any
unknown
never
assert.*
assertType<T>(v)
Assert<B>
@ts-expect-error
tsc
node --watch
tsconfig.json
extends
package.json
Record<K, V>
object
Object
{}
Record
override
Class<T>
T[]
readonly
const
ReadonlySet
ReadonlyMap
as const
satisfies
asserts «cond»
asserts «arg» is «type»
typeof
keyof
T[K]
C ? T : F
{[K in U]: X}
infer
as
?
`${U}`
true