Skip to content

Changes the TAG and ATTR patterns to be more in line with HTML5 (#1297) #1302

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
dpvc merged 1 commit into from
Jul 18, 2025
+10 −9
Merged

Changes the TAG and ATTR patterns to be more in line with HTML5 (#1297) #1302

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 10 additions & 9 deletions ts/adaptors/lite/Parser.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,22 +32,23 @@ import { LiteAdaptor } from '../liteAdaptor.js';
/**
* Patterns used in parsing serialized HTML
*/
const TAGNAME = '[a-z][^\\s\\n>]*';
const ATTNAME = '[a-z][^\\s\\n>=]*';
const VALUE = `(?:'[^']*'|"[^"]*"|[^\\s\\n]+)`;
const VALUESPLIT = `(?:'([^']*)'|"([^"]*)"|([^\\s\\n]+))`;
const SPACE = '(?:\\s|\\n)+';
const OPTIONALSPACE = '(?:\\s|\\n)*';

const SPACE = '[ \\n]+';
const OPTIONALSPACE = '[ \\n]*';
const TAGNAME = `[A-Za-z][^\u0000-\u001F "'>/=\u007F-\u009F]*`;
const ATTNAME = `[^\u0000-\u001F "'>/=\u007F-\u009F]+`;
const VALUE = `(?:'[^']*'|"[^"]*"|${SPACE})`;
const VALUESPLIT = `(?:'([^']*)'|"([^"]*)"|(${SPACE}))`;
const ATTRIBUTE = `${ATTNAME}(?:${OPTIONALSPACE}=${OPTIONALSPACE}${VALUE})?`;
const ATTRIBUTESPLIT = `(${ATTNAME})(?:${OPTIONALSPACE}=${OPTIONALSPACE}${VALUESPLIT})?`;
const TAG =
`(<(?:${TAGNAME}(?:${SPACE}${ATTRIBUTE})*` +
`${OPTIONALSPACE}/?|/${TAGNAME}|!--[^]*?--|![^]*?)(?:>|$))`;

export const PATTERNS = {
tag: new RegExp(TAG, 'i'),
attr: new RegExp(ATTRIBUTE, 'i'),
attrsplit: new RegExp(ATTRIBUTESPLIT, 'i'),
tag: new RegExp(TAG, 'u'),
attr: new RegExp(ATTRIBUTE, 'u'),
attrsplit: new RegExp(ATTRIBUTESPLIT, 'u'),
};

/************************************************************/
Expand Down