DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
55 lines
1.5 KiB
Text
55 lines
1.5 KiB
Text
/**
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* @param pathname A pathname string, such as `/foo` or `/foo/bar`
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* @param routingRule The routing rule, such as `/foo/*`
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* @returns True if pathname matches the routing rule
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*
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* / -> /
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* /* -> /*
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* /foo -> /foo
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* /foo* -> /foo, /foo-bar, /foo/*
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* /foo/* -> /foo, /foo/bar
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*/
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export function isRoutingRuleMatch(
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pathname: string,
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routingRule: string
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): boolean {
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// sanity checks
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if (!pathname) {
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throw new Error("Pathname is undefined.");
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}
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if (!routingRule) {
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throw new Error("Routing rule is undefined.");
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}
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const ruleRegExp = transformRoutingRuleToRegExp(routingRule);
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return pathname.match(ruleRegExp) !== null;
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}
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function transformRoutingRuleToRegExp(rule: string): RegExp {
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let transformedRule;
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if (rule === "/" || rule === "/*") {
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transformedRule = rule;
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} else if (rule.endsWith("/*")) {
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// make `/*` an optional group so we can match both /foo/* and /foo
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// /foo/* => /foo(/*)?
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transformedRule = `${rule.substring(0, rule.length - 2)}(/*)?`;
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} else if (rule.endsWith("/")) {
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// make `/` an optional group so we can match both /foo/ and /foo
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// /foo/ => /foo(/)?
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transformedRule = `${rule.substring(0, rule.length - 1)}(/)?`;
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} else if (rule.endsWith("*")) {
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transformedRule = rule;
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} else {
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transformedRule = `${rule}(/)?`;
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}
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// /foo* => /foo.* => ^/foo.*$
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// /*.* => /*\.* => /.*\..* => ^/.*\..*$
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transformedRule = `^${transformedRule
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.replaceAll(/\./g, "\\.")
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.replaceAll(/\*/g, ".*")}$`;
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// ^/foo.*$ => /^\/foo.*$/
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return new RegExp(transformedRule);
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}
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