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29 lines
692 B
TypeScript
29 lines
692 B
TypeScript
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export function assertNotNull<T>(value: T | null): T {
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if (value === null) {
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throw new Error('Expected non-null value');
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}
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return value;
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}
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export function assertNotUndefined<T>(value: T | undefined): T {
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// eslint-disable-next-line no-undefined
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if (value === undefined) {
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throw new Error('Expected non-undefined value');
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}
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return value;
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}
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/* eslint-disable @typescript-eslint/no-explicit-any */
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type Constructor<T> = { new (...args: any[]): T };
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export function assertType<T>(value: any, c: Constructor<T>): T {
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if (value instanceof c) {
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return value;
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}
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throw new Error('Expected value of type');
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}
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/* eslint-enable @typescript-eslint/no-explicit-any */
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