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94 lines
1.8 KiB
94 lines
1.8 KiB
function addGlobalStyle(text)
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{
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var style = document.createElement('style');
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style.type='text/css';
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if(style.styleSheet) {
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style.styleSheet.cssText = text;
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} else {
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style.appendChild(document.createTextNode(text));
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}
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document.getElementsByTagName('head')[0].appendChild(style);
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return style;
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}
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function hasClass(ele, cls)
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{
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return !!ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
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}
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function addClass(ele, cls)
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{
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if(!hasClass(ele,cls)) ele.className += " "+cls;
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}
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Array.prototype.where = function(predicate) {
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output = [];
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for(const elem of this) {
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if(predicate(elem)) output.push(elem);
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}
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return output;
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};
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Array.prototype.associate = function(keys) {
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var output = {};
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for(let i=0;i<this.length;i++)
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{
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output[keys[i]] = this[i];
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}
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return output;
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};
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String.prototype.il_switch = function(obj, def) {
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for(const key of obj)
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{
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if(this === key) return obj[key];
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}
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return def;
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};
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function removeClass(ele,cls)
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{
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if(hasClass(ele,cls))
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{
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const reg = new RegExp('(\\s|^)'+cls+'(\\s|$)');
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ele.className = ele.className.replace(reg, ' ');
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}
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}
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function Dispatcher() {
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this.hooks = {};
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}
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Dispatcher.prototype.hook = function(name, value) {
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if(this.hooks[name]) {
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this.hooks[name].push(value);
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return {id: name, index: this.hooks[name].length-1};
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}
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else {
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this.hooks[name] = [value];
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return {id: name, index: 0};
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}
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};
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Dispatcher.prototype.signal = function(name,value) {
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if(this.hooks[name]) {
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for(const hook of this.hooks[name])i
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if(hook)
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hook(value);
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}
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};
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Dispatcher.prototype.unhook = function(hook) {
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const name = hook.id;
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if(name && hook.index && this.hooks[name]) {
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this.hooks[name][hook.index] = null;
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}
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};
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Dispatcher.prototype.clear = function(name) {
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if(name) this.hooks[name] = null;
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else this.hooks = {};
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};
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