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Use unminified source for chain.js

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fkloft 2015-02-07 15:50:43 +01:00
parent 423c8043a6
commit 507ec8c8ee
1 changed files with 153 additions and 1 deletions
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154
external/load.js vendored
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@ -1,7 +1,159 @@
/* Copyright (c) 2010 Chris O'Hara <cohara87@gmail.com>. MIT Licensed */ /* Copyright (c) 2010 Chris O'Hara <cohara87@gmail.com>. MIT Licensed */
//Include the chain.js microframework (http://github.com/chriso/chain.js) //Include the chain.js microframework (http://github.com/chriso/chain.js)
(function(a){a=a||{};var b={},c,d;c=function(a,d,e){var f=a.halt=!1;a.error=function(a){throw a},a.next=function(c){c&&(f=!1);if(!a.halt&&d&&d.length){var e=d.shift(),g=e.shift();f=!0;try{b[g].apply(a,[e,e.length,g])}catch(h){a.error(h)}}return a};for(var g in b){if(typeof a[g]==="function")continue;(function(e){a[e]=function(){var g=Array.prototype.slice.call(arguments);if(e==="onError"){if(d){b.onError.apply(a,[g,g.length]);return a}var h={};b.onError.apply(h,[g,g.length]);return c(h,null,"onError")}g.unshift(e);if(!d)return c({},[g],e);a.then=a[e],d.push(g);return f?a:a.next()}})(g)}e&&(a.then=a[e]),a.call=function(b,c){c.unshift(b),d.unshift(c),a.next(!0)};return a.next()},d=a.addMethod=function(d){var e=Array.prototype.slice.call(arguments),f=e.pop();for(var g=0,h=e.length;g<h;g++)typeof e[g]==="string"&&(b[e[g]]=f);--h||(b["then"+d.substr(0,1).toUpperCase()+d.substr(1)]=f),c(a)},d("chain",function(a){var b=this,c=function(){if(!b.halt){if(!a.length)return b.next(!0);try{null!=a.shift().call(b,c,b.error)&&c()}catch(d){b.error(d)}}};c()}),d("run",function(a,b){var c=this,d=function(){c.halt||--b||c.next(!0)},e=function(a){c.error(a)};for(var f=0,g=b;!c.halt&&f<g;f++)null!=a[f].call(c,d,e)&&d()}),d("defer",function(a){var b=this;setTimeout(function(){b.next(!0)},a.shift())}),d("onError",function(a,b){var c=this;this.error=function(d){c.halt=!0;for(var e=0;e<b;e++)a[e].call(c,d)}})})(this); (function(exports) {
exports = exports || {};
var handlers = {}, createChain, add;
createChain = function (context, stack, lastMethod) {
var inHandler = context.halt = false;
//The default error handler
context.error = function (e) {
throw e;
};
//Run the next method in the chain
context.next = function (exit) {
if (exit) {
inHandler = false;
}
if (!context.halt && stack && stack.length) {
var args = stack.shift(), method = args.shift();
inHandler = true;
try {
handlers[method].apply(context, [args, args.length, method]);
} catch (e) {
context.error(e);
}
}
return context;
};
//Bind each method to the context
for (var alias in handlers) {
if (typeof context[alias] === 'function') {
continue;
}
(function (alias) {
context[alias] = function () {
var args = Array.prototype.slice.call(arguments);
if (alias === 'onError') {
if (stack) {
handlers.onError.apply(context, [args, args.length]);
return context;
}
var new_context = {};
handlers.onError.apply(new_context, [args, args.length]);
return createChain(new_context, null, 'onError');
}
args.unshift(alias);
if (!stack) {
return createChain({}, [args], alias);
}
context.then = context[alias];
stack.push(args);
return inHandler ? context : context.next();
};
}(alias));
}
//'then' is an alias for the last method that was called
if (lastMethod) {
context.then = context[lastMethod];
}
//Used to call run(), chain() or another existing method when defining a new method
//See load.js (https://github.com/chriso/load.js/blob/master/load.js) for an example
context.call = function (method, args) {
args.unshift(method);
stack.unshift(args);
context.next(true);
};
return context.next();
};
//Add a custom method/handler (see below)
add = exports.addMethod = function (method /*, alias1, alias2, ..., callback */) {
var args = Array.prototype.slice.call(arguments),
handler = args.pop();
for (var i = 0, len = args.length; i < len; i++) {
if (typeof args[i] === 'string') {
handlers[args[i]] = handler;
}
}
//When no aliases have been defined, automatically add 'then<Method>'
//e.g. adding 'run' also adds 'thenRun' as a method
if (!--len) {
handlers['then' + method.substr(0,1).toUpperCase() + method.substr(1)] = handler;
}
createChain(exports);
};
//chain() - Run each function sequentially
add('chain', function (args) {
var self = this, next = function () {
if (self.halt) {
return;
} else if (!args.length) {
return self.next(true);
}
try {
if (null != args.shift().call(self, next, self.error)) {
next();
}
} catch (e) {
self.error(e);
}
};
next();
});
//run() - Run each function in parallel and progress once all functions are complete
add('run', function (args, arg_len) {
var self = this, chain = function () {
if (self.halt) {
return;
} else if (!--arg_len) {
self.next(true);
}
};
var error = function (e) {
self.error(e);
};
for (var i = 0, len = arg_len; !self.halt && i < len; i++) {
if (null != args[i].call(self, chain, error)) {
chain();
}
}
});
//defer() - Defer execution of the next method
add('defer', function (args) {
var self = this;
setTimeout(function () {
self.next(true);
}, args.shift());
});
//onError() - Attach an error handler
add('onError', function (args, arg_len) {
var self = this;
this.error = function (err) {
self.halt = true;
for (var i = 0; i < arg_len; i++) {
args[i].call(self, err);
}
};
});
}(this));
var head = document.getElementsByTagName('head')[0] || document.documentElement; var head = document.getElementsByTagName('head')[0] || document.documentElement;