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Support html entity character calculation when cutting text contents #3

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Support html entity character calculation when cutting text contents #3

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15 changes: 13 additions & 2 deletions html-substring.js
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,18 @@ function html_substr(src, length, suffix){
tagTree.push(tagStrip(tag));
}
i = end; //Move the position to end of the tag

} else if (c == '&') {
// HTML Character Entities found - https://www.w3schools.com/HTML/html_entities.asp
end = src.slice(i).indexOf(";");
if(end == -1) { //Check for incomplete entity name
return str;
}
end += i + 1;
tag = src.slice(i,end); //Read entity name
// Append entity name and move the position
str += tag; //Append the entity name to final content
i = end; // Move the position to end of the entity name
cnt++;
} else {
//Append content character and move the position
str += c;
Expand All @@ -69,4 +80,4 @@ function html_substr(src, length, suffix){
}
if (module && module.exports) {
module.exports = html_substr;
}
}