79 lines
2.1 KiB
JavaScript
79 lines
2.1 KiB
JavaScript
'use strict';
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module.exports = function eggspress() {
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//var patternsMap = {};
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var allPatterns = [];
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var app = function (req, res) {
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var patterns = allPatterns.slice(0).reverse();
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function next() {
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var todo = patterns.pop();
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if (!todo) {
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console.log('[eggspress] Did not match any patterns', req.url);
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require('finalhandler')(req, res)();
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return;
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}
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// '', GET, POST, DELETE
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if (todo[2] && req.method.toLowerCase() !== todo[2]) {
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//console.log("[eggspress] HTTP method doesn't match", req.url);
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next();
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return;
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}
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if (!req.url.match(todo[0])) {
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//console.log("[eggspress] pattern doesn't match", todo[0], req.url);
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next();
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return;
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} else if ('string' === typeof todo[0] && 0 !== req.url.match(todo[0]).index) {
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//console.log("[eggspress] string pattern is not the start", todo[0], req.url);
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next();
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return;
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}
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try {
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//console.log("[eggspress] matched pattern", todo[0], req.url);
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todo[1](req, res, next);
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} catch(e) {
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console.error("[eggspress] error", todo[2], todo[0], req.url);
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console.error(e);
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// TODO make a nice error message
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res.end(e.message);
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return;
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}
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}
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next();
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};
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app.use = function (pattern, fn) {
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return app._use('', pattern, fn);
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};
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[ 'GET', 'POST', 'DELETE' ].forEach(function (method) {
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app[method.toLowerCase()] = function (pattern, fn) {
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return app._use(method, pattern, fn);
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};
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});
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app.post = function (pattern, fn) {
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return app._use('POST', pattern, fn);
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};
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app._use = function (method, pattern, fn) {
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// always end in a slash, for now
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if ('string' === typeof pattern) {
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pattern = pattern.replace(/\/$/, '') + '/';
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}
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/*
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if (!patternsMap[pattern]) {
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patternsMap[pattern] = [];
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}
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patternsMap[pattern].push(fn);
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patterns = Object.keys(patternsMap).sort(function (a, b) {
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return b.length - a.length;
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});
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*/
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allPatterns.push([pattern, fn, method.toLowerCase()]);
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return app;
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};
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return app;
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};
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