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core(audit): Ignore href=javascript:.* for rel=noopener audit #3574

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merged 6 commits into from
Nov 17, 2017
Merged

core(audit): Ignore href=javascript:.* for rel=noopener audit #3574

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b661b02
core(audit): ignore href=javascript:.* for rel=noopener audit
karanjthakkar Oct 16, 2017
7df8c34
Fix regex for javascript check in href
karanjthakkar Oct 16, 2017
dd8e472
Use .startsWith instead of regex
karanjthakkar Oct 17, 2017
754e832
Update comment for href filtering
karanjthakkar Oct 17, 2017
34fbcaa
Add case sensitive check for href
karanjthakkar Oct 26, 2017
ebed380
Refactor filter condition
karanjthakkar Oct 30, 2017
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8 changes: 8 additions & 0 deletions lighthouse-core/audits/dobetterweb/external-anchors-use-rel-noopener.js
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,14 @@ class ExternalAnchorsUseRelNoopenerAudit extends Audit {
return true;
}
})
.filter(anchor => {
// Ignore href's that are not real links
return (
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nit: we could probably simplify this to !anchor.href || !anchor.href.toLowerCase().startsWith('javascript:')

anchor.href
? !anchor.href.toLowerCase().startsWith('javascript:')
: true
);
})
.map(anchor => {
return {
href: anchor.href || 'Unknown',
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12 changes: 12 additions & 0 deletions lighthouse-core/test/audits/dobetterweb/external-anchors-use-rel-noopener-test.js
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Expand Up @@ -54,4 +54,16 @@ describe('External anchors use rel="noopener"', () => {
assert.equal(auditResult.details.items.length, 3);
assert.ok(auditResult.debugString, 'includes debugString');
});

it('does not fail for links with javascript in href attribute', () => {
const auditResult = ExternalAnchorsAudit.audit({
AnchorsWithNoRelNoopener: [
{href: 'javascript:void(0)'},
{href: 'JAVASCRIPT:void(0)'},
],
URL: {finalUrl: URL},
});
assert.equal(auditResult.rawValue, true);
assert.equal(auditResult.details.items.length, 0);
});
});