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}
// Certain hotkeys have native editing behaviors in `contenteditable`
// elements which will editor the DOM and cause our value to be out of sync,
// so they need to always be prevented.
if (
!IS_IOS &&
(Hotkeys.isBold(event) ||
Hotkeys.isDeleteBackward(event) ||
Hotkeys.isDeleteForward(event) ||
Hotkeys.isDeleteLineBackward(event) ||
Hotkeys.isDeleteLineForward(event) ||
Hotkeys.isDeleteWordBackward(event) ||
Hotkeys.isDeleteWordForward(event) ||
Hotkeys.isItalic(event) ||
Hotkeys.isRedo(event) ||
Hotkeys.isSplitBlock(event) ||
Hotkeys.isTransposeCharacter(event) ||
Hotkeys.isUndo(event))
) {
event.preventDefault()
}
isUserActionPerformed = true
debug('onKeyDown', { event })
next()
}
onEvent(handler, event) {
debug('onEvent', handler)
const nativeEvent = event.nativeEvent || event
const isUndoRedo =
event.type === 'keydown' &&
(Hotkeys.isUndo(nativeEvent) || Hotkeys.isRedo(nativeEvent))
// Ignore `onBlur`, `onFocus` and `onSelect` events generated
// programmatically while updating selection.
if (
(this.tmp.isUpdatingSelection || isUndoRedo) &&
(handler === 'onSelect' || handler === 'onBlur' || handler === 'onFocus')
) {
return
}
// COMPAT: There are situations where a select event will fire with a new
// native selection that resolves to the same internal position. In those
// cases we don't need to trigger any changes, since our internal model is
// already up to date, but we do want to update the native selection again
// to make sure it is in sync. (2017/10/16)
//
return editor.deleteLineBackward()
}
if (Hotkeys.isDeleteLineForward(event)) {
return editor.deleteLineForward()
}
if (Hotkeys.isDeleteWordBackward(event)) {
return editor.deleteWordBackward()
}
if (Hotkeys.isDeleteWordForward(event)) {
return editor.deleteWordForward()
}
if (Hotkeys.isRedo(event)) {
return editor.redo()
}
if (Hotkeys.isUndo(event)) {
return editor.undo()
}
// COMPAT: Certain browsers don't handle the selection updates properly. In
// Chrome, the selection isn't properly extended. And in Firefox, the
// selection isn't properly collapsed. (2017/10/17)
if (Hotkeys.isMoveLineBackward(event)) {
event.preventDefault()
return editor.moveToStartOfBlock()
}
if (Hotkeys.isMoveLineForward(event)) {
// elements which will editor the DOM and cause our value to be out of sync,
// so they need to always be prevented.
if (
!IS_IOS &&
(Hotkeys.isBold(event) ||
Hotkeys.isDeleteBackward(event) ||
Hotkeys.isDeleteForward(event) ||
Hotkeys.isDeleteLineBackward(event) ||
Hotkeys.isDeleteLineForward(event) ||
Hotkeys.isDeleteWordBackward(event) ||
Hotkeys.isDeleteWordForward(event) ||
Hotkeys.isItalic(event) ||
Hotkeys.isRedo(event) ||
Hotkeys.isSplitBlock(event) ||
Hotkeys.isTransposeCharacter(event) ||
Hotkeys.isUndo(event))
) {
event.preventDefault()
}
isUserActionPerformed = true
debug('onKeyDown', { event })
next()
}
return editor.deleteLineForward()
}
if (Hotkeys.isDeleteWordBackward(event)) {
return editor.deleteWordBackward()
}
if (Hotkeys.isDeleteWordForward(event)) {
return editor.deleteWordForward()
}
if (Hotkeys.isRedo(event)) {
return editor.redo()
}
if (Hotkeys.isUndo(event)) {
return editor.undo()
}
// COMPAT: Certain browsers don't handle the selection updates properly. In
// Chrome, the selection isn't properly extended. And in Firefox, the
// selection isn't properly collapsed. (2017/10/17)
if (Hotkeys.isMoveLineBackward(event)) {
event.preventDefault()
return editor.moveToStartOfBlock()
}
if (Hotkeys.isMoveLineForward(event)) {
event.preventDefault()
return editor.moveToEndOfBlock()
}
// When composing, we need to prevent all hotkeys from executing while
// typing. However, certain characters also move the selection before
// we're able to handle it, so prevent their default behavior.
if (isComposing) {
if (Hotkeys.isCompose(event)) event.preventDefault()
return
}
// Certain hotkeys have native editing behaviors in `contenteditable`
// elements which will editor the DOM and cause our value to be out of sync,
// so they need to always be prevented.
if (
!IS_IOS &&
(Hotkeys.isBold(event) ||
Hotkeys.isDeleteBackward(event) ||
Hotkeys.isDeleteForward(event) ||
Hotkeys.isDeleteLineBackward(event) ||
Hotkeys.isDeleteLineForward(event) ||
Hotkeys.isDeleteWordBackward(event) ||
Hotkeys.isDeleteWordForward(event) ||
Hotkeys.isItalic(event) ||
Hotkeys.isRedo(event) ||
Hotkeys.isSplitBlock(event) ||
Hotkeys.isTransposeCharacter(event) ||
Hotkeys.isUndo(event))
) {
event.preventDefault()
}
isUserActionPerformed = true
debug('onKeyDown', { event })
const { value } = editor
const { document, selection } = value
const { start } = selection
const hasVoidParent = document.hasVoidParent(start.path, editor)
// COMPAT: In iOS, some of these hotkeys are handled in the
// `onNativeBeforeInput` handler of the `<content>` component in order to
// preserve native autocorrect behavior, so they shouldn't be handled here.
if (Hotkeys.isSplitBlock(event) && !IS_IOS) {
return hasVoidParent
? editor.moveToStartOfNextText()
: editor.splitBlock()
}
if (Hotkeys.isDeleteBackward(event) && !IS_IOS) {
return editor.deleteCharBackward()
}
if (Hotkeys.isDeleteForward(event) && !IS_IOS) {
return editor.deleteCharForward()
}
if (Hotkeys.isDeleteLineBackward(event)) {
return editor.deleteLineBackward()
}
if (Hotkeys.isDeleteLineForward(event)) {
return editor.deleteLineForward()
}
if (Hotkeys.isDeleteWordBackward(event)) {</content>
const hasVoidParent = document.hasVoidParent(start.path, editor)
// COMPAT: In iOS, some of these hotkeys are handled in the
// `onNativeBeforeInput` handler of the `<content>` component in order to
// preserve native autocorrect behavior, so they shouldn't be handled here.
if (Hotkeys.isSplitBlock(event) && !IS_IOS) {
return hasVoidParent
? editor.moveToStartOfNextText()
: editor.splitBlock()
}
if (Hotkeys.isDeleteBackward(event) && !IS_IOS) {
return editor.deleteCharBackward()
}
if (Hotkeys.isDeleteForward(event) && !IS_IOS) {
return editor.deleteCharForward()
}
if (Hotkeys.isDeleteLineBackward(event)) {
return editor.deleteLineBackward()
}
if (Hotkeys.isDeleteLineForward(event)) {
return editor.deleteLineForward()
}
if (Hotkeys.isDeleteWordBackward(event)) {
return editor.deleteWordBackward()
}
if (Hotkeys.isDeleteWordForward(event)) {</content>
// When composing, we need to prevent all hotkeys from executing while
// typing. However, certain characters also move the selection before
// we're able to handle it, so prevent their default behavior.
if (isComposing) {
if (Hotkeys.isCompose(event)) event.preventDefault()
return
}
// Certain hotkeys have native editing behaviors in `contenteditable`
// elements which will editor the DOM and cause our value to be out of sync,
// so they need to always be prevented.
if (
!IS_IOS &&
(Hotkeys.isBold(event) ||
Hotkeys.isDeleteBackward(event) ||
Hotkeys.isDeleteForward(event) ||
Hotkeys.isDeleteLineBackward(event) ||
Hotkeys.isDeleteLineForward(event) ||
Hotkeys.isDeleteWordBackward(event) ||
Hotkeys.isDeleteWordForward(event) ||
Hotkeys.isItalic(event) ||
Hotkeys.isRedo(event) ||
Hotkeys.isSplitBlock(event) ||
Hotkeys.isTransposeCharacter(event) ||
Hotkeys.isUndo(event))
) {
event.preventDefault()
}
isUserActionPerformed = true
debug('onKeyDown', { event })
next()
// preserve native autocorrect behavior, so they shouldn't be handled here.
if (Hotkeys.isSplitBlock(event) && !IS_IOS) {
return hasVoidParent
? editor.moveToStartOfNextText()
: editor.splitBlock()
}
if (Hotkeys.isDeleteBackward(event) && !IS_IOS) {
return editor.deleteCharBackward()
}
if (Hotkeys.isDeleteForward(event) && !IS_IOS) {
return editor.deleteCharForward()
}
if (Hotkeys.isDeleteLineBackward(event)) {
return editor.deleteLineBackward()
}
if (Hotkeys.isDeleteLineForward(event)) {
return editor.deleteLineForward()
}
if (Hotkeys.isDeleteWordBackward(event)) {
return editor.deleteWordBackward()
}
if (Hotkeys.isDeleteWordForward(event)) {
return editor.deleteWordForward()
}
if (Hotkeys.isRedo(event)) {