/**
 * TinyMCE version 8.5.1 (2026-05-19)
 */

(function () {
    'use strict';

    var global$2 = tinymce.util.Tools.resolve('tinymce.PluginManager');

    var global$1 = tinymce.util.Tools.resolve('tinymce.dom.RangeUtils');

    var global = tinymce.util.Tools.resolve('tinymce.util.Tools');

    const option = (name) => (editor) => editor.options.get(name);
    const register$2 = (editor) => {
        const registerOption = editor.options.register;
        registerOption('allow_html_in_named_anchor', {
            processor: 'boolean',
            default: false
        });
    };
    const allowHtmlInNamedAnchor = option('allow_html_in_named_anchor');

    const namedAnchorSelector = 'a:not([href])';
    const isEmptyString = (str) => !str;
    const getIdFromAnchor = (elm) => {
        const id = elm.getAttribute('id') || elm.getAttribute('name');
        return id || '';
    };
    const isAnchor = (elm) => elm.nodeName.toLowerCase() === 'a';
    const isNamedAnchor = (elm) => isAnchor(elm) && !elm.getAttribute('href') && getIdFromAnchor(elm) !== '';
    const isEmptyNamedAnchor = (elm) => isNamedAnchor(elm) && !elm.firstChild;

    const removeEmptyNamedAnchorsInSelection = (editor) => {
        const dom = editor.dom;
        global$1(dom).walk(editor.selection.getRng(), (nodes) => {
            global.each(nodes, (node) => {
                if (isEmptyNamedAnchor(node)) {
                    dom.remove(node, false);
                }
            });
        });
    };
    const isValidId = (id) => 
    // Follows HTML4 rules: https://www.w3.org/TR/html401/types.html#type-id
    /^[A-Za-z][A-Za-z0-9\-:._]*$/.test(id);
    const getNamedAnchor = (editor) => editor.dom.getParent(editor.selection.getStart(), namedAnchorSelector);
    const getId = (editor) => {
        const anchor = getNamedAnchor(editor);
        if (anchor) {
            return getIdFromAnchor(anchor);
        }
        else {
            return '';
        }
    };
    const createAnchor = (editor, id) => {
        editor.undoManager.transact(() => {
            if (!allowHtmlInNamedAnchor(editor)) {
                editor.selection.collapse(true);
            }
            if (editor.selection.isCollapsed()) {
                editor.insertContent(editor.dom.createHTML('a', { id }));
            }
            else {
                // Remove any empty named anchors in the selection as they cannot be removed by the formatter since they are cef
                removeEmptyNamedAnchorsInSelection(editor);
                // Format is set up to truncate any partially selected named anchors so that they are not completely removed
                editor.formatter.remove('namedAnchor', undefined, undefined, true);
                // Insert new anchor using the formatter - will wrap selected content in anchor
                editor.formatter.apply('namedAnchor', { value: id });
                // Need to add visual classes to anchors if required
                editor.addVisual();
            }
        });
    };
    const updateAnchor = (editor, id, anchorElement) => {
        anchorElement.removeAttribute('name');
        anchorElement.id = id;
        editor.addVisual(); // Need to add visual classes to anchors if required
        editor.undoManager.add();
    };
    const insert = (editor, id) => {
        const anchor = getNamedAnchor(editor);
        if (anchor) {
            updateAnchor(editor, id, anchor);
        }
        else {
            createAnchor(editor, id);
        }
        editor.focus();
    };

    const insertAnchor = (editor, newId) => {
        if (!isValidId(newId)) {
            editor.windowManager.alert('ID should start with a letter, followed only by letters, numbers, dashes, dots, colons or underscores.');
            return false;
        }
        else {
            insert(editor, newId);
            return true;
        }
    };
    const open = (editor) => {
        const currentId = getId(editor);
        editor.windowManager.open({
            title: 'Anchor',
            size: 'normal',
            body: {
                type: 'panel',
                items: [
                    {
                        name: 'id',
                        type: 'input',
                        label: 'ID',
                        placeholder: 'example'
                    }
                ]
            },
            buttons: [
                {
                    type: 'cancel',
                    name: 'cancel',
                    text: 'Cancel'
                },
                {
                    type: 'submit',
                    name: 'save',
                    text: 'Save',
                    primary: true
                }
            ],
            initialData: {
                id: currentId
            },
            onSubmit: (api) => {
                if (insertAnchor(editor, api.getData().id)) { // TODO we need a better way to do validation
                    api.close();
                }
            }
        });
    };

    const register$1 = (editor) => {
        editor.addCommand('mceAnchor', () => {
            open(editor);
        });
    };

    // Note: node.firstChild check is for the 'allow_html_in_named_anchor' setting
    // Only want to add contenteditable attributes if there is no text within the anchor
    const isNamedAnchorNode = (node) => isEmptyString(node.attr('href')) && !isEmptyString(node.attr('id') || node.attr('name'));
    const isEmptyNamedAnchorNode = (node) => isNamedAnchorNode(node) && !node.firstChild;
    const setContentEditable = (state) => (nodes) => {
        for (let i = 0; i < nodes.length; i++) {
            const node = nodes[i];
            if (isEmptyNamedAnchorNode(node)) {
                node.attr('contenteditable', state);
            }
        }
    };
    const setup = (editor) => {
        editor.on('PreInit', () => {
            editor.parser.addNodeFilter('a', setContentEditable('false'));
            editor.serializer.addNodeFilter('a', setContentEditable(null));
        });
    };

    const registerFormats = (editor) => {
        editor.formatter.register('namedAnchor', {
            inline: 'a',
            selector: namedAnchorSelector,
            remove: 'all',
            split: true,
            deep: true,
            attributes: {
                id: '%value'
            },
            onmatch: (node, _fmt, _itemName) => {
                return isNamedAnchor(node);
            }
        });
    };

    const onSetupEditable = (editor) => (api) => {
        const nodeChanged = () => {
            api.setEnabled(editor.selection.isEditable());
        };
        editor.on('NodeChange', nodeChanged);
        nodeChanged();
        return () => {
            editor.off('NodeChange', nodeChanged);
        };
    };
    const register = (editor) => {
        const onAction = () => editor.execCommand('mceAnchor');
        editor.ui.registry.addToggleButton('anchor', {
            icon: 'bookmark',
            tooltip: 'Anchor',
            onAction,
            onSetup: (buttonApi) => {
                const unbindSelectorChanged = editor.selection.selectorChangedWithUnbind('a:not([href])', buttonApi.setActive).unbind;
                const unbindEditableChanged = onSetupEditable(editor)(buttonApi);
                return () => {
                    unbindSelectorChanged();
                    unbindEditableChanged();
                };
            }
        });
        editor.ui.registry.addMenuItem('anchor', {
            icon: 'bookmark',
            text: 'Anchor...',
            onAction,
            onSetup: onSetupEditable(editor)
        });
    };

    var Plugin = () => {
        global$2.add('anchor', (editor) => {
            register$2(editor);
            setup(editor);
            register$1(editor);
            register(editor);
            editor.on('PreInit', () => {
                registerFormats(editor);
            });
        });
    };

    Plugin();
    /** *****
     * DO NOT EXPORT ANYTHING
     *
     * IF YOU DO ROLLUP WILL LEAVE A GLOBAL ON THE PAGE
     *******/

})();
