Class properties are not definitely assigned in constructor when using Object.assign

[lightclient]

TypeScript Version: 3.1.6

Search Terms:

• merge objects typescript
• object.assign typescript

Code

interface Identity {
    name: string
}

class Person implements Identity {
    name: string

    constructor(id: Identity) {
        Object.assign(this, id)
    }
}

Expected behavior:
Assign the Person's name property to the name property in id.

Actual behavior:
Compilation error: Property 'name' has no initializer and is not definitely assigned in the constructor. [2564]

Playground Link: http://www.typescriptlang.org/play/#src=interface%20Identity%20%7B%0D%0A%20%20%20%20name%3A%20string%0D%0A%7D%0D%0A%0D%0Aclass%20Person%20implements%20Identity%20%7B%0D%0A%20%20%20%20name%3A%20string%0D%0A%0D%0A%20%20%20%20constructor(id%3A%20Identity)%20%7B%0D%0A%20%20%20%20%20%20%20%20Object.assign(this%2C%20id)%0D%0A%20%20%20%20%7D%0D%0A%7D

be sure to click on strictNullChecks, strictFunctionTypes, and strictPropertyInitialization

[weswigham]

Duplicate of #26792

[typescript-bot]

This issue has been marked as a duplicate and has seen no activity in the last day. It has been closed automatic house-keeping purposes.