@zodiac-ui/editor/esm2015/plugins/base/pm/focus-handler.js

A rich text editor for Angular based on `@atlaskit/editor-core`.

import { PluginKey, Plugin } from 'prosemirror-state';
export const focusStateKey = new PluginKey('focusStatePlugin');
export const focusHandlerPlugin = (dispatch) => new Plugin({
    key: focusStateKey,
    state: {
        init: () => true,
        apply: (tr, wasEditorFocused) => {
            const meta = tr.getMeta(focusStateKey);
            if (typeof meta === 'boolean') {
                if (meta !== wasEditorFocused) {
                    dispatch(focusStateKey, meta);
                    return meta;
                }
            }
            return wasEditorFocused;
        },
    },
    props: {
        handleDOMEvents: {
            click: view => {
                const isEditorFocused = focusStateKey.getState(view.state);
                if (!isEditorFocused) {
                    view.dispatch(view.state.tr.setMeta(focusStateKey, view.hasFocus()));
                }
                return false;
            },
            focus: view => {
                const isEditorFocused = focusStateKey.getState(view.state);
                if (!isEditorFocused) {
                    view.dispatch(view.state.tr.setMeta(focusStateKey, true));
                }
                return false;
            },
            blur: view => {
                const isEditorFocused = focusStateKey.getState(view.state);
                if (isEditorFocused) {
                    view.dispatch(view.state.tr.setMeta(focusStateKey, false));
                }
                return false;
            },
        },
    },
});
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