☰

vanilla-lib

Vanilla JS library

当前为 2018-06-15 提交的版本，查看 最新版本。

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.gf.qytechs.cn/scripts/369430/605962/vanilla-lib.js 

  1. /* vanilla-lib */
  2. function VanillaLibScope( ) {
  3. 	this.mapFlat = ( array,func ) => array.map( x => func(x) ).reduce( (a,b) => a.concat(b) );
  4. 	this.parenth = ( elem,nth ) => traverse(elem, this.ifndef(nth, 1), 0);
  5. 	this.ifndef  = ( expr,value ) => ( this.ndef(expr) ? value : expr );
  6. 	this.ispojo  = expr => this.isobj(expr, Object);
  7. 	this.export  = ( source,target,members ) => ( Object.keys(source).filter( key => ! members || members.includes(key) )
  8. 	                                                                 .forEach( key => target[ key ] = source[ key ] ) );
  9. 	this.ifnan   = ( expr,value ) => ( isNaN(expr) ? value : expr );
  10. 	this.isobj   = ( expr,type ) => ( 'object' === typeof expr && ( ! type || this.isfn(expr.constructor)
  11. 	                                      && type === ( this.isfn(type) ? expr.constructor : expr.constructor.name ) ) );
  12. 	this.isarr   = expr => this.isobj(expr, Array);
  13. 	this.isstr   = expr => ( 'string' === typeof expr );
  14. 	this.isfn    = expr => ( 'function' === typeof expr );
  15. 	this.ndef    = expr => ( 'undefined' === typeof expr );
  16. 	this.test    = ( expr,func,other ) => ( !! expr ? func(expr) : this.isfn(other) ? other(expr) : other );
  17. 	this.fire    = ( elem,event,args ) => elem.dispatchEvent( this.isobj(event) ? even
  18. 	                                     : new Event( event, this.ifndef(args, { 'bubbles':true, 'cancelable':true }) ) );
  19. 	this.warn    = console.warn;
  20. 	this.log     = console.debug;
  21. 	this.on      = ( elem,event,func ) => elem.addEventListener(event, func);
  22. 	this.$$      = ( sel,elem ) => Array.slice((elem || document).querySelectorAll(sel));
  23. 	this.$       = ( sel,elem ) => (elem || document).querySelector(sel);
  24.  
  25. 	this.aggRate = ( amount,rate,periods ) => ( ! periods ? amount : this.aggRate(amount * rate, rate, periods - 1) ),
  26. 	this.toDec   = expr => ( Math.round(parseFloat((expr +'').replace(/\$|,/g, '')) * 100) / 100 );
  27.  
  28.  
  29. 	this.appendTo = function( element, parent, reference ) {
  30. 		if ( !! reference ) {
  31. 			parent    = reference.parentNode;
  32. 			reference = reference.nextSibling;
  33. 		}
  34.  
  35. 		if ( !! reference ) {
  36. 			return  this.prependTo(element, parent, reference);
  37. 		} else  if ( !! parent ) {
  38. 			parent.append(element);
  39. 		} else {
  40. 			this.warn('*** appendTo() could not add element: No parent or reference element provided');
  41. 		}
  42.  
  43. 		return  element;
  44. 	};
  45.  
  46. 	this.attr = function( elem, name, value ) {
  47. 		if ( this.isarr(elem) ) {
  48. 			return  elem.map( el => this.attr(el, name, value) );
  49. 		}
  50.  
  51. 		this.keysAndValues(name, value, ( n,v ) => ( null === v ? elem.removeAttribute(n) : elem.setAttribute(n, v) ) );
  52. 		return  elem;
  53. 	};
  54.  
  55. 	this.create = function( html, containerType ) {
  56. 		let  container = null,
  57. 		     result    = null,
  58. 		     attrs, style;
  59.  
  60. 		if ( this.isobj(containerType) ) {
  61. 			attrs         = containerType.attrs;
  62. 			style         = containerType.style;
  63. 			containerType = containerType.container;
  64. 		}
  65.  
  66. 		containerType = containerType || 'div';
  67. 		create[ containerType ] =
  68. 		container               = create[ containerType ] || document.createElement(containerType);
  69. 		container.innerHTML = html;
  70. 		result = Array.slice(container.childNodes)
  71. 		         	.map( elem => (elem.remove(), elem) );
  72.  
  73. 		if ( !! attrs ) {
  74. 			this.attr(result, attrs);
  75. 		}
  76. 		if ( !! style ) {
  77. 			this.css(result, style);
  78. 		}
  79.  
  80. 		if ( 1 == result.length ) {
  81. 			result = result[ 0 ];
  82. 		}
  83. 		return  result;
  84. 	};
  85.  
  86. 	this.css = function( element, key, value ) {
  87. 		if ( isarr(element) ) {
  88. 			return  element.map( el => css(el, key, value) );
  89. 		}
  90.  
  91. 		keysAndValues(key, value, ( k,v ) => element.style[ k ] = v );
  92. 		return  element;
  93. 	};
  94.  
  95. 	this.keysAndValues = function( key, value, action ) {
  96. 		// Case 1: key is an object (and there is no value)
  97. 		if ( this.isobj(key) && ! value ) {
  98. 			return  Object.keys(key)
  99. 			        	.map( k => action(k, key[ k ]) );
  100. 		// Case 2: key is an array
  101. 		} else if ( this.isarr(key) ) {
  102. 			// Case 1.a: value is an array of the same length
  103. 			if ( this.isarr(value) && key.length === value.length ) {
  104. 				return  key.map( ( k,i ) => action(k, value[ i ]) );
  105. 			// Case 1.b: value is considered a simple, plain value
  106. 			} else {
  107. 				return  key.map( k => action(k, value) );
  108. 			}
  109. 		// Default Case: key and value considered as simple, plain values
  110. 		} else {
  111. 			return  action(key, value);
  112. 		}
  113. 	};
  114.  
  115. 	this.prependTo = function( element, parent, reference ) {
  116. 		if ( ! reference && !! parent ) {
  117. 			reference = parent.childNodes[ 0 ];
  118. 		}
  119.  
  120. 		if ( !! reference ) {
  121. 			reference.parentNode.insertBefore(element, reference);
  122. 		} else if ( !! parent ) {
  123. 			parent.append(element);
  124. 		} else {
  125. 			this.warn('*** prependTo() could not add element: No parent or reference element provided');
  126. 		}
  127.  
  128. 		return  element;
  129. 	};
  130.  
  131. 	this.toDec2 = function( amount ) {
  132. 		amount = this.toDec(amount);
  133. 		if ( isNaN(amount) ) {
  134. 			return  null;
  135. 		}
  136. 		let  segs = (amount +'').split('.');
  137. 		return  segs[ 0 ] +'.'+ ((segs[ 1 ] || 0) +'0').slice(0, 2);
  138. 	};
  139.  
  140. 	this.toMoney = function( amount ) {
  141. 		let  dec2 = this.toDec2(amount);
  142. 		return  ( isNaN(dec2) ? null : dec2 < 0 ? '-$ '+ (-dec2) : '$ '+ dec2 );
  143. 	};
  144.  
  145. 	this.traverse = function( elem, up, sideways, elementsOnly, lastIfNull ) {
  146. 		let  last = elem;
  147. 		while ( !! elem && up -- > 0 )  elem = (last = elem, elem.parentNode);
  148.  
  149. 		let  prop = ( elementsOnly ? 'Element' : '' ) +'Sibling';
  150. 		if ( sideways < 0 ) {
  151. 			while ( !! elem && sideways ++ < 0 )  elem = (last = elem, elem[ 'previous'+ prop ]);
  152. 		} else if ( sideways > 0 ) {
  153. 			while ( !! elem && sideways -- > 0 )  elem = (last = elem, elem[ 'next'+ prop ]);
  154. 		}
  155.  
  156. 		return  ( ! lastIfNull ? elem : elem || last );
  157. 	};
  158.  
  159.  
  160. 	this.copyMembers = function( source, target, members, preserve ) {
  161. 		//this.log('* Copying from', source, '\n\tto', target, '\n\t'+ members, preserve);
  162. 		if ( ! this.isobj(source) || ! this.isobj(target) ) {
  163. 			this.warn('=> Cannot copy from/to non-objects');
  164. 			return  false;
  165. 		}
  166.  
  167. 		let  names = Object.keys(source);
  168. 		preserve = ( this.isobj(preserve) ? preserve : false );
  169. 		//this.log('- Full list of members:', names);
  170.  
  171. 		if ( this.isstr(members) ) {
  172. 			members = members.split(',').map( nm => nm.trim() );
  173. 		}
  174. 		if ( this.isarr(members) ) {
  175. 			//this.log('* Member filter:', members);
  176. 			names = names.filter( nm => members.includes(nm) );
  177. 		} else if ( this.isfn(members) ) {
  178. 			names = names.filter(members);
  179. 		}
  180. 		//this.log('- Filtered list of members:', names);
  181.  
  182. 		names.forEach( nm => {
  183. 			if ( !! target[ nm ] && !! preserve ) {
  184. 				preserve[ nm ] = target[ nm ];
  185. 			}
  186. 			target[ nm ] = source[ nm ];
  187. 			//this.log('- Target members', nm, target[ nm ]);
  188. 		} );
  189. 		//this.log('=>', target);
  190. 		return  (preserve || target);
  191. 	};
  192.  
  193. 	this.export = function( scope, members, overwriten ) {
  194. 		if ( ! scope ) {
  195. 			return  false;
  196. 		}
  197. 		return  this.copyMembers(this, scope, members, overwriten);
  198. 	};
  199. }

欢迎访问Greasy Fork镜像

土豆服务器，请按需使用

镜像地址随时可能被墙，建议加群获取最新地址

加入Q群

QingJ © 2025

镜像随时可能失效，请加Q群300939539或关注我们的公众号极客氢云获取最新地址