add initial marp implementation with sample content and build configuration

node_modules/speech-rule-engine/mjs/common/browser_util.js

@@ -0,0 +1,60 @@
+import { SystemExternal } from './system_external.js';
+import { xpath } from './xpath_util.js';
+export function detectIE() {
+    const isIE = typeof window !== 'undefined' &&
+        'ActiveXObject' in window &&
+        'clipboardData' in window;
+    if (!isIE) {
+        return false;
+    }
+    loadMapsForIE();
+    loadWGXpath();
+    return true;
+}
+export function detectEdge() {
+    var _a;
+    const isEdge = typeof window !== 'undefined' &&
+        'MSGestureEvent' in window &&
+        ((_a = window.chrome) === null || _a === void 0 ? void 0 : _a.loadTimes) === null;
+    if (!isEdge) {
+        return false;
+    }
+    document.evaluate = null;
+    loadWGXpath(true);
+    return true;
+}
+export const mapsForIE = null;
+function loadWGXpath(opt_isEdge) {
+    loadScript(SystemExternal.WGXpath);
+    installWGXpath(opt_isEdge);
+}
+function installWGXpath(opt_isEdge, opt_count) {
+    let count = opt_count || 1;
+    if (typeof wgxpath === 'undefined' && count < 10) {
+        setTimeout(function () {
+            installWGXpath(opt_isEdge, count++);
+        }, 200);
+        return;
+    }
+    if (count >= 10) {
+        return;
+    }
+    SystemExternal.wgxpath = wgxpath;
+    opt_isEdge
+        ? SystemExternal.wgxpath.install({ document: document })
+        : SystemExternal.wgxpath.install();
+    xpath.evaluate = document.evaluate;
+    xpath.result = XPathResult;
+    xpath.createNSResolver = document.createNSResolver;
+}
+function loadMapsForIE() {
+    loadScript(SystemExternal.mathmapsIePath);
+}
+function loadScript(src) {
+    const scr = SystemExternal.document.createElement('script');
+    scr.type = 'text/javascript';
+    scr.src = src;
+    SystemExternal.document.head
+        ? SystemExternal.document.head.appendChild(scr)
+        : SystemExternal.document.body.appendChild(scr);
+}