27 lines
954 B
JavaScript
27 lines
954 B
JavaScript
/**
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* Converts a path specification into a regular expression.
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* Originally from the server-side sibling of this (client-side) router.
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* @param {string} pathspec The path specification to convert.
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* @param {Boolean} verbose Optional. Whether to be verbose and log some stuff to the console. Default: false
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* @return {RegExp} The resulting regular expression
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*/
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export default function pathspec_to_regex(pathspec, verbose = false) {
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if(pathspec == "*") // Support wildcards
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return { regex: /^/, tokens: [] };
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let tokens = [];
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let regex = new RegExp("^" + pathspec.replace(/::?([a-zA-Z0-9\-_]+)/g, (substr/*, index, template (not used)*/) => {
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tokens.push(substr.replace(/:/g, ""));
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// FUTURE: We could add optional param support here too
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if(substr.startsWith("::"))
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return `(.+)`;
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else
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return `([^\/]+)`;
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}) + "$", "i");
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if(verbose) console.info("[router/verbose] Created regex", regex);
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return { regex, tokens };
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}
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