問題

以下のコマンドを実行時にCannot find module 'source-map'と出る

tsc

エラー内容.bash


node_modules/@types/uglify-js/index.d.ts:9:30 - error TS2307: Cannot find module 'source-map'.

9 import { RawSourceMap } from 'source-map';
                               ~~~~~~~~~~~~

node_modules/@types/webpack-sources/index.d.ts:10:62 - error TS2307: Cannot find module 'source-map'.

10 import { SourceNode, RawSourceMap, SourceMapGenerator } from 'source-map';
                                                                ~~~~~~~~~~~~

node_modules/@types/webpack/index.d.ts:40:30 - error TS2307: Cannot find module 'source-map'.

40 import { RawSourceMap } from 'source-map';
                                ~~~~~~~~~~~~

解決策

以下を追記する。

tsconfig.json"

 "moduleResolution": "node"

解決にあたって参考にしたページ

Cannot find module 'source-map' · Issue #23649 · DefinitelyTyped/DefinitelyTyped