diego-santos/is
1
0
Fork 0
forked from orbit-oss/is
Code Pull requests Activity

Improve TypeScript type for isNonEmptyString() and isNonEmptyStringAndNotWhitespace() (#200)

Browse source
This commit is contained in:
Simon Podlipsky 2023-10-26 16:37:39 +02:00 • committed by GitHub
parent f10e2caf3d
commit 0d4cf6fcc8
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

5
source/index.ts
View file

@ -4,6 +4,7 @@ import type {
Class, Class,
Falsy, Falsy,
NodeStream, NodeStream,
NonEmptyString,
ObservableLike, ObservableLike,
Predicate, Predicate,
Primitive, Primitive,
@ -582,12 +583,12 @@ export function isNonEmptySet<T = unknown>(value: unknown): value is Set<T> {
} }
// TODO: Use `not ''` when the `not` operator is available. // TODO: Use `not ''` when the `not` operator is available.
export function isNonEmptyString(value: unknown): value is string { export function isNonEmptyString(value: unknown): value is NonEmptyString {
return isString(value) && value.length > 0; return isString(value) && value.length > 0;
} }
// TODO: Use `not ''` when the `not` operator is available. // TODO: Use `not ''` when the `not` operator is available.
export function isNonEmptyStringAndNotWhitespace(value: unknown): value is string { export function isNonEmptyStringAndNotWhitespace(value: unknown): value is NonEmptyString {
return isString(value) && !isEmptyStringOrWhitespace(value); return isString(value) && !isEmptyStringOrWhitespace(value);
} }

2
source/types.ts
View file

@ -73,3 +73,5 @@ export type NodeStream = {
} & NodeJS.EventEmitter; } & NodeJS.EventEmitter;
export type Predicate = (value: unknown) => boolean; export type Predicate = (value: unknown) => boolean;
export type NonEmptyString = string & {0: string};