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allowExceedingIndices for our patch applier

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Test if it allows patches to go through, and log error if it doesn't match the expected output.
This commit is contained in:
Trevor Buckner
2025-07-10 17:11:31 -04:00
parent 98b9e86787
commit 7cadbfbd7b
2 changed files with 17 additions and 16 deletions
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18
server/homebrew.api.js
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@@ -339,6 +339,7 @@ const api = {
// Initialize brew from request and body, destructure query params, and set the initial value for the after-save method
const brewFromClient = api.excludePropsFromUpdate(req.body);
const brewFromServer = req.brew;
splitTextStyleAndMetadata(brewFromServer);
if(brewFromServer?.version !== brewFromClient?.version){
console.log(`Version mismatch on brew ${brewFromClient.editId}`);
@@ -347,9 +348,7 @@ const api = {
return res.status(409).send(JSON.stringify({ message: `The server version is out of sync with the saved brew. Please save your changes elsewhere, refresh, and try again.` }));
}
splitTextStyleAndMetadata(brewFromServer);
brewFromServer.text = brewFromServer.text.normalize();
brewFromServer.text = brewFromServer.text.normalize('NFC');
brewFromServer.hash = await md5(brewFromServer.text);
if(brewFromServer?.hash !== brewFromClient?.hash) {
@@ -359,26 +358,27 @@ const api = {
return res.status(409).send(JSON.stringify({ message: `The server copy is out of sync with the saved brew. Please save your changes elsewhere, refresh, and try again.` }));
}
let brew = _.assign(brewFromServer, brewFromClient);
brew.title = brew.title.trim();
brew.description = brew.description.trim() || '';
try {
const patches = parsePatch(brewFromClient.patches);
// Patch to a throwaway variable while parallelizing - we're more concerned with error/no error.
const patchedResult = applyPatches(patches, brewFromServer.text)[0];
const patchedResult = applyPatches(patches, brewFromServer.text, { allowExceedingIndices: true })[0];
if(patchedResult != brewFromClient.text)
throw("Patches did not apply cleanly, text mismatch detected");
// brew.text = applyPatches(patches, brewFromServer.text)[0];
} catch (err) {
debugTextMismatch(brewFromClient.text, brewFromServer.text, `edit/${brewFromClient.editId}`);
console.error('Failed to apply patches:', {
patches : brewFromClient.patches,
brewId : brew.editId || 'unknown',
brewId : brewFromClient.editId || 'unknown',
error : err
});
// While running in parallel, don't throw the error upstream.
// throw err; // rethrow to preserve the 500 behavior
}
let brew = _.assign(brewFromServer, brewFromClient);
brew.title = brew.title.trim();
brew.description = brew.description.trim() || '';
brew.text = api.mergeBrewText(brew);
const googleId = brew.googleId;