[Bug][0.53.0] type errors in new release

[AviVahl]

Reproducible in vscode.dev or in VS Code Desktop?

• Not reproducible in vscode.dev or VS Code Desktop

Reproducible in the monaco editor playground?

• Not reproducible in the monaco editor playground

Monaco Editor Playground Link

No response

Monaco Editor Playground Code

Reproduction Steps

mkdir monaco-type-issue
cd monaco-type-issue
npm init -y
npm pkg set type=module
npm i typescript monaco-editor
npx tsc --init --skipLibCheck false
echo "import * as monaco from 'monaco-editor';console.log(monaco.editor);" > main.ts
npx tsc --noEmit

Actual (Problematic) Behavior

node_modules/monaco-editor/esm/vs/editor/editor.api.d.ts:12:32 - error TS2503: Cannot find namespace 'monaco'.

12 declare var MonacoEnvironment: monaco.Environment | undefined;
                                  ~~~~~~

node_modules/monaco-editor/esm/vs/editor/editor.api.d.ts:943:18 - error TS2395: Individual declarations in merged declaration 'editor' must be all exported or all local.

943 export namespace editor {
                     ~~~~~~

node_modules/monaco-editor/esm/vs/editor/editor.api.d.ts:8661:19 - error TS2395: Individual declarations in merged declaration 'editor' must be all exported or all local.

8661 declare namespace editor {
                       ~~~~~~

node_modules/monaco-editor/esm/vs/editor/editor.api.d.ts:8662:12 - error TS1038: A 'declare' modifier cannot be used in an already ambient context.

8662     export declare function createWebWorker<T extends object>(opts: IWebWorkerOptions): editor.MonacoWebWorker<T>;
                ~~~~~~~


Found 4 errors in the same file, starting at: node_modules/monaco-editor/esm/vs/editor/editor.api.d.ts:12

Expected Behavior

No type errors

Additional Context

0.52.x works as expected

[AviVahl]

FYI @hediet

[MFMarkus]

We stumbled on this issue as well, and on top of just breaking the monaco editor it also broke all lodash imports in the project that was defined as import _ from "lodash";

[Marcus-Goectau]

Getting the same error in my project.