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clone richtext if we are going to mutate it

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This commit is contained in:
Samuel Newman
2024-05-23 19:54:42 +01:00
parent c7f9d713ac
commit ceaca37401
1 changed files with 4 additions and 2 deletions
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src/view/com/composer/text-input/TextInput.tsx
+4 -2
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@@ -215,12 +215,14 @@ export const TextInput = forwardRef(function TextInputImpl(
const splitter = useMemo(() => new Graphemer(), []) const splitter = useMemo(() => new Graphemer(), [])
const textDecorated = useMemo(() => { const textDecorated = useMemo(() => {
let excess let excess
let rt = richtext
if (richtext.graphemeLength > MAX_GRAPHEME_LENGTH) { if (richtext.graphemeLength > MAX_GRAPHEME_LENGTH) {
rt = richtext.clone()
const split = splitter.splitGraphemes(richtext.text) const split = splitter.splitGraphemes(richtext.text)
const validText = split.slice(0, MAX_GRAPHEME_LENGTH).join('') const validText = split.slice(0, MAX_GRAPHEME_LENGTH).join('')
const validUnicode = new UnicodeString(validText) const validUnicode = new UnicodeString(validText)
const excessText = split.slice(MAX_GRAPHEME_LENGTH).join('') const excessText = split.slice(MAX_GRAPHEME_LENGTH).join('')
richtext.delete(validUnicode.utf8.byteLength, richtext.length) rt.delete(validUnicode.utf8.byteLength, richtext.length)
excess = ( excess = (
<RNText <RNText
key="excess" key="excess"
@@ -235,7 +237,7 @@ export const TextInput = forwardRef(function TextInputImpl(
} }
let i = 0 let i = 0
const segments = Array.from(richtext.segments()).map(segment => { const segments = Array.from(rt.segments()).map(segment => {
return ( return (
<RNText <RNText
key={i++} key={i++}