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-
-
- 'use strict';
-
-
-
- var debug = require('debug')('express:router:route');
- var flatten = require('array-flatten');
- var Layer = require('./layer');
- var methods = require('methods');
-
-
-
- var slice = Array.prototype.slice;
- var toString = Object.prototype.toString;
-
-
-
- module.exports = Route;
-
-
-
- function Route(path) {
- this.path = path;
- this.stack = [];
-
- debug('new %o', path)
-
-
- this.methods = {};
- }
-
-
-
- Route.prototype._handles_method = function _handles_method(method) {
- if (this.methods._all) {
- return true;
- }
-
- var name = method.toLowerCase();
-
- if (name === 'head' && !this.methods['head']) {
- name = 'get';
- }
-
- return Boolean(this.methods[name]);
- };
-
-
-
- Route.prototype._options = function _options() {
- var methods = Object.keys(this.methods);
-
-
- if (this.methods.get && !this.methods.head) {
- methods.push('head');
- }
-
- for (var i = 0; i < methods.length; i++) {
-
- methods[i] = methods[i].toUpperCase();
- }
-
- return methods;
- };
-
-
-
- Route.prototype.dispatch = function dispatch(req, res, done) {
- var idx = 0;
- var stack = this.stack;
- if (stack.length === 0) {
- return done();
- }
-
- var method = req.method.toLowerCase();
- if (method === 'head' && !this.methods['head']) {
- method = 'get';
- }
-
- req.route = this;
-
- next();
-
- function next(err) {
-
- if (err && err === 'route') {
- return done();
- }
-
-
- if (err && err === 'router') {
- return done(err)
- }
-
- var layer = stack[idx++];
- if (!layer) {
- return done(err);
- }
-
- if (layer.method && layer.method !== method) {
- return next(err);
- }
-
- if (err) {
- layer.handle_error(err, req, res, next);
- } else {
- layer.handle_request(req, res, next);
- }
- }
- };
-
-
-
- Route.prototype.all = function all() {
- var handles = flatten(slice.call(arguments));
-
- for (var i = 0; i < handles.length; i++) {
- var handle = handles[i];
-
- if (typeof handle !== 'function') {
- var type = toString.call(handle);
- var msg = 'Route.all() requires a callback function but got a ' + type
- throw new TypeError(msg);
- }
-
- var layer = Layer('/', {}, handle);
- layer.method = undefined;
-
- this.methods._all = true;
- this.stack.push(layer);
- }
-
- return this;
- };
-
- methods.forEach(function(method){
- Route.prototype[method] = function(){
- var handles = flatten(slice.call(arguments));
-
- for (var i = 0; i < handles.length; i++) {
- var handle = handles[i];
-
- if (typeof handle !== 'function') {
- var type = toString.call(handle);
- var msg = 'Route.' + method + '() requires a callback function but got a ' + type
- throw new Error(msg);
- }
-
- debug('%s %o', method, this.path)
-
- var layer = Layer('/', {}, handle);
- layer.method = method;
-
- this.methods[method] = true;
- this.stack.push(layer);
- }
-
- return this;
- };
- });
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