15 lines
403 B
TypeScript
15 lines
403 B
TypeScript
export const nullish = <T>(
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value: T | null | undefined,
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): value is null | undefined => {
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return value === null || value === undefined;
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};
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export const notNullish = <T>(value: T | null | undefined): value is T =>
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value !== null && value !== undefined;
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export const idRegex = /^[a-zA-Z0-9_-]+$/;
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export const sumValues = (vals: number[]) => {
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return vals.reduce((acc, curr) => acc + curr, 0);
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};
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