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/**
* Layout rules for Wikipedia article content
*/
exports.name = "Headings should be in order.";
exports.description = "Headers should increase sequentially, or reset to a higher section level.";
exports.rule = function(report) {
findH1s(report);
checkHeadingOrder(report);
};
/**
* No H1 headings should be used in the article content.
*/
var findH1s = function(report) {
$5('#mw-content-text h1').each(
function(idx, elt){
report.error("Top-level headings should not be used in article content.");
});
};
/**
* Check that headers increase one step at a time, or go back to the
* beginning (in this case, heading 2).
*
* Headers using the <header> tag are except from this check.
*/
var checkHeadingOrder = function(report) {
var last=1;
$5('#mw-content-text :header').each(
function(idx, elt){
if (elt.tagName == 'header') {
return;
}
// parse the level out of 'h1', 'h2', 'h3', etc.
var level = parseInt(elt.tagName.substring(1,2));
if (level > (last + 1)) {
report.error("Heading is out of order; heading level was: "+level+
" but last level was: "+last, elt);
}
// set the level regardless, since the error *could* be with the
// prior level heading, so we don't want to cause more errors
// erroniously:
last = level;
});
};
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