typescript version: 4.5.2
lodash version: 4.17.21

npm run build
tsc && react-scripts build


node_modules/@types/lodash/common/object.d.ts:1026:46 - error TS1005: '?' expected.
1026         : K extends `${infer N extends number}` ? T[N] <br/>
                                                  ~
node_modules/@types/lodash/common/object.d.ts:1031:46 - error TS1005: '?' expected.
1031         : K extends `${infer N extends number}` ? T[N] <br/>
                                                  ~
node_modules/@types/lodash/common/object.d.ts:1041:46 - error TS1005: '?' expected.
1041         : K extends `${infer N extends number}` <br/>
                                                  ~


Found 3 errors.

typescript version: 4.5.2
lodash version: 4.17.21

npm run build
tsc && react-scripts build


node_modules/@types/lodash/common/object.d.ts:1026:46 - error TS1005: '?' expected.
1026         : K extends `${infer N extends number}` ? T[N] <br/>
                                                  ~
node_modules/@types/lodash/common/object.d.ts:1031:46 - error TS1005: '?' expected.
1031         : K extends `${infer N extends number}` ? T[N] <br/>
                                                  ~
node_modules/@types/lodash/common/object.d.ts:1041:46 - error TS1005: '?' expected.
1041         : K extends `${infer N extends number}` <br/>
                                                  ~


Found 3 errors.

• javascript
• reactjs
• typescript
• npm
• lodash

• 2 There is an issue opened for @types/lodash. The only suggested fix at this moment - to use @types/[email protected] – Sergey Sosunov Commented Jun 28, 2024 at 14:24
• After changing the version of lodash got new error for ansi-regex lib. internal/modules/cjs/loader.js:1102 throw new ERR_REQUIRE_ESM(filename, parentPath, packageJsonPath); ^ Error [ERR_REQUIRE_ESM]: Must use import to load ES Module: node_modules/ansi-regex/index.js require() of /node_modules/ansi-regex/index.js from node_modules/renderkid/node_modules/strip-ansi/index.js is an ES module file as it is a .js file whose nearest parent package.json contains "type": "module" which defines all .js files in that package scope as ES modules. – ankit giri Commented Jun 28, 2024 at 14:49
• Y suddenly getting this issue, we didn't changed our build configuration recently – Ramesh_D Commented Jul 5, 2024 at 4:02

5 Answers 5

Use lodash version 4.17.5 works for me.

I am using typescript version 4.6.4 and lodash version 4.17.5.

Uninstall the current version (4.17.6) and reinstall 4.17.5 version

npm uninstall @types/lodash

npm install @types/[email protected]

Then, the ng build should work

try this

"@types/lodash": "4.14.168"

Finally ,It works like a charm ( "typescript": "4.1.5")

I faced the exact same issue.

Two problems I have:

• Lodash below version 4.17.20 has a critical security issue. So, downgrading is not an option.
• Also, I can't update typescript to version 5 because of some old modules in my project...

My solution (=compromise) was to update Typescript to version 4.7.4 and the error disappeared.

Upgrade typescript to v5+. Apart from this, if you're using any bundlers (e.g., Rollup, Webpack), don't forget to upgrade their TypeScript-related packages as well. I had to upgrade rollup-plugin-ts.

The solution which worked for him.

1. typescript version at 4.7.2.
2. Added new dependency of @types/lodash at 4.17.5 version.