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Merge pull request #4850 from 5e-Cleric/add-back-selection-tabbing

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Add back selection tabbing
This commit is contained in:
Víctor Losada Hernández
2026-07-26 11:10:46 +02:00
committed by GitHub
parent 3d3286604a 5dff482920
commit c7bcd29843
1 changed files with 35 additions and 24 deletions
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client/components/codeEditor/extensions/customKeyMaps.js
+35 -24
View File
@@ -1,33 +1,44 @@
/* eslint max-lines: ["error", { "max": 300 }] */
import { keymap } from '@codemirror/view';
import { undo, redo, indentMore, deleteLine } from '@codemirror/commands';
import { undo, redo, indentMore, indentLess, deleteLine } from '@codemirror/commands';
import { EditorSelection } from '@codemirror/state';
import { Prec } from '@codemirror/state';
const insertTab = (view)=>{
const { from, to } = view.state.selection.main;
// If any selection spans multiple lines, delegates to CodeMirror's indentMore
// Otherwise inserts two spaces at each cursor/selection
const shouldIndent = view.state.selection.ranges.some((range)=>view.state.doc.lineAt(range.from).number !==
view.state.doc.lineAt(range.to).number
);
if(shouldIndent) return indentMore(view);
const changes = [];
for (const range of view.state.selection.ranges) {
changes.push({
from : range.from,
to : range.to,
insert : ' ' // Insert two spaces, not a tab char!
});
}
// Create a transaction so we can map old positions to
// their new positions after the edits are applied
const mappedChanges = view.state.update({ changes });
view.dispatch({
changes : { from, to, insert: ' ' },
selection : { anchor: from + 2 }
changes,
selection : EditorSelection.create(
view.state.selection.ranges.map((range)=>EditorSelection.cursor(
mappedChanges.changes.mapPos(range.from, 1) + 2
)
)
)
});
return true;
};
const indentLess = (view)=>{
const { from, to } = view.state.selection.main;
const lines = [];
for (let l = view.state.doc.lineAt(from).number; l <= view.state.doc.lineAt(to).number; l++) {
const line = view.state.doc.line(l);
const match = line.text.match(/^ {1,2}/); // match up to 2 spaces
if(match) {
lines.push({ from: line.from, to: line.from + match[0].length, insert: '' });
}
}
if(lines.length > 0) view.dispatch({ changes: lines });
return true;
};
const wrapSelection = (prefix, suffix)=>(view)=>{
const changes = [];
@@ -169,16 +180,16 @@ const newPage = (view)=>{
};
export const generalKeymap = Prec.high(keymap.of([
{ key: 'Tab', run: insertTab },
{ key: 'Mod-z', run: undo }, //i think it may be unnecessary
{ key: 'Tab', run: insertTab }, //runs indentMore if multiple lines selected in a single selection
{ key: 'Shift-Tab', run: indentLess },
{ key: 'Mod-z', run: undo }, //it may be unnecessary
{ key: 'Mod-Shift-z', run: redo },
{ key: 'Mod-y', run: redo },
{ key: 'Mod-d', run: deleteLine },
{ key: 'Mod-y', run: redo }, //user asked, so double keybind
{ key: 'Mod-d', run: deleteLine }, //annoyingly overrides "selectNextOccurrence" because users asked
]));
export const markdownKeymap = Prec.highest(keymap.of([
//{ key: 'Shift-Tab', run: indentMore },
{ key: 'Shift-Tab', run: indentLess },
{ key: 'Mod-b', run: wrapSelection('**', '**') }, // makeBold
{ key: 'Mod-i', run: wrapSelection('*', '*') }, // makeItalic
{ key: 'Mod-u', run: wrapSelection('<u>', '</u>') }, // makeUnderline