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2 years ago
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.match = void 0;
const isGlob = require("is-glob");
const micromatch = require("micromatch");
const url = require("url");
const errors_1 = require("./errors");
function match(context, uri, req) {
// single path
if (isStringPath(context)) {
return matchSingleStringPath(context, uri);
}
// single glob path
if (isGlobPath(context)) {
return matchSingleGlobPath(context, uri);
}
// multi path
if (Array.isArray(context)) {
if (context.every(isStringPath)) {
return matchMultiPath(context, uri);
}
if (context.every(isGlobPath)) {
return matchMultiGlobPath(context, uri);
}
throw new Error(errors_1.ERRORS.ERR_CONTEXT_MATCHER_INVALID_ARRAY);
}
// custom matching
if (typeof context === 'function') {
const pathname = getUrlPathName(uri);
return context(pathname, req);
}
throw new Error(errors_1.ERRORS.ERR_CONTEXT_MATCHER_GENERIC);
}
exports.match = match;
/**
* @param {String} context '/api'
* @param {String} uri 'http://example.org/api/b/c/d.html'
* @return {Boolean}
*/
function matchSingleStringPath(context, uri) {
const pathname = getUrlPathName(uri);
return pathname.indexOf(context) === 0;
}
function matchSingleGlobPath(pattern, uri) {
const pathname = getUrlPathName(uri);
const matches = micromatch([pathname], pattern);
return matches && matches.length > 0;
}
function matchMultiGlobPath(patternList, uri) {
return matchSingleGlobPath(patternList, uri);
}
/**
* @param {String} contextList ['/api', '/ajax']
* @param {String} uri 'http://example.org/api/b/c/d.html'
* @return {Boolean}
*/
function matchMultiPath(contextList, uri) {
let isMultiPath = false;
for (const context of contextList) {
if (matchSingleStringPath(context, uri)) {
isMultiPath = true;
break;
}
}
return isMultiPath;
}
/**
* Parses URI and returns RFC 3986 path
*
* @param {String} uri from req.url
* @return {String} RFC 3986 path
*/
function getUrlPathName(uri) {
return uri && url.parse(uri).pathname;
}
function isStringPath(context) {
return typeof context === 'string' && !isGlob(context);
}
function isGlobPath(context) {
return isGlob(context);
}