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Code Issues Releases Wiki Activity

Fix various quirks with "My filters" trust-related checkbox 

Simplify code to force syntax highlighter and linter to reprocess
the content when toggling trust-related checkbox.

Fix issue with using `mousedown` on searchbar widgets, related
feedback:
https://github.com/uBlockOrigin/uBlock-issues/issues/3161#issuecomment-2002112770

Fix issues reported by eslint.
This commit is contained in:
Raymond Hill 2024-03-19 10:59:15 -04:00
parent 58c935aa9e
commit 0cb6170584
No known key found for this signature in database
GPG Key ID: 25E1490B761470C2
3 changed files with 185 additions and 198 deletions
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23
src/js/1p-filters.js
View File

@ -21,12 +21,10 @@
/* global CodeMirror, uBlockDashboard */
'use strict';
import { onBroadcast } from './broadcast.js';
import './codemirror/ubo-static-filtering.js';
import { dom, qs$ } from './dom.js';
import { i18n$ } from './i18n.js';
import './codemirror/ubo-static-filtering.js';
import { onBroadcast } from './broadcast.js';
/******************************************************************************/
@ -123,10 +121,6 @@ function setEditorText(text) {
/******************************************************************************/
// https://github.com/codemirror/codemirror5/issues/3318
// "How could I force to redraw the highlight of all the lines?"
// "Resetting the mode option with setOption will trigger a full re-parse."
function userFiltersChanged(details = {}) {
const changed = typeof details.changed === 'boolean'
? details.changed
@ -138,8 +132,19 @@ function userFiltersChanged(details = {}) {
const trustedbefore = cmEditor.getOption('trustedSource');
const trustedAfter = enabled && qs$('#trustMyFilters input').checked;
if ( trustedAfter === trustedbefore ) { return; }
cmEditor.setOption('mode', 'ubo-static-filtering');
cmEditor.startOperation();
cmEditor.setOption('trustedSource', trustedAfter);
const doc = cmEditor.getDoc();
const history = doc.getHistory();
const selections = doc.listSelections();
doc.replaceRange(doc.getValue(),
{ line: 0, ch: 0 },
{ line: doc.lineCount(), ch: 0 }
);
doc.setSelections(selections);
doc.setHistory(history);
cmEditor.endOperation();
cmEditor.focus();
}
/******************************************************************************/

22
src/js/codemirror/search.js
View File

@ -25,8 +25,6 @@
// Ctrl-G.
// =====
'use strict';
import { dom, qs$ } from '../dom.js';
import { i18n$ } from '../i18n.js';
@ -45,7 +43,7 @@ import { i18n$ } from '../i18n.js';
const searchOverlay = function(query, caseInsensitive) {
if ( typeof query === 'string' )
query = new RegExp(
query.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&'),
query.replace(/[-[\]/{}()*+?.\\^$|]/g, '\\$&'),
caseInsensitive ? 'gi' : 'g'
);
else if ( !query.global )
@ -98,7 +96,7 @@ import { i18n$ } from '../i18n.js';
state.queryTimer.offon(350);
};
const searchWidgetClickHandler = function(cm, ev) {
const searchWidgetClickHandler = (ev, cm) => {
if ( ev.button !== 0 ) { return; }
const target = ev.target;
const tcl = target.classList;
@ -117,9 +115,7 @@ import { i18n$ } from '../i18n.js';
}
}
if ( target.localName !== 'input' ) {
ev.preventDefault();
} else {
ev.stopImmediatePropagation();
cm.focus();
}
};
@ -143,7 +139,9 @@ import { i18n$ } from '../i18n.js';
this.widget = widgetParent.children[0];
this.widget.addEventListener('keydown', searchWidgetKeydownHandler.bind(null, cm));
this.widget.addEventListener('input', searchWidgetInputHandler.bind(null, cm));
this.widget.addEventListener('mousedown', searchWidgetClickHandler.bind(null, cm));
this.widget.addEventListener('click', ev => {
searchWidgetClickHandler(ev, cm);
});
if ( typeof cm.addPanel === 'function' ) {
this.panel = cm.addPanel(this.widget);
}
@ -252,10 +250,7 @@ import { i18n$ } from '../i18n.js';
notation: 'compact',
maximumSignificantDigits: 3
});
if (
intl.resolvedOptions instanceof Function &&
intl.resolvedOptions().hasOwnProperty('notation')
) {
if ( intl.resolvedOptions().notation ) {
intlNumberFormat = intl;
}
}
@ -346,9 +341,6 @@ import { i18n$ } from '../i18n.js';
state.annotate.update(annotations);
});
state.widget.setAttribute('data-query', state.queryText);
// Ensure the caret is visible
const input = state.widget.querySelector('.cm-search-widget-input input');
input.selectionStart = input.selectionStart;
};
const findNext = function(cm, dir, callback) {

338
src/js/codemirror/ubo-static-filtering.js
View File

@ -21,8 +21,6 @@
/* global CodeMirror */
'use strict';
/******************************************************************************/
import * as sfp from '../static-filtering-parser.js';
@ -74,142 +72,142 @@ const uBOStaticFilteringMode = (( ) => {
if ( nodeHasError(mode) ) { return 'error'; }
const nodeType = mode.astParser.getNodeType(mode.currentWalkerNode);
switch ( nodeType ) {
case sfp.NODE_TYPE_WHITESPACE:
return '';
case sfp.NODE_TYPE_COMMENT:
if ( mode.astWalker.canGoDown() ) { break; }
return 'comment';
case sfp.NODE_TYPE_COMMENT_URL:
return 'comment link';
case sfp.NODE_TYPE_IGNORE:
return 'comment';
case sfp.NODE_TYPE_PREPARSE_DIRECTIVE:
case sfp.NODE_TYPE_PREPARSE_DIRECTIVE_VALUE:
return 'directive';
case sfp.NODE_TYPE_PREPARSE_DIRECTIVE_IF_VALUE: {
const raw = mode.astParser.getNodeString(mode.currentWalkerNode);
const state = sfp.utils.preparser.evaluateExpr(raw, preparseDirectiveEnv);
return state ? 'positive strong' : 'negative strong';
case sfp.NODE_TYPE_WHITESPACE:
return '';
case sfp.NODE_TYPE_COMMENT:
if ( mode.astWalker.canGoDown() ) { break; }
return 'comment';
case sfp.NODE_TYPE_COMMENT_URL:
return 'comment link';
case sfp.NODE_TYPE_IGNORE:
return 'comment';
case sfp.NODE_TYPE_PREPARSE_DIRECTIVE:
case sfp.NODE_TYPE_PREPARSE_DIRECTIVE_VALUE:
return 'directive';
case sfp.NODE_TYPE_PREPARSE_DIRECTIVE_IF_VALUE: {
const raw = mode.astParser.getNodeString(mode.currentWalkerNode);
const state = sfp.utils.preparser.evaluateExpr(raw, preparseDirectiveEnv);
return state ? 'positive strong' : 'negative strong';
}
case sfp.NODE_TYPE_EXT_OPTIONS_ANCHOR:
return mode.astParser.getFlags(sfp.AST_FLAG_IS_EXCEPTION)
? 'tag strong'
: 'def strong';
case sfp.NODE_TYPE_EXT_DECORATION:
return 'def';
case sfp.NODE_TYPE_EXT_PATTERN_RAW:
if ( mode.astWalker.canGoDown() ) { break; }
return 'variable';
case sfp.NODE_TYPE_EXT_PATTERN_COSMETIC:
case sfp.NODE_TYPE_EXT_PATTERN_HTML:
return 'variable';
case sfp.NODE_TYPE_EXT_PATTERN_RESPONSEHEADER:
case sfp.NODE_TYPE_EXT_PATTERN_SCRIPTLET:
if ( mode.astWalker.canGoDown() ) { break; }
return 'variable';
case sfp.NODE_TYPE_EXT_PATTERN_SCRIPTLET_TOKEN: {
const token = mode.astParser.getNodeString(mode.currentWalkerNode);
if ( scriptletNames.has(token) === false ) {
return 'warning';
}
case sfp.NODE_TYPE_EXT_OPTIONS_ANCHOR:
return mode.astParser.getFlags(sfp.AST_FLAG_IS_EXCEPTION)
? 'tag strong'
: 'def strong';
case sfp.NODE_TYPE_EXT_DECORATION:
return 'def';
case sfp.NODE_TYPE_EXT_PATTERN_RAW:
if ( mode.astWalker.canGoDown() ) { break; }
return 'variable';
case sfp.NODE_TYPE_EXT_PATTERN_COSMETIC:
case sfp.NODE_TYPE_EXT_PATTERN_HTML:
return 'variable';
case sfp.NODE_TYPE_EXT_PATTERN_RESPONSEHEADER:
case sfp.NODE_TYPE_EXT_PATTERN_SCRIPTLET:
if ( mode.astWalker.canGoDown() ) { break; }
return 'variable';
case sfp.NODE_TYPE_EXT_PATTERN_SCRIPTLET_TOKEN: {
const token = mode.astParser.getNodeString(mode.currentWalkerNode);
if ( scriptletNames.has(token) === false ) {
return 'warning';
return 'variable';
}
case sfp.NODE_TYPE_EXT_PATTERN_SCRIPTLET_ARG:
return 'variable';
case sfp.NODE_TYPE_NET_EXCEPTION:
return 'tag strong';
case sfp.NODE_TYPE_NET_PATTERN:
if ( mode.astWalker.canGoDown() ) { break; }
if ( mode.astParser.isRegexPattern() ) {
if ( mode.astParser.getNodeFlags(mode.currentWalkerNode, sfp.NODE_FLAG_PATTERN_UNTOKENIZABLE) !== 0 ) {
return 'variable warning';
}
return 'variable';
return 'variable notice';
}
case sfp.NODE_TYPE_EXT_PATTERN_SCRIPTLET_ARG:
return 'variable';
case sfp.NODE_TYPE_NET_EXCEPTION:
return 'tag strong';
case sfp.NODE_TYPE_NET_PATTERN:
if ( mode.astWalker.canGoDown() ) { break; }
if ( mode.astParser.isRegexPattern() ) {
if ( mode.astParser.getNodeFlags(mode.currentWalkerNode, sfp.NODE_FLAG_PATTERN_UNTOKENIZABLE) !== 0 ) {
return 'variable warning';
}
return 'variable notice';
}
return 'variable';
case sfp.NODE_TYPE_NET_PATTERN_PART:
return 'variable';
case sfp.NODE_TYPE_NET_PATTERN_PART_SPECIAL:
return 'keyword strong';
case sfp.NODE_TYPE_NET_PATTERN_PART_UNICODE:
return 'variable unicode';
case sfp.NODE_TYPE_NET_PATTERN_LEFT_HNANCHOR:
case sfp.NODE_TYPE_NET_PATTERN_LEFT_ANCHOR:
case sfp.NODE_TYPE_NET_PATTERN_RIGHT_ANCHOR:
case sfp.NODE_TYPE_NET_OPTION_NAME_NOT:
return 'keyword strong';
case sfp.NODE_TYPE_NET_OPTIONS_ANCHOR:
case sfp.NODE_TYPE_NET_OPTION_SEPARATOR:
mode.lastNetOptionType = 0;
return 'def strong';
case sfp.NODE_TYPE_NET_OPTION_NAME_UNKNOWN:
mode.lastNetOptionType = 0;
return 'error';
case sfp.NODE_TYPE_NET_OPTION_NAME_1P:
case sfp.NODE_TYPE_NET_OPTION_NAME_STRICT1P:
case sfp.NODE_TYPE_NET_OPTION_NAME_3P:
case sfp.NODE_TYPE_NET_OPTION_NAME_STRICT3P:
case sfp.NODE_TYPE_NET_OPTION_NAME_ALL:
case sfp.NODE_TYPE_NET_OPTION_NAME_BADFILTER:
case sfp.NODE_TYPE_NET_OPTION_NAME_CNAME:
case sfp.NODE_TYPE_NET_OPTION_NAME_CSP:
case sfp.NODE_TYPE_NET_OPTION_NAME_CSS:
case sfp.NODE_TYPE_NET_OPTION_NAME_DENYALLOW:
case sfp.NODE_TYPE_NET_OPTION_NAME_DOC:
case sfp.NODE_TYPE_NET_OPTION_NAME_EHIDE:
case sfp.NODE_TYPE_NET_OPTION_NAME_EMPTY:
case sfp.NODE_TYPE_NET_OPTION_NAME_FONT:
case sfp.NODE_TYPE_NET_OPTION_NAME_FRAME:
case sfp.NODE_TYPE_NET_OPTION_NAME_FROM:
case sfp.NODE_TYPE_NET_OPTION_NAME_GENERICBLOCK:
case sfp.NODE_TYPE_NET_OPTION_NAME_GHIDE:
case sfp.NODE_TYPE_NET_OPTION_NAME_HEADER:
case sfp.NODE_TYPE_NET_OPTION_NAME_IMAGE:
case sfp.NODE_TYPE_NET_OPTION_NAME_IMPORTANT:
case sfp.NODE_TYPE_NET_OPTION_NAME_INLINEFONT:
case sfp.NODE_TYPE_NET_OPTION_NAME_INLINESCRIPT:
case sfp.NODE_TYPE_NET_OPTION_NAME_MATCHCASE:
case sfp.NODE_TYPE_NET_OPTION_NAME_MEDIA:
case sfp.NODE_TYPE_NET_OPTION_NAME_METHOD:
case sfp.NODE_TYPE_NET_OPTION_NAME_MP4:
case sfp.NODE_TYPE_NET_OPTION_NAME_NOOP:
case sfp.NODE_TYPE_NET_OPTION_NAME_OBJECT:
case sfp.NODE_TYPE_NET_OPTION_NAME_OTHER:
case sfp.NODE_TYPE_NET_OPTION_NAME_PING:
case sfp.NODE_TYPE_NET_OPTION_NAME_POPUNDER:
case sfp.NODE_TYPE_NET_OPTION_NAME_POPUP:
return 'variable';
case sfp.NODE_TYPE_NET_PATTERN_PART:
return 'variable';
case sfp.NODE_TYPE_NET_PATTERN_PART_SPECIAL:
return 'keyword strong';
case sfp.NODE_TYPE_NET_PATTERN_PART_UNICODE:
return 'variable unicode';
case sfp.NODE_TYPE_NET_PATTERN_LEFT_HNANCHOR:
case sfp.NODE_TYPE_NET_PATTERN_LEFT_ANCHOR:
case sfp.NODE_TYPE_NET_PATTERN_RIGHT_ANCHOR:
case sfp.NODE_TYPE_NET_OPTION_NAME_NOT:
return 'keyword strong';
case sfp.NODE_TYPE_NET_OPTIONS_ANCHOR:
case sfp.NODE_TYPE_NET_OPTION_SEPARATOR:
mode.lastNetOptionType = 0;
return 'def strong';
case sfp.NODE_TYPE_NET_OPTION_NAME_UNKNOWN:
mode.lastNetOptionType = 0;
return 'error';
case sfp.NODE_TYPE_NET_OPTION_NAME_1P:
case sfp.NODE_TYPE_NET_OPTION_NAME_STRICT1P:
case sfp.NODE_TYPE_NET_OPTION_NAME_3P:
case sfp.NODE_TYPE_NET_OPTION_NAME_STRICT3P:
case sfp.NODE_TYPE_NET_OPTION_NAME_ALL:
case sfp.NODE_TYPE_NET_OPTION_NAME_BADFILTER:
case sfp.NODE_TYPE_NET_OPTION_NAME_CNAME:
case sfp.NODE_TYPE_NET_OPTION_NAME_CSP:
case sfp.NODE_TYPE_NET_OPTION_NAME_CSS:
case sfp.NODE_TYPE_NET_OPTION_NAME_DENYALLOW:
case sfp.NODE_TYPE_NET_OPTION_NAME_DOC:
case sfp.NODE_TYPE_NET_OPTION_NAME_EHIDE:
case sfp.NODE_TYPE_NET_OPTION_NAME_EMPTY:
case sfp.NODE_TYPE_NET_OPTION_NAME_FONT:
case sfp.NODE_TYPE_NET_OPTION_NAME_FRAME:
case sfp.NODE_TYPE_NET_OPTION_NAME_FROM:
case sfp.NODE_TYPE_NET_OPTION_NAME_GENERICBLOCK:
case sfp.NODE_TYPE_NET_OPTION_NAME_GHIDE:
case sfp.NODE_TYPE_NET_OPTION_NAME_HEADER:
case sfp.NODE_TYPE_NET_OPTION_NAME_IMAGE:
case sfp.NODE_TYPE_NET_OPTION_NAME_IMPORTANT:
case sfp.NODE_TYPE_NET_OPTION_NAME_INLINEFONT:
case sfp.NODE_TYPE_NET_OPTION_NAME_INLINESCRIPT:
case sfp.NODE_TYPE_NET_OPTION_NAME_MATCHCASE:
case sfp.NODE_TYPE_NET_OPTION_NAME_MEDIA:
case sfp.NODE_TYPE_NET_OPTION_NAME_METHOD:
case sfp.NODE_TYPE_NET_OPTION_NAME_MP4:
case sfp.NODE_TYPE_NET_OPTION_NAME_NOOP:
case sfp.NODE_TYPE_NET_OPTION_NAME_OBJECT:
case sfp.NODE_TYPE_NET_OPTION_NAME_OTHER:
case sfp.NODE_TYPE_NET_OPTION_NAME_PING:
case sfp.NODE_TYPE_NET_OPTION_NAME_POPUNDER:
case sfp.NODE_TYPE_NET_OPTION_NAME_POPUP:
case sfp.NODE_TYPE_NET_OPTION_NAME_REDIRECT:
case sfp.NODE_TYPE_NET_OPTION_NAME_REDIRECTRULE:
case sfp.NODE_TYPE_NET_OPTION_NAME_REMOVEPARAM:
case sfp.NODE_TYPE_NET_OPTION_NAME_SCRIPT:
case sfp.NODE_TYPE_NET_OPTION_NAME_SHIDE:
case sfp.NODE_TYPE_NET_OPTION_NAME_TO:
case sfp.NODE_TYPE_NET_OPTION_NAME_URLTRANSFORM:
case sfp.NODE_TYPE_NET_OPTION_NAME_XHR:
case sfp.NODE_TYPE_NET_OPTION_NAME_WEBRTC:
case sfp.NODE_TYPE_NET_OPTION_NAME_WEBSOCKET:
mode.lastNetOptionType = nodeType;
return 'def';
case sfp.NODE_TYPE_NET_OPTION_ASSIGN:
return 'def';
case sfp.NODE_TYPE_NET_OPTION_VALUE:
if ( mode.astWalker.canGoDown() ) { break; }
switch ( mode.lastNetOptionType ) {
case sfp.NODE_TYPE_NET_OPTION_NAME_REDIRECT:
case sfp.NODE_TYPE_NET_OPTION_NAME_REDIRECTRULE:
case sfp.NODE_TYPE_NET_OPTION_NAME_REMOVEPARAM:
case sfp.NODE_TYPE_NET_OPTION_NAME_SCRIPT:
case sfp.NODE_TYPE_NET_OPTION_NAME_SHIDE:
case sfp.NODE_TYPE_NET_OPTION_NAME_TO:
case sfp.NODE_TYPE_NET_OPTION_NAME_URLTRANSFORM:
case sfp.NODE_TYPE_NET_OPTION_NAME_XHR:
case sfp.NODE_TYPE_NET_OPTION_NAME_WEBRTC:
case sfp.NODE_TYPE_NET_OPTION_NAME_WEBSOCKET:
mode.lastNetOptionType = nodeType;
return 'def';
case sfp.NODE_TYPE_NET_OPTION_ASSIGN:
return 'def';
case sfp.NODE_TYPE_NET_OPTION_VALUE:
if ( mode.astWalker.canGoDown() ) { break; }
switch ( mode.lastNetOptionType ) {
case sfp.NODE_TYPE_NET_OPTION_NAME_REDIRECT:
case sfp.NODE_TYPE_NET_OPTION_NAME_REDIRECTRULE:
return redirectTokenStyle(mode);
default:
break;
}
return 'value';
case sfp.NODE_TYPE_OPTION_VALUE_NOT:
return 'keyword strong';
case sfp.NODE_TYPE_OPTION_VALUE_DOMAIN:
return 'value';
case sfp.NODE_TYPE_OPTION_VALUE_SEPARATOR:
return 'def';
return redirectTokenStyle(mode);
default:
break;
}
return 'value';
case sfp.NODE_TYPE_OPTION_VALUE_NOT:
return 'keyword strong';
case sfp.NODE_TYPE_OPTION_VALUE_DOMAIN:
return 'value';
case sfp.NODE_TYPE_OPTION_VALUE_SEPARATOR:
return 'def';
default:
break;
}
return '+';
};
@ -342,7 +340,7 @@ function initHints() {
});
const proceduralOperatorNames = new Map(
Array.from(sfp.proceduralOperatorTokens)
.filter(item => (item[1] & 0b01) !== 0)
.filter(item => (item[1] & 0b01) !== 0)
);
const excludedHints = new Set([
'genericblock',
@ -577,7 +575,7 @@ function initHints() {
const getExtScriptletHints = function(cursor, line) {
const beg = cursor.ch;
const matchLeft = /#\+\js\(([^,]*)$/.exec(line.slice(0, beg));
const matchLeft = /#\+js\(([^,]*)$/.exec(line.slice(0, beg));
const matchRight = /^([^,)]*)/.exec(line.slice(beg));
if ( matchLeft === null || matchRight === null ) { return; }
const hints = [];
@ -724,38 +722,38 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
if ( astParser.hasError() ) {
let msg = 'Invalid filter';
switch ( astParser.astError ) {
case sfp.AST_ERROR_UNSUPPORTED:
msg = `${msg}: Unsupported filter syntax`;
break;
case sfp.AST_ERROR_REGEX:
msg = `${msg}: Bad regular expression`;
break;
case sfp.AST_ERROR_PATTERN:
msg = `${msg}: Bad pattern`;
break;
case sfp.AST_ERROR_DOMAIN_NAME:
msg = `${msg}: Bad domain name`;
break;
case sfp.AST_ERROR_OPTION_BADVALUE:
msg = `${msg}: Bad value assigned to a valid option`;
break;
case sfp.AST_ERROR_OPTION_DUPLICATE:
msg = `${msg}: Duplicate filter option`;
break;
case sfp.AST_ERROR_OPTION_UNKNOWN:
msg = `${msg}: Unsupported filter option`;
break;
case sfp.AST_ERROR_IF_TOKEN_UNKNOWN:
msg = `${msg}: Unknown preparsing token`;
break;
case sfp.AST_ERROR_UNTRUSTED_SOURCE:
msg = `${msg}: Filter requires trusted source`;
break;
default:
if ( astParser.isCosmeticFilter() && astParser.result.error ) {
msg = `${msg}: ${astParser.result.error}`;
}
break;
case sfp.AST_ERROR_UNSUPPORTED:
msg = `${msg}: Unsupported filter syntax`;
break;
case sfp.AST_ERROR_REGEX:
msg = `${msg}: Bad regular expression`;
break;
case sfp.AST_ERROR_PATTERN:
msg = `${msg}: Bad pattern`;
break;
case sfp.AST_ERROR_DOMAIN_NAME:
msg = `${msg}: Bad domain name`;
break;
case sfp.AST_ERROR_OPTION_BADVALUE:
msg = `${msg}: Bad value assigned to a valid option`;
break;
case sfp.AST_ERROR_OPTION_DUPLICATE:
msg = `${msg}: Duplicate filter option`;
break;
case sfp.AST_ERROR_OPTION_UNKNOWN:
msg = `${msg}: Unsupported filter option`;
break;
case sfp.AST_ERROR_IF_TOKEN_UNKNOWN:
msg = `${msg}: Unknown preparsing token`;
break;
case sfp.AST_ERROR_UNTRUSTED_SOURCE:
msg = `${msg}: Filter requires trusted source`;
break;
default:
if ( astParser.isCosmeticFilter() && astParser.result.error ) {
msg = `${msg}: ${astParser.result.error}`;
}
break;
}
return { lint: 'error', msg };
}
@ -1103,16 +1101,8 @@ CodeMirror.registerHelper('fold', 'ubo-static-filtering', (( ) => {
};
self.addEventListener('trustedSource', ev => {
const { cm, trusted } = ev.detail;
const { trusted } = ev.detail;
astParser.options.trustedSource = trusted;
const doc = cm.getDoc();
const lineCount = doc.lineCount();
onBeforeChanges(cm, {
from: { line: 0, ch: 0 },
to: { line: lineCount, ch: 0 },
});
changeset.push({ from: 0, to: lineCount });
processChangesetAsync(doc);
});
self.addEventListener('trustedScriptletTokens', ev => {