
+            localData.delete(localName);
+            reexport.names.forEach(name => {
+              data.reexports.set(name, importName);
+            });
+            data.referenced = true;
+          }
+        }
+      });
+    } else if (child.isExportAllDeclaration()) {
+      hasExports = true;
+      const data = getData(child.node.source, child.node);
+      if (!data.loc) data.loc = child.node.loc;
+      data.reexportAll = {
+        loc: child.node.loc
+      };
+      data.referenced = true;
+    } else if (child.isExportNamedDeclaration() && child.node.source) {
+      hasExports = true;
+      const data = getData(child.node.source, child.node);
+      if (!data.loc) data.loc = child.node.loc;
+      child.get("specifiers").forEach(spec => {
+        assertExportSpecifier(spec);
+        const importName = getExportSpecifierName(spec.get("local"), stringSpecifiers);
+        const exportName = getExportSpecifierName(spec.get("exported"), stringSpecifiers);
+        data.reexports.set(exportName, importName);
+        data.referenced = true;
+        if (exportName === "__esModule") {
+          throw spec.get("exported").buildCodeFrameError('Illegal export "__esModule".');
+        }
+      });
+    } else if (child.isExportNamedDeclaration() || child.isExportDefaultDeclaration()) {
+      hasExports = true;
+    }
+  });
+  for (const metadata of sourceData.values()) {
+    let needsDefault = false;
+    let needsNamed = false;
+    if (metadata.importsNamespace.size > 0) {
+      needsDefault = true;
+      needsNamed = true;
+    }
+    if (metadata.reexportAll) {
+      needsNamed = true;
+    }
+    for (const importName of metadata.imports.values()) {
+      if (importName === "default") needsDefault = true;else needsNamed = true;
+    }
+    for (const importName of metadata.reexports.values()) {
+      if (importName === "default") needsDefault = true;else needsNamed = true;
+    }
+    if (needsDefault && needsNamed) {
+      metadata.interop = "namespace";
+    } else if (needsDefault) {
+      metadata.interop = "default";
+    }
+  }
+  if (getWrapperPayload) {
+    for (const [source, metadata] of sourceData) {
+      metadata.wrap = getWrapperPayload(source, metadata, importNodes.get(source));
+    }
+  }
+  return {
+    hasExports,
+    local: localData,
+    sources: sourceData
+  };
+}
+function getLocalExportMetadata(programPath, initializeReexports, stringSpecifiers) {
+  const bindingKindLookup = new Map();
+  programPath.get("body").forEach(child => {
+    let kind;
+    if (child.isImportDeclaration()) {
+      kind = "import";
+    } else {
+      if (child.isExportDefaultDeclaration()) {
+        child = child.get("declaration");
+      }
+      if (child.isExportNamedDeclaration()) {
+        if (child.node.declaration) {
+          child = child.get("declaration");
+        } else if (initializeReexports && child.node.source && child.get("source").isStringLiteral()) {
+          child.get("specifiers").forEach(spec => {
+            assertExportSpecifier(spec);
+            bindingKindLookup.set(spec.get("local").node.name, "block");
+          });
+          return;
+        }
+      }
+      if (child.isFunctionDeclaration()) {
+        kind = "hoisted";
+      } else if (child.isClassDeclaration()) {
+        kind = "block";
+      } else if (child.isVariableDeclaration({
+        kind: "var"
+      })) {
+        kind = "var";
+      } else if (child.isVariableDeclaration()) {
+        kind = "block";
+      } else {
+        return;
+      }
+    }
+    Object.keys(child.getOuterBindingIdentifiers()).forEach(name => {
+      bindingKindLookup.set(name, kind);
+    });
+  });
+  const localMetadata = new Map();
+  const getLocalMetadata = idPath => {
+    const localName = idPath.node.name;
+    let metadata = localMetadata.get(localName);
+    if (!metadata) {
+      const kind = bindingKindLookup.get(localName);
+      if (kind === undefined) {
+        throw idPath.buildCodeFrameError(`Exporting local "${localName}", which is not declared.`);
+      }
+      metadata = {
+        names: [],
+        kind
+      };
+      localMetadata.set(localName, metadata);
+    }
+    return metadata;
+  };
+  programPath.get("body").forEach(child => {
+    if (child.isExportNamedDeclaration() && (initializeReexports || !child.node.source)) {
+      if (child.node.declaration) {
+        const declaration = child.get("declaration");
+        const ids = declaration.getOuterBindingIdentifierPaths();
+        Object.keys(ids).forEach(name => {
+          if (name === "__esModule") {
+            throw declaration.buildCodeFrameError('Illegal export "__esModule".');
+          }
+          getLocalMetadata(ids[name]).names.push(name);
+        });
+      } else {
+        child.get("specifiers").forEach(spec => {
+          const local = spec.get("local");
+          const exported = spec.get("exported");
+          const localMetadata = getLocalMetadata(local);
+          const exportName = getExportSpecifierName(exported, stringSpecifiers);
+          if (exportName === "__esModule") {
+            throw exported.buildCodeFrameError('Illegal export "__esModule".');
+          }
+          localMetadata.names.push(exportName);
+        });
+      }
+    } else if (child.isExportDefaultDeclaration()) {
+      const declaration = child.get("declaration");
+      if (declaration.isFunctionDeclaration() || declaration.isClassDeclaration()) {
+        getLocalMetadata(declaration.get("id")).names.push("default");
+      } else {
+        throw declaration.buildCodeFrameError("Unexpected default expression export.");
+      }
+    }
+  });
+  return localMetadata;
+}
+function nameAnonymousExports(programPath) {
+  programPath.get("body").forEach(child => {
+    if (!child.isExportDefaultDeclaration()) return;
+    (0, _helperSplitExportDeclaration.default)(child);
+  });
+}
+function removeImportExportDeclarations(programPath) {
+  programPath.get("body").forEach(child => {
+    if (child.isImportDeclaration()) {
+      child.remove();
+    } else if (child.isExportNamedDeclaration()) {
+      if (child.node.declaration) {
+        child.node.declaration._blockHoist = child.node._blockHoist;
+        child.replaceWith(child.node.declaration);
+      } else {
+        child.remove();
+      }
+    } else if (child.isExportDefaultDeclaration()) {
+      const declaration = child.get("declaration");
+      if (declaration.isFunctionDeclaration() || declaration.isClassDeclaration()) {
+        declaration._blockHoist = child.node._blockHoist;
+        child.replaceWith(declaration);
+      } else {
+        throw declaration.buildCodeFrameError("Unexpected default expression export.");
+      }
+    } else if (child.isExportAllDeclaration()) {
+      child.remove();
+    }
+  });
+}
+
+//# sourceMappingURL=normalize-and-load-metadata.js.map