110 lines
2.6 KiB
TypeScript
110 lines
2.6 KiB
TypeScript
import { EditorState, Selection, TextSelection } from 'prosemirror-state'
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import { RawCommands, FocusPosition } from '../types'
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import minMax from '../utilities/minMax'
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import isTextSelection from '../helpers/isTextSelection'
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import isiOS from '../utilities/isiOS'
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function resolveSelection(state: EditorState, position: FocusPosition = null) {
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if (!position) {
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return null
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}
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if (position === 'start' || position === true) {
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return {
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from: 0,
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to: 0,
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}
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}
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const { size } = state.doc.content
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if (position === 'end') {
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return {
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from: size,
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to: size,
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}
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}
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if (position === 'all') {
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return {
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from: 0,
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to: size,
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}
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}
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return {
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from: position,
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to: position,
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}
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}
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declare module '@tiptap/core' {
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interface Commands<ReturnType> {
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focus: {
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/**
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* Focus the editor at the given position.
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*/
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focus: (position?: FocusPosition) => ReturnType,
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}
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}
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}
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export const focus: RawCommands['focus'] = (position = null) => ({
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editor,
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view,
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tr,
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dispatch,
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}) => {
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const delayedFocus = () => {
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// focus within `requestAnimationFrame` breaks focus on iOS
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// so we have to call this
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if (isiOS()) {
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(view.dom as HTMLElement).focus()
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}
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// For React we have to focus asynchronously. Otherwise wild things happen.
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// see: https://github.com/ueberdosis/tiptap/issues/1520
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requestAnimationFrame(() => {
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if (!editor.isDestroyed) {
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view.focus()
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editor.commands.scrollIntoView()
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}
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})
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}
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if ((view.hasFocus() && position === null) || position === false) {
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return true
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}
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// we don’t try to resolve a NodeSelection or CellSelection
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if (dispatch && position === null && !isTextSelection(editor.state.selection)) {
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delayedFocus()
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return true
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}
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const { from, to } = resolveSelection(editor.state, position) || editor.state.selection
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const { doc, storedMarks } = tr
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const minPos = Selection.atStart(doc).from
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const maxPos = Selection.atEnd(doc).to
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const resolvedFrom = minMax(from, minPos, maxPos)
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const resolvedEnd = minMax(to, minPos, maxPos)
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const selection = TextSelection.create(doc, resolvedFrom, resolvedEnd)
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const isSameSelection = editor.state.selection.eq(selection)
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if (dispatch) {
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if (!isSameSelection) {
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tr.setSelection(selection)
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}
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// `tr.setSelection` resets the stored marks
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// so we’ll restore them if the selection is the same as before
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if (isSameSelection && storedMarks) {
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tr.setStoredMarks(storedMarks)
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}
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delayedFocus()
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}
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return true
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}
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