TypeScript · Backwards Compatibility
keyofStringsOnly
Make keyof only return strings instead of string, numbers or symbols. Legacy option.
Syntax
"keyofStringsOnly": trueExample
Example
{
"compilerOptions": {
"keyofStringsOnly": true
}
}More in this group
Learn this in the course
Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.