devextreme/cjs/__internal/ui/html_editor/converters/m_delta.js

JavaScript/TypeScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/__internal/ui/html_editor/converters/m_delta.js)
 * Version: 25.2.5
 * Build date: Fri Feb 20 2026
 *
 * Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = void 0;
var _m_converterController = _interopRequireDefault(require("../m_converterController"));

function _interopRequireDefault(e) {
    return e && e.__esModule ? e : {
        default: e
    }
}
class DeltaConverter {
    constructor() {
        this.quillInstance = null
    }
    setQuillInstance(quillInstance) {
        this.quillInstance = quillInstance
    }
    toHtml() {
        if (!this.quillInstance) {
            return
        }
        return this._isQuillEmpty() ? "" : this.quillInstance.getSemanticHTML(0, this.quillInstance.getLength() + 1)
    }
    _isQuillEmpty() {
        if (!this.quillInstance) {
            return true
        }
        const delta = this.quillInstance.getContents();
        return 1 === delta.length() && DeltaConverter._isDeltaEmpty(delta)
    }
    static _isDeltaEmpty(delta) {
        return delta.reduce(((_, operation) => {
            if ("string" === typeof operation.insert) {
                return operation.insert.includes("\n")
            }
            return false
        }), false)
    }
}
_m_converterController.default.addConverter("delta", DeltaConverter);
var _default = exports.default = DeltaConverter;