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lib/vendor | ||
lib/assets/vendor | ||
test/cli/sample-project | ||
test/cli/sample-project-link | ||
test/browser/support/vendor | ||
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var addSorting = (function () { | ||
"use strict"; | ||
var cols, | ||
currentSort = { | ||
index: 0, | ||
desc: false | ||
}; | ||
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// returns the summary table element | ||
function getTable() { return document.querySelector('.coverage-summary table'); } | ||
// returns the thead element of the summary table | ||
function getTableHeader() { return getTable().querySelector('thead tr'); } | ||
// returns the tbody element of the summary table | ||
function getTableBody() { return getTable().querySelector('tbody'); } | ||
// returns the th element for nth column | ||
function getNthColumn(n) { return getTableHeader().querySelectorAll('th')[n]; } | ||
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// loads all columns | ||
function loadColumns() { | ||
var colNodes = getTableHeader().querySelectorAll('th'), | ||
colNode, | ||
cols = [], | ||
col, | ||
i; | ||
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for (i = 0; i < colNodes.length; i += 1) { | ||
colNode = colNodes[i]; | ||
col = { | ||
key: colNode.getAttribute('data-col'), | ||
sortable: !colNode.getAttribute('data-nosort'), | ||
type: colNode.getAttribute('data-type') || 'string' | ||
}; | ||
cols.push(col); | ||
if (col.sortable) { | ||
col.defaultDescSort = col.type === 'number'; | ||
colNode.innerHTML = colNode.innerHTML + '<span class="sorter"></span>'; | ||
} | ||
} | ||
return cols; | ||
} | ||
// attaches a data attribute to every tr element with an object | ||
// of data values keyed by column name | ||
function loadRowData(tableRow) { | ||
var tableCols = tableRow.querySelectorAll('td'), | ||
colNode, | ||
col, | ||
data = {}, | ||
i, | ||
val; | ||
for (i = 0; i < tableCols.length; i += 1) { | ||
colNode = tableCols[i]; | ||
col = cols[i]; | ||
val = colNode.getAttribute('data-value'); | ||
if (col.type === 'number') { | ||
val = Number(val); | ||
} | ||
data[col.key] = val; | ||
} | ||
return data; | ||
} | ||
// loads all row data | ||
function loadData() { | ||
var rows = getTableBody().querySelectorAll('tr'), | ||
i; | ||
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for (i = 0; i < rows.length; i += 1) { | ||
rows[i].data = loadRowData(rows[i]); | ||
} | ||
} | ||
// sorts the table using the data for the ith column | ||
function sortByIndex(index, desc) { | ||
var key = cols[index].key, | ||
sorter = function (a, b) { | ||
a = a.data[key]; | ||
b = b.data[key]; | ||
return a < b ? -1 : a > b ? 1 : 0; | ||
}, | ||
finalSorter = sorter, | ||
tableBody = document.querySelector('.coverage-summary tbody'), | ||
rowNodes = tableBody.querySelectorAll('tr'), | ||
rows = [], | ||
i; | ||
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if (desc) { | ||
finalSorter = function (a, b) { | ||
return -1 * sorter(a, b); | ||
}; | ||
} | ||
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for (i = 0; i < rowNodes.length; i += 1) { | ||
rows.push(rowNodes[i]); | ||
tableBody.removeChild(rowNodes[i]); | ||
} | ||
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rows.sort(finalSorter); | ||
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for (i = 0; i < rows.length; i += 1) { | ||
tableBody.appendChild(rows[i]); | ||
} | ||
} | ||
// removes sort indicators for current column being sorted | ||
function removeSortIndicators() { | ||
var col = getNthColumn(currentSort.index), | ||
cls = col.className; | ||
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cls = cls.replace(/ sorted$/, '').replace(/ sorted-desc$/, ''); | ||
col.className = cls; | ||
} | ||
// adds sort indicators for current column being sorted | ||
function addSortIndicators() { | ||
getNthColumn(currentSort.index).className += currentSort.desc ? ' sorted-desc' : ' sorted'; | ||
} | ||
// adds event listeners for all sorter widgets | ||
function enableUI() { | ||
var i, | ||
el, | ||
ithSorter = function ithSorter(i) { | ||
var col = cols[i]; | ||
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return function () { | ||
var desc = col.defaultDescSort; | ||
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if (currentSort.index === i) { | ||
desc = !currentSort.desc; | ||
} | ||
sortByIndex(i, desc); | ||
removeSortIndicators(); | ||
currentSort.index = i; | ||
currentSort.desc = desc; | ||
addSortIndicators(); | ||
}; | ||
}; | ||
for (i =0 ; i < cols.length; i += 1) { | ||
if (cols[i].sortable) { | ||
el = getNthColumn(i).querySelector('.sorter'); | ||
if (el.addEventListener) { | ||
el.addEventListener('click', ithSorter(i)); | ||
} else { | ||
el.attachEvent('onclick', ithSorter(i)); | ||
} | ||
} | ||
} | ||
} | ||
// adds sorting functionality to the UI | ||
return function () { | ||
if (!getTable()) { | ||
return; | ||
} | ||
cols = loadColumns(); | ||
loadData(cols); | ||
addSortIndicators(); | ||
enableUI(); | ||
}; | ||
})(); | ||
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window.addEventListener('load', addSorting); |
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