Move source editor out of module (#12457)

* Update Copybara options in preparation for open-sourcing the source editor * Move files * Update paths * Remove source-editor module and checks for its existence * Explicitly mention CM6 license in files that contain code adapted from CM6 GitOrigin-RevId: 89b7cc2b409db01ad103198ccbd1b126ab56349b
2026-11-15 06:33:55 +01:00 · 2023-04-13 08:40:56 +00:00
parent 3f992f9453
commit 7f37ba737c
296 changed files with 33268 additions and 54 deletions
@@ -0,0 +1,169 @@
+import { foldEffect, foldState } from '@codemirror/language'
+import { EditorSelection, EditorState } from '@codemirror/state'
+import { DecorationSet, EditorView } from '@codemirror/view'
+import { expect } from 'chai'
+import { duplicateSelection } from '../../../../../frontend/js/features/source-editor/commands/ranges'
+
+type Position = {
+  from: number
+  to: number
+}
+
+function folds(foldRanges: DecorationSet) {
+  const ranges: Position[] = []
+  foldRanges.between(Number.MIN_VALUE, Number.MAX_VALUE, (from, to) => {
+    ranges.push({ from, to })
+  })
+  return ranges
+}
+
+describe('Line duplication command', function () {
+  describe('For single selections', function () {
+    describe('For cursor selection', function () {
+      it('Cursor selection duplicates line downwards', function () {
+        const view = new EditorView({
+          doc: 'line1\nline2',
+          selection: EditorSelection.cursor(0),
+        })
+
+        duplicateSelection(view)
+
+        expect(view.state.doc.toString()).to.equal('line1\nline1\nline2')
+
+        expect(view.state.selection.ranges.length).to.equal(1)
+        expect(view.state.selection.ranges[0].eq(EditorSelection.cursor(0))).to
+          .be.true
+      })
+
+      it('Preserves folded ranges', function () {
+        const view = new EditorView({
+          doc: '\\begin{itemize}\n\t\\item test\n\\end{itemize}',
+          extensions: foldState,
+        })
+
+        view.dispatch(
+          view.state.update({
+            selection: EditorSelection.cursor(0),
+            // Fold to \begin{itemize}...\end{itemize}
+            effects: [foldEffect.of({ from: 15, to: 28 })],
+          })
+        )
+
+        duplicateSelection(view)
+
+        expect(folds(view.state.field(foldState))).to.deep.equal([
+          { from: 15, to: 28 },
+          { from: 57, to: 70 },
+        ])
+
+        expect(view.state.selection.ranges.length).to.equal(1)
+        expect(view.state.selection.ranges[0].eq(EditorSelection.cursor(0))).to
+          .be.true
+      })
+    })
+    describe('For range selections', function () {
+      it('Duplicates line with a cursor downwards', function () {
+        const view = new EditorView({
+          doc: 'line1\nline2',
+          selection: EditorSelection.cursor(0),
+        })
+
+        duplicateSelection(view)
+
+        expect(view.state.doc.toString()).to.equal('line1\nline1\nline2')
+      })
+
+      it('Duplicates range forwards', function () {
+        const view = new EditorView({
+          doc: 'line1\nline2',
+          selection: EditorSelection.range(0, 5),
+        })
+
+        duplicateSelection(view)
+
+        expect(view.state.doc.toString()).to.equal('line1line1\nline2')
+        expect(view.state.selection.ranges.length).to.equal(1)
+        expect(view.state.selection.ranges[0].eq(EditorSelection.range(5, 10)))
+          .to.be.true
+      })
+
+      it('Duplicates range backwards', function () {
+        const view = new EditorView({
+          doc: 'line1\nline2',
+          selection: EditorSelection.range(5, 0),
+        })
+
+        duplicateSelection(view)
+
+        expect(view.state.doc.toString()).to.equal('line1line1\nline2')
+        expect(view.state.selection.ranges.length).to.equal(1)
+        expect(view.state.selection.ranges[0].eq(EditorSelection.range(5, 0)))
+          .to.be.true
+      })
+    })
+  })
+
+  describe('For multiple selections', function () {
+    it('Preserves folded ranges', function () {
+      const doc =
+        '\\begin{itemize}\n\t\\item line1\n\\end{itemize}\n\\begin{itemize}\n\t\\item line2\n\\end{itemize}'
+      const view = new EditorView({
+        doc,
+        extensions: [foldState, EditorState.allowMultipleSelections.of(true)],
+      })
+
+      view.dispatch(
+        view.state.update({
+          selection: EditorSelection.create([
+            EditorSelection.cursor(0),
+            EditorSelection.cursor(43),
+          ]),
+          effects: [
+            foldEffect.of({ from: 15, to: 29 }),
+            foldEffect.of({ from: 58, to: 72 }),
+          ],
+        })
+      )
+
+      duplicateSelection(view)
+
+      expect(view.state.doc.toString()).to.equal(
+        '\\begin{itemize}\n\t\\item line1\n\\end{itemize}\n\\begin{itemize}\n\t\\item line1\n\\end{itemize}\n\\begin{itemize}\n\t\\item line2\n\\end{itemize}\n\\begin{itemize}\n\t\\item line2\n\\end{itemize}'
+      )
+
+      expect(folds(view.state.field(foldState))).to.deep.equal([
+        { from: 15, to: 29 },
+        { from: 58, to: 72 },
+        { from: 101, to: 115 },
+        { from: 144, to: 158 },
+      ])
+
+      expect(view.state.selection.ranges.length).to.equal(2)
+      expect(view.state.selection.ranges[0].eq(EditorSelection.cursor(0))).to.be
+        .true
+      expect(view.state.selection.ranges[1].eq(EditorSelection.cursor(86))).to
+        .be.true
+    })
+
+    it('Duplicates all selections', function () {
+      const view = new EditorView({
+        doc: 'line1\nline2',
+        extensions: [EditorState.allowMultipleSelections.of(true)],
+        selection: EditorSelection.create([
+          EditorSelection.cursor(1),
+          EditorSelection.range(7, 9),
+        ]),
+      })
+
+      duplicateSelection(view)
+
+      expect(view.state.doc.toString()).to.equal('line1\nline1\nlinine2')
+
+      expect(view.state.selection.ranges.length).to.equal(2)
+      expect(view.state.selection.ranges[0].eq(EditorSelection.cursor(1))).to.be
+        .true
+      expect(view.state.selection.ranges[1].eq(EditorSelection.range(15, 17)))
+        .to.be.true
+    })
+  })
+})