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<a href="../../index.html">all files</a> / <a href="index.html">modules/utils/</a> compileRoute.js
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">const paramMatcher = /:([a-zA-Z_$][a-zA-Z0-9_$]*)|[*.()\[\]\\+|{}^$]/g;
/**
* Compiles the given route string into a RegExp that can be used to
* match a URL. The route may contain named parameters in the form of
* a colon followed by a valid JavaScript identifier (e.g. ":name",
* ":_name", and ":$name" are all valid parameters). The route may
* also contain a * to match any character non-greedily, or a ? to
* match the previous thing 0 or 1 time.
*
* The keys array is populated with names of all parameters in the
* order they appear in the route string.
*/
function compileRoute(route, keys) {
const source = route.replace(paramMatcher, function (match, key) {
if (key) {
keys.push(key);
return "([^./?#]+)";
} else if (match === "*") {
keys.push("splat");
return "(.*?)";
}
return `\\${match}`;
});
return new RegExp(`^${source}$`, "i");
}
module.exports = compileRoute;
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