react-mathlive/dist/MathfieldComponent.js

An interactive math input for react.

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MathfieldComponent = exports.combineConfig = void 0;
var React = __importStar(require("react"));
// @ts-ignore
var mathlive_1 = __importDefault(require("mathlive"));
require("mathlive/dist/mathlive-fonts.css");
function combineConfig(props) {
    var combinedConfiguration = __assign({}, props.mathfieldConfig);
    var onChange = props.onChange;
    if (onChange) {
        if (props.mathfieldConfig && props.mathfieldConfig.onContentDidChange) {
            var fromConfig_1 = props.mathfieldConfig.onContentDidChange;
            combinedConfiguration.onContentDidChange = function (mf) {
                onChange(mf.$latex());
                fromConfig_1(mf);
            };
        }
        else {
            combinedConfiguration.onContentDidChange = function (mf) {
                return onChange(mf.$latex());
            };
        }
    }
    return combinedConfiguration;
}
exports.combineConfig = combineConfig;
/** A react-control that hosts a mathlive-mathfield in it. */
var MathfieldComponent = /** @class */ (function (_super) {
    __extends(MathfieldComponent, _super);
    function MathfieldComponent() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.insertElement = null;
        _this.combinedConfiguration = combineConfig(_this.props);
        return _this;
    }
    MathfieldComponent.prototype.componentDidUpdate = function (prevProps) {
        if (!this.mathfield) {
            throw new Error("Component was not correctly initialized.");
        }
        if (prevProps.latex !== undefined) {
            if (this.props.latex === undefined) {
                throw new Error("Cannot change from controlled to uncontrolled state!");
            }
            if (this.props.latex !== prevProps.latex) {
                if (this.props.latex === "") {
                    this.mathfield.$perform("deleteAll");
                }
                else {
                    this.mathfield.$latex(this.props.latex, {
                        suppressChangeNotifications: true,
                    });
                }
            }
        }
    };
    MathfieldComponent.prototype.render = function () {
        var _this = this;
        return React.createElement("div", { ref: function (instance) { return (_this.insertElement = instance); } });
    };
    MathfieldComponent.prototype.componentDidMount = function () {
        var _a;
        if (!this.insertElement) {
            throw new Error("React did apparently not mount the insert point correctly.");
        }
        var initialValue = (_a = this.props.initialLatex) !== null && _a !== void 0 ? _a : this.props.latex;
        this.mathfield = mathlive_1.default.makeMathField(this.insertElement, this.combinedConfiguration);
        this.mathfield.$latex(initialValue, {
            suppressChangeNotifications: true,
        });
        if (this.props.mathfieldRef) {
            this.props.mathfieldRef(this.mathfield);
        }
    };
    return MathfieldComponent;
}(React.Component));
exports.MathfieldComponent = MathfieldComponent;
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