How to use @babel/helper-simple-access - 3 common examples

To help you get started, we’ve selected a few @babel/helper-simple-access examples, based on popular ways it is used in public projects.

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github babel / babel / packages / babel-plugin-transform-modules-commonjs / src / index.js View on Github external
exit(path, state) {
          if (!isModule(path)) return;

          // Rename the bindings auto-injected into the scope so there is no
          // risk of conflict between the bindings.
          path.scope.rename("exports");
          path.scope.rename("module");
          path.scope.rename("require");
          path.scope.rename("__filename");
          path.scope.rename("__dirname");

          // Rewrite references to 'module' and 'exports' to throw exceptions.
          // These objects are specific to CommonJS and are not available in
          // real ES6 implementations.
          if (!allowCommonJSExports) {
            simplifyAccess(path, new Set(["module", "exports"]));
            path.traverse(moduleExportsVisitor, {
              scope: path.scope,
            });
          }

          let moduleName = this.getModuleName();
          if (moduleName) moduleName = t.stringLiteral(moduleName);

          const { meta, headers } = rewriteModuleStatementsAndPrepareHeader(
            path,
            {
              exportName: "exports",
              loose,
              strict,
              strictMode,
              allowTopLevelThis,
github babel / babel / packages / babel-plugin-transform-es2015-modules-commonjs / src / index.js View on Github external
// because Babel currently parses all files as sourceType:module.
          if (!isModule(path, true /* requireUnambiguous */)) return;

          // Rename the bindings auto-injected into the scope so there is no
          // risk of conflict between the bindings.
          path.scope.rename("exports");
          path.scope.rename("module");
          path.scope.rename("require");
          path.scope.rename("__filename");
          path.scope.rename("__dirname");

          // Rewrite references to 'module' and 'exports' to throw exceptions.
          // These objects are specific to CommonJS and are not available in
          // real ES6 implementations.
          if (!allowCommonJSExports) {
            simplifyAccess(path, new Set(["module", "exports"]));
            path.traverse(moduleExportsVisitor, {
              scope: path.scope,
            });
          }

          let moduleName = this.getModuleName();
          if (moduleName) moduleName = t.stringLiteral(moduleName);

          const {
            meta,
            headers,
          } = rewriteModuleStatementsAndPrepareHeader(path, {
            exportName: "exports",
            loose,
            strict,
            strictMode,
github babel / babel / packages / babel-helper-module-transforms / src / rewrite-live-references.js View on Github external
exportMeta = [];
      exported.set(local, exportMeta);
    }

    exportMeta.push(...data.names);
  }

  // Rewrite initialization of bindings to update exports.
  programPath.traverse(rewriteBindingInitVisitor, {
    metadata,
    requeueInParent,
    scope: programPath.scope,
    exported, // local name => exported name list
  });

  simplifyAccess(
    programPath,
    // NOTE(logan): The 'Array.from' calls are to make this code with in loose mode.
    new Set([...Array.from(imported.keys()), ...Array.from(exported.keys())]),
  );

  // Rewrite reads/writes from imports and exports to have the correct behavior.
  programPath.traverse(rewriteReferencesVisitor, {
    seen: new WeakSet(),
    metadata,
    requeueInParent,
    scope: programPath.scope,
    imported, // local / import
    exported, // local name => exported name list
    buildImportReference: ([source, importName, localName], identNode) => {
      const meta = metadata.source.get(source);

@babel/helper-simple-access

Babel helper for ensuring that access to a given value is performed through simple accesses

MIT
Latest version published 19 days ago

Package Health Score

95 / 100
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