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Add additional debugging closest bug

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Use the topic "error.web-team" - error prefix necessary
for it to be treated as an error, and 'web-team' moves
it off main channel.

Error logs tagName and nodeType which should be sufficient
for us to understand this issue. Can expand with other
information later if need be. Cannot add to stack trace
as any non-standard stack trace would be dropped by the intake
code.

Bug: T340081
Change-Id: Ia011aaf9f8b5b932695da3311f849682c0105cfe
This commit is contained in:
Jon Robson 2023-07-17 14:53:49 -07:00
parent 6ee797e897
commit a80d2b1f56
4 changed files with 24 additions and 11 deletions
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resources/dist/index.js vendored
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resources/dist/index.js.map.json vendored
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31
src/index.js
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@ -135,17 +135,30 @@ function registerChangeListeners(
*/
function handleDOMEventIfEligible( handler ) {
return function ( event ) {
// if the element is a text node, as events can be triggered on text nodes
// it won't have a closest method, so we get its parent element (T340081)
if ( event.target.nodeType === 3 ) {
event.target = event.target.parentNode;
}
// If the event bubbles up all the way,
// document does not have closest method, so exit early (T336650).
if ( event.target === document ) {
let target = event && event.target;
if ( !target ) {
return;
}
const target = findNearestEligibleTarget( event.target );
// if the element is a text node, as events can be triggered on text nodes
// it won't have a closest method, so we get its parent element (T340081)
if ( target.nodeType === 3 ) {
target = target.parentNode;
}
// If the closest method is not defined, let's return early and
// understand this better by logging an error. (T340081)
if ( target && !target.closest ) {
const err = new Error( `T340081: Unexpected DOM element ${target.tagName} with nodeType ${target.nodeType}` );
mw.errorLogger.logError( err, 'error.web-team' );
return;
}
// If the event bubbles up all the way,
// document does not have closest method, so exit early (T336650).
if ( target === document ) {
return;
}
target = findNearestEligibleTarget( target );
if ( target === null ) {
return;
}

4
webpack.config.js
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@ -118,8 +118,8 @@ module.exports = ( env, argv ) => ( {
// Minified uncompressed size limits for chunks / assets and entrypoints. Keep these numbers
// up-to-date and rounded to the nearest 10th of a kibibyte so that code sizing costs are
// well understood. Related to bundlesize minified, gzipped compressed file size tests.
maxAssetSize: 46.4 * 1024,
maxEntrypointSize: 46.4 * 1024,
maxAssetSize: 46.5 * 1024,
maxEntrypointSize: 46.5 * 1024,
// The default filter excludes map files but we rename ours.
assetFilter: ( filename ) => !filename.endsWith( srcMapExt )