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node_modules/nwmatcher/src/modules/nwmatcher-jquery.js
Maintainability
54.47
Lines of code
108
Difficulty
18.40
Estimated Errors
0.76
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/* * Copyright (C) 2007-2015 Diego Perini * All rights reserved. * * this is just a small example to show * how an extension for NWMatcher could be * adapted to handle special jQuery selectors * * Child Selectors * :even, :odd, :eq, :lt, :gt, :first, :last, :nth * * Pseudo Selectors * :has, :button, :header, :input, :checkbox, :radio, :file, :image * :password, :reset, :submit, :text, :hidden, :visible, :parent * */ // for structural pseudo-classes extensions NW.Dom.registerSelector( 'jquery:child', /^\:((?:(nth|eq|lt|gt)\(([^()]*)\))|(?:even|odd|first|last))(.*)/i, (function(global) { return function(match, source, selector) { var status = true, ACCEPT_NODE = NW.Dom.ACCEPT_NODE; switch (match[1].toLowerCase()) { case 'odd': source = source.replace(ACCEPT_NODE, 'if((x=x^1)==0){' + ACCEPT_NODE + '}'); break; case 'even': source = source.replace(ACCEPT_NODE, 'if((x=x^1)==1){' + ACCEPT_NODE + '}'); break; case 'first': source = 'n=h.getElementsByTagName(e.nodeName);if(n.length&&n[0]===e){' + source + '}'; break; case 'last': source = 'n=h.getElementsByTagName(e.nodeName);if(n.length&&n[n.length-1]===e){' + source + '}'; break; default: switch (match[2].toLowerCase()) { case 'nth': source = 'n=h.getElementsByTagName(e.nodeName);if(n.length&&n[' + match[3] + ']===e){' + source + '}'; break; case 'eq': source = source.replace(ACCEPT_NODE, 'if(x++==' + match[3] + '){' + ACCEPT_NODE + '}'); break; case 'lt': source = source.replace(ACCEPT_NODE, 'if(x++<' + match[3] + '){' + ACCEPT_NODE + '}'); break; case 'gt': source = source.replace(ACCEPT_NODE, 'if(x++>' + match[3] + '){' + ACCEPT_NODE + '}'); break; default: status = false; break; } break; } // compiler will add this to "source" return global.Object({ 'source': source, 'status': status }); }; })(this)); // for element pseudo-classes extensions NW.Dom.registerSelector( 'jquery:pseudo', /^\:(has|checkbox|file|image|password|radio|reset|submit|text|button|input|header|hidden|visible|parent)(?:\(\s*(["']*)?([^'"()]*)\2\s*\))?(.*)/i, (function(global) { return function(match, source) { var status = true, ACCEPT_NODE = NW.Dom.ACCEPT_NODE; switch(match[1].toLowerCase()) { case 'has': source = source.replace(ACCEPT_NODE, 'if(e.getElementsByTagName("' + match[3].replace(/^\s|\s$/g, '') + '")[0]){' + ACCEPT_NODE + '}'); break; case 'checkbox': case 'file': case 'image': case 'password': case 'radio': case 'reset': case 'submit': case 'text': // :checkbox, :file, :image, :password, :radio, :reset, :submit, :text source = 'if(/^' + match[1] + '$/i.test(e.type)){' + source + '}'; break; case 'button': case 'input': source = 'if(e.type||/button/i.test(e.nodeName)){' + source + '}'; break; case 'header': source = 'if(/h[1-6]/i.test(e.nodeName)){' + source + '}'; break; case 'hidden': source = 'if(!e.offsetWidth&&!e.offsetHeight){' + source + '}'; break; case 'visible': source = 'if(e.offsetWidth||e.offsetHeight){' + source + '}'; break; case 'parent': source += 'if(e.firstChild){' + source + '}'; break; default: status = false; break; } // compiler will add this to "source" return global.Object({ 'source': source, 'status': status }); }; })(this));