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author | Tyler Schicke <tyler_schicke@brown.edu> | 2019-04-25 15:36:32 -0400 |
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committer | Tyler Schicke <tyler_schicke@brown.edu> | 2019-04-25 15:36:32 -0400 |
commit | c318c6cb44b26b780e94e0f0854e5ec4c14634a9 (patch) | |
tree | 5c6bcb413f771988bd89efe3551007bd6d0f160c /src/new_fields/Types.ts | |
parent | e1a65c5fa52dd094cc48c0c85b3c92ae8789666d (diff) | |
parent | 430dfa3afbfd38fe0db869b962da45903b888264 (diff) |
Merge branch 'master' of github-tsch-brown:browngraphicslab/Dash-Web into newDocs
Diffstat (limited to 'src/new_fields/Types.ts')
-rw-r--r-- | src/new_fields/Types.ts | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/new_fields/Types.ts b/src/new_fields/Types.ts index 4ad8dcade..079c7b76d 100644 --- a/src/new_fields/Types.ts +++ b/src/new_fields/Types.ts @@ -59,6 +59,14 @@ export function Cast<T extends ToConstructor<Field> | ListSpec<Field>>(field: Fi return defaultVal; } +export function NumCast(field: FieldResult, defaultVal: Opt<number> = 0) { + return Cast(field, "number", defaultVal); +} + +export function StrCast(field: FieldResult, defaultVal: Opt<string> = "") { + return Cast(field, "string", defaultVal); +} + type WithoutList<T extends Field> = T extends List<infer R> ? R[] : T; export function FieldValue<T extends Field, U extends WithoutList<T>>(field: Opt<T> | Promise<Opt<T>>, defaultValue: U): WithoutList<T>; |