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self-review-fix

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This commit is contained in:
Igor Loskutov
2025-09-02 13:04:43 -04:00
parent bdd899774a
commit 11ed585cea
20 changed files with 124 additions and 127 deletions
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23
www/app/lib/utils.ts
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@@ -137,9 +137,28 @@ export function extractDomain(url) {
}
}
export function assertExists<T>(value: T | null | undefined, err?: string): T {
export type NonEmptyString = string & { __brand: "NonEmptyString" };
export const parseMaybeNonEmptyString = (
s: string,
trim = true,
): NonEmptyString | null => {
s = trim ? s.trim() : s;
return s.length > 0 ? (s as NonEmptyString) : null;
};
export const parseNonEmptyString = (s: string, trim = true): NonEmptyString =>
assertExists(parseMaybeNonEmptyString(s, trim), "Expected non-empty string");
export const assertExists = <T>(
value: T | null | undefined,
err?: string,
): T => {
if (value === null || value === undefined) {
throw new Error(`Assertion failed: ${err ?? "value is null or undefined"}`);
}
return value;
}
};
export const assertExistsAndNonEmptyString = (
value: string | null | undefined,
): NonEmptyString =>
parseNonEmptyString(assertExists(value, "Expected non-empty string"));