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57 changes: 4 additions & 53 deletions knockout-sortable.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,60 +2,11 @@

(function (factory) {
"use strict";
//get ko ref via global or require
var koRef;
if (typeof ko !== 'undefined') {
//global ref already defined
koRef = ko;
}
else if (typeof require === 'function' && typeof exports === 'object' && typeof module === 'object') {
//commonjs / node.js
koRef = require('knockout');
}
//get sortable ref via global or require
var sortableRef;
if (typeof Sortable !== 'undefined') {
//global ref already defined
sortableRef = Sortable;
}
else if (typeof require === 'function' && typeof exports === 'object' && typeof module === 'object') {
//commonjs / node.js
sortableRef = require('sortablejs');
}
//use references if we found them
if (koRef !== undefined && sortableRef !== undefined) {
factory(koRef, sortableRef);
}
//if both references aren't found yet, get via AMD if available
else if (typeof define === 'function' && define.amd) {
//we may have a reference to only 1, or none
if (koRef !== undefined && sortableRef === undefined) {
define(['./Sortable'], function (amdSortableRef) {
factory(koRef, amdSortableRef);
});
}
else if (koRef === undefined && sortableRef !== undefined) {
define(['knockout'], function (amdKnockout) {
factory(amdKnockout, sortableRef);
});
}
else if (koRef === undefined && sortableRef === undefined) {
define(['knockout', './Sortable'], factory);
}
}
//no more routes to get references
else {
//report specific error
if (koRef !== undefined && sortableRef === undefined) {
throw new Error('knockout-sortable could not get reference to Sortable');
}
else if (koRef === undefined && sortableRef !== undefined) {
throw new Error('knockout-sortable could not get reference to Knockout');
}
else if (koRef === undefined && sortableRef === undefined) {
throw new Error('knockout-sortable could not get reference to Knockout or Sortable');
}

if (typeof define === 'function' && define.amd) {
define(['knockout', './Sortable'], factory);
}

})(function (ko, Sortable) {
"use strict";

Expand Down