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tsargs

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typescript function arguments utils

github.com/Morglod/tsargs

Morglod/tsargs

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import { Args10, Args9off0, Args8off0, Args7off0, Args6off0, Args5off0, Args4off0, Args3off0, Args2off0, } from "./pick-range"; import { Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8, Arg9, Arg10 } from "./pick"; import { IfExtends } from "./utils"; // tslint:disable /** * `T` - Method * `NoArgs` - Type used when no args found * `ManyArgs` - Type used when 10+ args found */ export type ArgsN_Old< T extends Function, NoArgs = [], ManyArgs = Args10<T>, > = IfExtends<T, () => any, NoArgs, IfExtends<T, (arg1: Arg1<T>) => any, [Arg1<T>], IfExtends<T, (arg1: Arg1<T>, arg2: Arg2<T>) => any, Args2off0<T>, IfExtends<T, (arg1: Arg1<T>, arg2: Arg2<T>, arg3: Arg3<T>) => any, Args3off0<T>, IfExtends<T, (arg1: Arg1<T>, arg2: Arg2<T>, arg3: Arg3<T>, arg4: Arg4<T>) => any, Args4off0<T>, IfExtends<T, (arg1: Arg1<T>, arg2: Arg2<T>, arg3: Arg3<T>, arg4: Arg4<T>, arg5: Arg5<T>) => any, Args5off0<T>, IfExtends<T, (arg1: Arg1<T>, arg2: Arg2<T>, arg3: Arg3<T>, arg4: Arg4<T>, arg5: Arg5<T>, arg6: Arg6<T>) => any, Args6off0<T>, IfExtends<T, (arg1: Arg1<T>, arg2: Arg2<T>, arg3: Arg3<T>, arg4: Arg4<T>, arg5: Arg5<T>, arg6: Arg6<T>, arg7: Arg7<T>) => any, Args7off0<T>, IfExtends<T, (arg1: Arg1<T>, arg2: Arg2<T>, arg3: Arg3<T>, arg4: Arg4<T>, arg5: Arg5<T>, arg6: Arg6<T>, arg7: Arg7<T>, arg8: Arg8<T>) => any, Args8off0<T>, IfExtends<T, (arg1: Arg1<T>, arg2: Arg2<T>, arg3: Arg3<T>, arg4: Arg4<T>, arg5: Arg5<T>, arg6: Arg6<T>, arg7: Arg7<T>, arg8: Arg8<T>, arg9: Arg9<T>) => any, Args9off0<T>, IfExtends<T, (arg1: Arg1<T>, arg2: Arg2<T>, arg3: Arg3<T>, arg4: Arg4<T>, arg5: Arg5<T>, arg6: Arg6<T>, arg7: Arg7<T>, arg8: Arg8<T>, arg9: Arg9<T>, arg10: Arg10<T>) => any, Args10<T>, ManyArgs >>>>>>>>>>>; export type ArgsN<T extends (...args: any[]) => any> = T extends (...args: infer K) => any ? K : never; export type ArgsNum<T extends (...args: any[]) => any> = T extends (...args: infer K) => any ? K["length"] : never; export type Args<T extends (...args: any[]) => any> = ArgsN<T>;