yonote/yjs
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ytext: diff should never create useless delta op

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This commit is contained in:
Kevin Jahns 2023-04-18 20:07:17 +02:00
parent 710ac31af3
commit d039d48b3f
1 changed files with 19 additions and 16 deletions
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35
src/types/YText.js
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@ -631,36 +631,39 @@ export class YTextEvent extends YEvent {
/**
* @type {any}
*/
let op
let op = null
switch (action) {
case 'delete':
op = { delete: deleteLen }
if (deleteLen > 0) {
op = { delete: deleteLen }
}
deleteLen = 0
break
case 'insert':
op = { insert }
if (currentAttributes.size > 0) {
op.attributes = {}
currentAttributes.forEach((value, key) => {
if (value !== null) {
op.attributes[key] = value
}
})
if (typeof insert === 'object' || insert.length > 0) {
op = { insert }
if (currentAttributes.size > 0) {
op.attributes = {}
currentAttributes.forEach((value, key) => {
if (value !== null) {
op.attributes[key] = value
}
})
}
}
insert = ''
break
case 'retain':
op = { retain }
if (Object.keys(attributes).length > 0) {
op.attributes = {}
for (const key in attributes) {
op.attributes[key] = attributes[key]
if (retain > 0) {
op = { retain }
if (!object.isEmpty(attributes)) {
op.attributes = object.assign({}, attributes)
}
}
retain = 0
break
}
delta.push(op)
if (op) delta.push(op)
action = null
}
}