mirror of
https://github.com/naturalcrit/homebrewery.git
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Merge pull request #5018 from naturalcrit/fix-codemirror
Fix codemirror keymaps
This commit is contained in:
Víctor Losada Hernández
@@ -1,7 +1,7 @@
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/* eslint max-lines: ["error", { "max": 300 }] */
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import { keymap } from '@codemirror/view';
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import { undo, redo, indentMore, indentLess, deleteLine } from '@codemirror/commands';
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import { EditorSelection } from '@codemirror/state';
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import { EditorSelection, ChangeSet } from '@codemirror/state';
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import { Prec } from '@codemirror/state';
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import * as prettier from 'prettier/standalone';
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import * as postcssPlugin from 'prettier/plugins/postcss';
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@@ -35,11 +35,9 @@ export async function formatCSS(view) {
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);
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if(formatted === code) return true;
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const dom = view.dom;
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dom.classList.add('cm-flash');
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view.dom.classList.add('cm-flash');
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setTimeout(()=>{
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dom.classList.remove('cm-flash');
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view.dom.classList.remove('cm-flash');
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view.dispatch({
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changes : {
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@@ -53,186 +51,172 @@ export async function formatCSS(view) {
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} catch (err) {
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console.error('Error formatting css: ', err);
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}
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return true;
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}
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const forEachSelection = (view, fn)=>{
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view.dispatch(view.state.changeByRange((range)=>fn(view.state, range.from, range.to, view.state.doc.sliceString(range.from, range.to))));
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return true;
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};
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const insertTab = (view)=>{
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// If any selection spans multiple lines, delegates to CodeMirror's indentMore
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// Otherwise inserts two spaces at each cursor/selection
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// Otherwise inserts two spaces at each cursor/selection
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const shouldIndent = view.state.selection.ranges.some((range)=>view.state.doc.lineAt(range.from).number !==
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view.state.doc.lineAt(range.to).number
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);
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if(shouldIndent) return indentMore(view);
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const changes = [];
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for (const range of view.state.selection.ranges) {
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changes.push({
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from : range.from,
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to : range.to,
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insert : ' ' // Insert two spaces, not a tab char!
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});
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}
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// Create a transaction so we can map old positions to
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// their new positions after the edits are applied
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const mappedChanges = view.state.update({ changes });
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view.dispatch({
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changes,
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selection : EditorSelection.create(
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view.state.selection.ranges.map((range)=>EditorSelection.cursor(
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mappedChanges.changes.mapPos(range.from, -1) + 2
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)
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)
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)
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return forEachSelection(view, (state, from, to, selected)=>{
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return {
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changes : { from, to, insert: ' ' }, // Insert two spaces, not a tab char!
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range : EditorSelection.cursor(from + 2)
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};
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});
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return true;
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};
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const wrapSelection = (prefix, suffix)=>(view)=>{
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const changes = [];
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const wrapSelection = (prefix, suffix)=>(view)=>forEachSelection(view, (state, from, to, selected)=>{
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const noSelection = from === to;
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if(noSelection) {
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const insert = prefix + suffix;
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for (const range of view.state.selection.ranges) {
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const { from, to } = range;
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const selected = view.state.doc.sliceString(from, to);
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let text;
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if(from === to) { text = prefix + suffix; } else if(selected.startsWith(prefix) && selected.endsWith(suffix)) {
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text = selected.slice(prefix.length, -suffix.length);
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} else {text = `${prefix}${selected}${suffix}`;}
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changes.push({ from, to, insert: text });
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return {
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changes : { from, to, insert },
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range : EditorSelection.cursor(from + prefix.length)
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};
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}
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view.dispatch({
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changes
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});
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const hasWrapper = selected.startsWith(prefix) && selected.endsWith(suffix);
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if(hasWrapper) {
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return {
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changes : [
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{ from: to - suffix.length, to, insert: '' },
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{ from, to: from + prefix.length, insert: '' }
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],
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range : EditorSelection.range(from, to - prefix.length - suffix.length)
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};
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}
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return true;
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};
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const makeNbsp = (view)=>{
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const { from } = view.state.selection.main;
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const prev2 = from >= 2
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? view.state.doc.sliceString(from - 2, from)
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: '';
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return {
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changes : { from, to, insert: prefix + selected + suffix },
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range : EditorSelection.range(from, to + prefix.length + suffix.length)
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};
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});
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const makeNbsp = (view)=>forEachSelection(view, (state, from, to, selected)=>{
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const prev2 = from >= 2 ? state.doc.sliceString(from - 2, from) : '';
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const insert = (prev2 === ':>' || prev2 === '>>') ? '>' : ':>';
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view.dispatch({
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changes : { from, to: from, insert },
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selection : { anchor: from + insert.length },
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});
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return {
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changes : { from, to, insert },
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range : EditorSelection.cursor(from + insert.length)
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};
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});
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return true;
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};
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const makeSpace = (view)=>{
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const { from, to } = view.state.selection.main;
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const selected = view.state.doc.sliceString(from, to);
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const makeSpace = (view)=>forEachSelection(view, (state, from, to, selected)=>{
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let insert = '{{width:10% }}';
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const match = selected.match(/^{{width:(\d+)% }}$/);
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let newText = '{{width:10% }}';
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if(match) {
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const percent = Math.min(parseInt(match[1], 10) + 10, 100);
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newText = `{{width:${percent}% }}`;
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insert = `{{width:${percent}% }}`;
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}
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view.dispatch({ changes: { from, to, insert: newText } });
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return true;
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};
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return {
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changes : { from, to, insert },
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range : EditorSelection.range(from, from + insert.length)
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};
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});
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const removeSpace = (view)=>{
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const { from, to } = view.state.selection.main;
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const selected = view.state.doc.sliceString(from, to);
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const removeSpace = (view)=>forEachSelection(view, (state, from, to, selected)=>{
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const match = selected.match(/^{{width:(\d+)% }}$/);
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if(match) {
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const percent = parseInt(match[1], 10) - 10;
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const newText = percent > 0 ? `{{width:${percent}% }}` : '';
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view.dispatch({ changes: { from, to, insert: newText } });
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const insert = percent > 0 ? `{{width:${percent}% }}` : '';
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return { changes: { from, to, insert: insert }, range: EditorSelection.range(from, from + insert.length) };
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}
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return true;
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};
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});
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const makeSpan = (view)=>{
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const { from, to } = view.state.selection.main;
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const selected = view.state.doc.sliceString(from, to);
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const text = selected.startsWith('{{') && selected.endsWith('}}')
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? selected.slice(2, -2)
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: `{{${selected}}}`;
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view.dispatch({ changes: { from, to, insert: text } });
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return true;
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};
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const makeDiv = (view)=>{
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const { from, to } = view.state.selection.main;
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const selected = view.state.doc.sliceString(from, to);
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const text = selected.startsWith('{{') && selected.endsWith('}}')
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? selected.slice(2, -2)
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: `{{\n${selected}\n}}`;
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view.dispatch({ changes: { from, to, insert: text } });
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return true;
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};
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const makeComment = (view)=>{
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const { from, to } = view.state.selection.main;
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const selected = view.state.doc.sliceString(from, to);
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const isHtmlComment = selected.startsWith('<!--') && selected.endsWith('-->');
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const text = isHtmlComment
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? selected.slice(4, -3)
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: `<!-- ${selected} -->`;
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view.dispatch({ changes: { from, to, insert: text } });
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return true;
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};
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const makeLink = (view)=>{
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const { from, to } = view.state.selection.main;
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const selected = view.state.doc.sliceString(from, to).trim();
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const isLink = /^\[(.*)\]\((.*)\)$/.exec(selected);
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const text = isLink ? `${isLink[1]} ${isLink[2]}` : `[${selected || 'alt text'}](url)`;
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view.dispatch({ changes: { from, to, insert: text } });
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return true;
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};
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const makeList = (type)=>(view)=>{
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const { from, to } = view.state.selection.main;
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const lines = [];
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for (let l = from; l <= to; l++) {
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const lineText = view.state.doc.line(l + 1).text;
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lines.push(lineText);
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const makeLink = (view)=>forEachSelection(view, (state, from, to, selected)=>{
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// If the selection is already a Markdown link, unwrap it
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const existingLink = /^\[(.*)\]\((.*)\)$/.exec(selected);
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if(existingLink) {
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const [, text, url] = existingLink;
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const insert = `${text} ${url}`;
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return {
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changes : { from, to, insert },
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range : EditorSelection.range(
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from,
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from + insert.length
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),
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};
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}
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const joined = lines.join('\n');
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let newText;
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if(type === 'UL') newText = joined.replace(/^/gm, '- ');
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else newText = joined.replace(/^/gm, (m, i)=>`${i + 1}. `);
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view.dispatch({ changes: { from, to, insert: newText } });
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return true;
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};
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const makeHeader = (level)=>(view)=>{
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const { from, to } = view.state.selection.main;
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const selected = view.state.doc.sliceString(from, to);
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const text = `${'#'.repeat(level)} ${selected}`;
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view.dispatch({ changes: { from, to, insert: text } });
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return true;
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};
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// If the selection is a URL, use its domain as the link text.
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const isUrl =
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/^(https?:\/\/|www\.)\S+$/i.test(selected) ||
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/^[a-z0-9-]+(\.[a-z0-9-]+)+([/?#]\S*)?$/i.test(selected);
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if(isUrl) {
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const domain = selected
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.replace(/^https?:\/\//i, '')
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.replace(/^www\./i, '')
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.split(/[/?#]/)[0];
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const newColumn = (view)=>{
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const { from, to } = view.state.selection.main;
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view.dispatch({ changes: { from, to, insert: '\n\\column\n\n' } });
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return true;
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};
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const name = domain.split('.')[0];
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const insert = `[${name}](${selected})`;
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return {
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changes : { from, to, insert },
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range : EditorSelection.range(from, from + insert.length),
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};
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}
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const newPage = (view)=>{
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const { from, to } = view.state.selection.main;
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view.dispatch({ changes: { from, to, insert: '\n\\page\n\n' } });
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return true;
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};
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// If the selection is just text, use it as alt text and set url as placeholder
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const insert = `[${selected || 'alt text'}](url)`;
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return {
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changes : { from, to, insert },
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range : EditorSelection.range(from, from + insert.length),
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};
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});
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const addPrefixAtLineStart = (prefix)=>(view)=>forEachSelection(view, (state, from, to, selected)=>{
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const startLine = state.doc.lineAt(from);
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const endLine = state.doc.lineAt(to);
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const selectedLines = [];
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for (let lineNumber = startLine.number; lineNumber <= endLine.number; lineNumber++) { selectedLines.push(state.doc.line(lineNumber)); }
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const allLinesHavePrefix = selectedLines.every((line)=>line.text.startsWith(prefix));
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const changes = selectedLines.map((line)=>{
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const shouldRemovePrefix = allLinesHavePrefix && line.text.startsWith(prefix);
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return {
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from : line.from,
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to : shouldRemovePrefix
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? line.from + prefix.length
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: line.from,
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insert : shouldRemovePrefix ? '' : prefix,
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};
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});
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const changeSet = ChangeSet.of(changes, state.doc.length);
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return {
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changes,
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range : EditorSelection.range(
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changeSet.mapPos(from, -1),
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changeSet.mapPos(to, 1)
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),
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};
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});
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const newBreak = (type)=>(view)=>forEachSelection(view, (state, from, to, selected)=>{
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const insert = `\n\\${type}\n\n`;
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return {
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changes : { from, to, insert },
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range : EditorSelection.cursor(from + insert.length)
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};
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});
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export const generalKeymap = Prec.high(keymap.of([
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{ key: 'Tab', run: insertTab }, //runs indentMore if multiple lines selected in a single selection
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{ key: 'Tab', run: insertTab },
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{ key: 'Shift-Tab', run: indentLess },
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{ key: 'Mod-z', run: undo }, //it may be unnecessary
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{ key: 'Mod-Shift-z', run: redo },
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@@ -246,7 +230,6 @@ export const cssKeymap = Prec.highest(keymap.of([
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]));
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export const markdownKeymap = Prec.highest(keymap.of([
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{ key: 'Mod-b', run: wrapSelection('**', '**') }, // makeBold
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{ key: 'Mod-i', run: wrapSelection('*', '*') }, // makeItalic
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{ key: 'Mod-u', run: wrapSelection('<u>', '</u>') }, // makeUnderline
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@@ -255,18 +238,18 @@ export const markdownKeymap = Prec.highest(keymap.of([
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{ key: 'Mod-.', run: makeNbsp },
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{ key: 'Shift-Mod-.', run: makeSpace },
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{ key: 'Shift-Mod-,', run: removeSpace },
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{ key: 'Mod-m', run: makeSpan },
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{ key: 'Shift-Mod-m', run: makeDiv },
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{ key: 'Mod-/', run: makeComment },
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{ key: 'Mod-k', run: makeLink },
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{ key: 'Mod-l', run: makeList('UL') },
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{ key: 'Shift-Mod-l', run: makeList('OL') },
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{ key: 'Shift-Mod-1', run: makeHeader(1) },
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{ key: 'Shift-Mod-2', run: makeHeader(2) },
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{ key: 'Shift-Mod-3', run: makeHeader(3) },
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{ key: 'Shift-Mod-4', run: makeHeader(4) },
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{ key: 'Shift-Mod-5', run: makeHeader(5) },
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{ key: 'Shift-Mod-6', run: makeHeader(6) },
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{ key: 'Mod-Enter', run: newPage },
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{ key: 'Shift-Mod-Enter', run: newColumn },
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{ key: 'Mod-m', run: wrapSelection('{{', '}}') },
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{ key: 'Shift-Mod-m', run: wrapSelection('{{\n', '\n}}') },
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{ key: 'Mod-/', run: wrapSelection('<!-- ', ' -->') },
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{ key: 'Mod-Shift-k', run: makeLink },
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{ key: 'Mod-Shift-u', run: addPrefixAtLineStart('- ') },
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{ key: 'Mod-Shift-o', run: addPrefixAtLineStart('1. ') },
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{ key: 'Shift-Mod-1', run: addPrefixAtLineStart('# ') },
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{ key: 'Shift-Mod-2', run: addPrefixAtLineStart('## ') },
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{ key: 'Shift-Mod-3', run: addPrefixAtLineStart('### ') },
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{ key: 'Shift-Mod-4', run: addPrefixAtLineStart('#### ') },
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{ key: 'Shift-Mod-5', run: addPrefixAtLineStart('##### ') },
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{ key: 'Shift-Mod-6', run: addPrefixAtLineStart('###### ') },
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{ key: 'Mod-Enter', run: newBreak('page') },
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{ key: 'Shift-Mod-Enter', run: newBreak('column') },
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]));
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