stuff

node_modules/mathjax-full/js/a11y/explorer/Explorer.js

@@ -0,0 +1,162 @@
+"use strict";
+var __read = (this && this.__read) || function (o, n) {
+    var m = typeof Symbol === "function" && o[Symbol.iterator];
+    if (!m) return o;
+    var i = m.call(o), r, ar = [], e;
+    try {
+        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
+    }
+    catch (error) { e = { error: error }; }
+    finally {
+        try {
+            if (r && !r.done && (m = i["return"])) m.call(i);
+        }
+        finally { if (e) throw e.error; }
+    }
+    return ar;
+};
+var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
+    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
+        if (ar || !(i in from)) {
+            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
+            ar[i] = from[i];
+        }
+    }
+    return to.concat(ar || Array.prototype.slice.call(from));
+};
+var __values = (this && this.__values) || function(o) {
+    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
+    if (m) return m.call(o);
+    if (o && typeof o.length === "number") return {
+        next: function () {
+            if (o && i >= o.length) o = void 0;
+            return { value: o && o[i++], done: !o };
+        }
+    };
+    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AbstractExplorer = void 0;
+var sre_js_1 = __importDefault(require("../sre.js"));
+var AbstractExplorer = (function () {
+    function AbstractExplorer(document, region, node) {
+        var _rest = [];
+        for (var _i = 3; _i < arguments.length; _i++) {
+            _rest[_i - 3] = arguments[_i];
+        }
+        this.document = document;
+        this.region = region;
+        this.node = node;
+        this.stoppable = true;
+        this.events = [];
+        this.highlighter = this.getHighlighter();
+        this._active = false;
+    }
+    AbstractExplorer.stopEvent = function (event) {
+        if (event.preventDefault) {
+            event.preventDefault();
+        }
+        else {
+            event.returnValue = false;
+        }
+        if (event.stopImmediatePropagation) {
+            event.stopImmediatePropagation();
+        }
+        else if (event.stopPropagation) {
+            event.stopPropagation();
+        }
+        event.cancelBubble = true;
+    };
+    AbstractExplorer.create = function (document, region, node) {
+        var rest = [];
+        for (var _i = 3; _i < arguments.length; _i++) {
+            rest[_i - 3] = arguments[_i];
+        }
+        var explorer = new (this.bind.apply(this, __spreadArray([void 0, document, region, node], __read(rest), false)))();
+        return explorer;
+    };
+    AbstractExplorer.prototype.Events = function () {
+        return this.events;
+    };
+    Object.defineProperty(AbstractExplorer.prototype, "active", {
+        get: function () {
+            return this._active;
+        },
+        set: function (flag) {
+            this._active = flag;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    AbstractExplorer.prototype.Attach = function () {
+        this.AddEvents();
+    };
+    AbstractExplorer.prototype.Detach = function () {
+        this.RemoveEvents();
+    };
+    AbstractExplorer.prototype.Start = function () {
+        this.highlighter = this.getHighlighter();
+        this.active = true;
+    };
+    AbstractExplorer.prototype.Stop = function () {
+        if (this.active) {
+            this.region.Clear();
+            this.region.Hide();
+            this.active = false;
+        }
+    };
+    AbstractExplorer.prototype.AddEvents = function () {
+        var e_1, _a;
+        try {
+            for (var _b = __values(this.events), _c = _b.next(); !_c.done; _c = _b.next()) {
+                var _d = __read(_c.value, 2), eventkind = _d[0], eventfunc = _d[1];
+                this.node.addEventListener(eventkind, eventfunc);
+            }
+        }
+        catch (e_1_1) { e_1 = { error: e_1_1 }; }
+        finally {
+            try {
+                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+            }
+            finally { if (e_1) throw e_1.error; }
+        }
+    };
+    AbstractExplorer.prototype.RemoveEvents = function () {
+        var e_2, _a;
+        try {
+            for (var _b = __values(this.events), _c = _b.next(); !_c.done; _c = _b.next()) {
+                var _d = __read(_c.value, 2), eventkind = _d[0], eventfunc = _d[1];
+                this.node.removeEventListener(eventkind, eventfunc);
+            }
+        }
+        catch (e_2_1) { e_2 = { error: e_2_1 }; }
+        finally {
+            try {
+                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+            }
+            finally { if (e_2) throw e_2.error; }
+        }
+    };
+    AbstractExplorer.prototype.Update = function (force) {
+        if (force === void 0) { force = false; }
+    };
+    AbstractExplorer.prototype.getHighlighter = function () {
+        var opts = this.document.options.a11y;
+        var foreground = { color: opts.foregroundColor.toLowerCase(),
+            alpha: opts.foregroundOpacity / 100 };
+        var background = { color: opts.backgroundColor.toLowerCase(),
+            alpha: opts.backgroundOpacity / 100 };
+        return sre_js_1.default.getHighlighter(background, foreground, { renderer: this.document.outputJax.name, browser: 'v3' });
+    };
+    AbstractExplorer.prototype.stopEvent = function (event) {
+        if (this.stoppable) {
+            AbstractExplorer.stopEvent(event);
+        }
+    };
+    return AbstractExplorer;
+}());
+exports.AbstractExplorer = AbstractExplorer;
+//# sourceMappingURL=Explorer.js.map