1 files changed, 0 insertions, 147 deletions
diff --git a/tools/esmify/static-import.js b/tools/esmify/static-import.js
deleted file mode 100644
index e99bfb3380..0000000000
--- a/tools/esmify/static-import.js
+++ /dev/null
@@ -1,147 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/* eslint-env node */
-
-const _path = require("path");
-const { getESMFiles } = require(_path.resolve(__dirname, "./is-esmified.js"));
-const {
-  esmifyExtension,
-  isString,
-  warnForPath,
-  isMemberExpressionWithIdentifiers,
-} = require(_path.resolve(__dirname, "./utils.js"));
-
-function isTargetESM(resourceURI) {
-  if ("ESMIFY_TARGET_PREFIX" in process.env) {
-    const files = getESMFiles(resourceURI);
-    const targetPrefix = process.env.ESMIFY_TARGET_PREFIX;
-    for (const esm of files) {
-      if (esm.startsWith(targetPrefix)) {
-        return true;
-      }
-    }
-
-    return false;
-  }
-
-  return true;
-}
-
-function isImportESModuleCall(node) {
-  return isMemberExpressionWithIdentifiers(node.callee, [
-    "ChromeUtils",
-    "importESModule",
-  ]);
-}
-
-// Replace `ChromeUtils.import`, `Cu.import`, and `ChromeUtils.importESModule`
-// with static import if it's at the top-level of system ESM file.
-function tryReplacingWithStaticImport(
-  jscodeshift,
-  inputFile,
-  path,
-  resourceURINode,
-  alwaysReplace
-) {
-  if (!alwaysReplace && !inputFile.endsWith(".sys.mjs")) {
-    // Static import is available only in system ESM.
-    return false;
-  }
-
-  // Check if it's at the top-level.
-  if (path.parent.node.type !== "VariableDeclarator") {
-    return false;
-  }
-
-  if (path.parent.parent.node.type !== "VariableDeclaration") {
-    return false;
-  }
-
-  const decls = path.parent.parent.node;
-  if (decls.declarations.length !== 1) {
-    return false;
-  }
-
-  if (path.parent.parent.parent.node.type !== "Program") {
-    return false;
-  }
-
-  if (path.node.arguments.length !== 1) {
-    return false;
-  }
-
-  const resourceURI = resourceURINode.value;
-
-  // Collect imported symbols.
-  const specs = [];
-  if (path.parent.node.id.type === "Identifier") {
-    specs.push(jscodeshift.importNamespaceSpecifier(path.parent.node.id));
-  } else if (path.parent.node.id.type === "ObjectPattern") {
-    for (const prop of path.parent.node.id.properties) {
-      if (prop.shorthand) {
-        specs.push(jscodeshift.importSpecifier(prop.key));
-      } else if (prop.value.type === "Identifier") {
-        specs.push(jscodeshift.importSpecifier(prop.key, prop.value));
-      } else {
-        return false;
-      }
-    }
-  } else {
-    return false;
-  }
-
-  // If this is `ChromeUtils.import` or `Cu.import`, replace the extension.
-  // no-op for `ChromeUtils.importESModule`.
-  resourceURINode.value = esmifyExtension(resourceURI);
-
-  const e = jscodeshift.importDeclaration(specs, resourceURINode);
-  e.comments = path.parent.parent.node.comments;
-  path.parent.parent.node.comments = [];
-  path.parent.parent.replace(e);
-
-  return true;
-}
-
-function replaceImportESModuleCall(
-  inputFile,
-  jscodeshift,
-  path,
-  alwaysReplace
-) {
-  if (path.node.arguments.length !== 1) {
-    warnForPath(
-      inputFile,
-      path,
-      `importESModule call should have only one argument`
-    );
-    return;
-  }
-
-  const resourceURINode = path.node.arguments[0];
-  if (!isString(resourceURINode)) {
-    warnForPath(inputFile, path, `resource URI should be a string`);
-    return;
-  }
-
-  if (!alwaysReplace) {
-    const resourceURI = resourceURINode.value;
-    if (!isTargetESM(resourceURI)) {
-      return;
-    }
-  }
-
-  // If this cannot be replaced with static import, do nothing.
-  tryReplacingWithStaticImport(
-    jscodeshift,
-    inputFile,
-    path,
-    resourceURINode,
-    alwaysReplace
-  );
-}
-
-exports.isImportESModuleCall = isImportESModuleCall;
-exports.tryReplacingWithStaticImport = tryReplacingWithStaticImport;
-exports.replaceImportESModuleCall = replaceImportESModuleCall;