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Add highlighter try-catch

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kwaroran
2024-09-24 08:51:19 +09:00
parent e1204abe1e
commit ca9928fd2b
1 changed files with 46 additions and 41 deletions
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87
src/ts/gui/highlight.ts
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@@ -5,48 +5,53 @@ type HighlightInt = [Range, HighlightType]
let highLights = new Map<number, HighlightInt[]>(); let highLights = new Map<number, HighlightInt[]>();
export const highlighter = (highlightDom:HTMLElement, id:number) => { export const highlighter = (highlightDom:HTMLElement, id:number) => {
if(highlightDom){ try {
if(!CSS.highlights){
return if(highlightDom){
} if(!CSS.highlights){
return
const walker = document.createTreeWalker(highlightDom, NodeFilter.SHOW_TEXT)
const nodes:Node[] = []
let currentNode = walker.nextNode();
while (currentNode) {
nodes.push(currentNode);
currentNode = walker.nextNode();
}
const str = "{{char}}"
if (!str) {
return;
}
const ranges:HighlightInt[] = []
nodes.map((el) => {
const text = el.textContent.toLowerCase()
const cbsParsed = simpleCBSHighlightParser(el,text)
ranges.push(...cbsParsed)
for(const syntax of highlighterSyntax){
const regex = syntax.regex
let match:RegExpExecArray | null;
while ((match = regex.exec(text)) !== null) {
const length = match[0].length;
const index = match.index;
const range = new Range();
range.setStart(el, index);
range.setEnd(el, index + length);
ranges.push([range, syntax.type])
}
} }
});
const walker = document.createTreeWalker(highlightDom, NodeFilter.SHOW_TEXT)
highLights.set(id, ranges) const nodes:Node[] = []
let currentNode = walker.nextNode();
runHighlight() while (currentNode) {
nodes.push(currentNode);
currentNode = walker.nextNode();
}
const str = "{{char}}"
if (!str) {
return;
}
const ranges:HighlightInt[] = []
nodes.map((el) => {
const text = el.textContent.toLowerCase()
const cbsParsed = simpleCBSHighlightParser(el,text)
ranges.push(...cbsParsed)
for(const syntax of highlighterSyntax){
const regex = syntax.regex
let match:RegExpExecArray | null;
while ((match = regex.exec(text)) !== null) {
const length = match[0].length;
const index = match.index;
const range = new Range();
range.setStart(el, index);
range.setEnd(el, index + length);
ranges.push([range, syntax.type])
}
}
});
highLights.set(id, ranges)
runHighlight()
}
} catch (error) {
} }
} }