FOSS
/
BangleApps
mirror of https://github.com/espruino/BangleApps
1
0
Fork 1
Code Issues Packages Projects Releases Wiki Activity

layout.d.ts: ExtractIds gives back { id: T }

pull/2587/head
Rob Pilling 2023-01-27 23:10:03 +00:00
parent ec75c37d37
commit 79ebde3e69
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
typescript/types/layout.d.ts vendored
View File

@ -3,7 +3,9 @@ type Prev = [never, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
type ExtractIds<T extends Layout_.Hierarchy, Depth extends Prev[number] = 9> =
[Depth] extends [never]
? never
: (T extends { id: infer Id extends string } ? Id : never)
: (T extends { id: infer Id extends string }
? { [k in Id]: T }
: never)
|
(
T extends { c: Array<infer Sub extends Layout_.Hierarchy> }
@ -13,9 +15,9 @@ type ExtractIds<T extends Layout_.Hierarchy, Depth extends Prev[number] = 9> =
declare module Layout_ {
type Layouter<T extends Hierarchy> =
ExtractIds<T>
&
{
[k in ExtractIds<T>]: number;
} & {
// these actually change T
render(l?: T): void;
layout(l: T): void;