mirror of
https://github.com/denoland/deno.git
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84 lines
2.5 KiB
JavaScript
84 lines
2.5 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.mergePath = exports.isAbsoluteURL = exports.getPathFromURL = exports.getPattern = exports.splitPath = void 0;
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const URL_REGEXP = /^https?:\/\/[a-zA-Z0-9\-\.:]+(\/?[^?#]*)/;
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const splitPath = (path) => {
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const paths = path.split(/\//); // faster than path.split('/')
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if (paths[0] === '') {
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paths.shift();
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}
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return paths;
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};
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exports.splitPath = splitPath;
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const patternCache = {};
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const getPattern = (label) => {
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// * => wildcard
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// :id{[0-9]+} => ([0-9]+)
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// :id => (.+)
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//const name = ''
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if (label === '*') {
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return '*';
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}
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const match = label.match(/^\:([^\{\}]+)(?:\{(.+)\})?$/);
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if (match) {
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if (!patternCache[label]) {
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if (match[2]) {
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patternCache[label] = [label, match[1], new RegExp('^' + match[2] + '$')];
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}
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else {
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patternCache[label] = [label, match[1], true];
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}
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}
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return patternCache[label];
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}
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return null;
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};
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exports.getPattern = getPattern;
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const getPathFromURL = (url, strict = true) => {
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const queryIndex = url.indexOf('?');
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const result = url.substring(url.indexOf('/', 8), queryIndex === -1 ? url.length : queryIndex);
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// if strict routing is false => `/hello/hey/` and `/hello/hey` are treated the same
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// default is true
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if (strict === false && result.endsWith('/')) {
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return result.slice(0, -1);
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}
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return result;
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};
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exports.getPathFromURL = getPathFromURL;
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const isAbsoluteURL = (url) => {
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const match = url.match(URL_REGEXP);
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if (match) {
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return true;
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}
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return false;
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};
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exports.isAbsoluteURL = isAbsoluteURL;
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const mergePath = (...paths) => {
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let p = '';
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let endsWithSlash = false;
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for (let path of paths) {
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/* ['/hey/','/say'] => ['/hey', '/say'] */
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if (p.endsWith('/')) {
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p = p.slice(0, -1);
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endsWithSlash = true;
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}
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/* ['/hey','say'] => ['/hey', '/say'] */
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if (!path.startsWith('/')) {
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path = `/${path}`;
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}
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/* ['/hey/', '/'] => `/hey/` */
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if (path === '/' && endsWithSlash) {
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p = `${p}/`;
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}
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else if (path !== '/') {
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p = `${p}${path}`;
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}
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/* ['/', '/'] => `/` */
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if (path === '/' && p === '') {
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p = '/';
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}
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}
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return p;
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};
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exports.mergePath = mergePath;
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