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e58f0c9f07
Use encodePath only for internal map key grouping (collision-free) and sanitize for Traefik-facing router/service names (unchanged for existing users). Extract pure functions into pathUtils.ts so tests can run without DB dependencies.
38 lines
1.2 KiB
TypeScript
38 lines
1.2 KiB
TypeScript
/**
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* Pure utility functions for path/name encoding.
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* No external dependencies — safe to import in tests.
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*/
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export function sanitize(input: string | null | undefined): string | undefined {
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if (!input) return undefined;
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// clean any non alphanumeric characters from the input and replace with dashes
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// the input cant be too long either, so limit to 50 characters
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if (input.length > 50) {
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input = input.substring(0, 50);
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}
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return input
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.replace(/[^a-zA-Z0-9-]/g, "-")
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.replace(/-+/g, "-")
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.replace(/^-|-$/g, "");
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}
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/**
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* Encode a URL path into a collision-free alphanumeric string suitable for use
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* in Traefik map keys.
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*
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* Unlike sanitize(), this preserves uniqueness by encoding each non-alphanumeric
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* character as its hex code. Different paths always produce different outputs.
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*
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* encodePath("/api") => "2fapi"
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* encodePath("/a/b") => "2fa2fb"
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* encodePath("/a-b") => "2fa2db" (different from /a/b)
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* encodePath("/") => "2f"
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* encodePath(null) => ""
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*/
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export function encodePath(path: string | null | undefined): string {
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if (!path) return "";
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return path.replace(/[^a-zA-Z0-9]/g, (ch) => {
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return ch.charCodeAt(0).toString(16);
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});
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}
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