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hn job query search
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| function query() { | |
| var | |
| total = 0, shown = 0, | |
| // HN is done with very unsemantic classes. | |
| job_list = Array.prototype.slice.call(document.querySelectorAll('.c5a,.c00,.cdd,.c73,.c88')), | |
| query_list = Array.prototype.slice.call(arguments); | |
| // This traverses up the dom stack trying to find a match of a specific class | |
| function upTo(node, klass) { | |
| if (node.className === klass) { | |
| return node; | |
| } | |
| if(node === document.body) { | |
| throw new Exception(); | |
| } | |
| return upTo(node.parentNode, klass); | |
| } | |
| function style(node, what) { | |
| upTo(node, 'athing').style.display = what; | |
| } | |
| // Turn them all off | |
| job_list.forEach(function(node) { | |
| style(node, 'none'); | |
| total ++; | |
| }); | |
| query_list.forEach(function(query) { | |
| if (query.forEach) { | |
| var and_query_list = query.map(function(what) { | |
| return what.toLowerCase(); | |
| }); | |
| job_list.forEach(function(node) { | |
| var | |
| doesMatch = true, | |
| toTest = node.innerHTML.toLowerCase(); | |
| and_query_list.forEach(function(query) { | |
| doesMatch &= (toTest.search(query) > -1); | |
| }) | |
| if(doesMatch) { | |
| style(node, 'block'); | |
| shown ++; | |
| } | |
| }); | |
| } else { | |
| query = query.toLowerCase(); | |
| job_list.forEach(function(node) { | |
| if(node.innerHTML.toLowerCase().search(query) !== -1) { | |
| style(node, 'block'); | |
| shown ++; | |
| } | |
| }); | |
| } | |
| }); | |
| return {shown: shown, total: total} | |
| } |
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