aaac7fed
 liuqimichale
add
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var _ = require('lodash');
var url = require('url');
var isGlob = require('is-glob');
var micromatch = require('micromatch');
module.exports = {
match: matchContext
};
function matchContext(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('[HPM] Invalid context. Expecting something like: ["/api", "/ajax"] or ["/api/**", "!**.html"]');
}
// custom matching
if (_.isFunction(context)) {
var pathname = getUrlPathName(uri);
return context(pathname, req);
}
throw new Error('[HPM] Invalid context. Expecting something like: "/api" or ["/api", "/ajax"]');
}
/**
* @param {String} context '/api'
* @param {String} uri 'http://example.org/api/b/c/d.html'
* @return {Boolean}
*/
function matchSingleStringPath(context, uri) {
var pathname = getUrlPathName(uri);
return pathname.indexOf(context) === 0;
}
function matchSingleGlobPath(pattern, uri) {
var pathname = getUrlPathName(uri);
var matches = micromatch(pathname, pattern);
return matches && (matches.length > 0);
}
function matchMultiGlobPath(patternList, uri) {
return matchSingleGlobPath(patternList, uri);
}
/**
* @param {String} context ['/api', '/ajax']
* @param {String} uri 'http://example.org/api/b/c/d.html'
* @return {Boolean}
*/
function matchMultiPath(contextList, uri) {
for (var i = 0; i < contextList.length; i++) {
var context = contextList[i];
if (matchSingleStringPath(context, uri)) {
return true;
}
}
return false;
}
/**
* 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 _.isString(context) && !isGlob(context);
}
function isGlobPath(context) {
return isGlob(context);
}
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