add missing src2/kiri

src2/kiri/alerts.js

@@ -0,0 +1,75 @@
+/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
+
+import { api } from './api.js';
+
+let alerts = [];
+
+function show(message, time) {
+    if (message === undefined || message === null) {
+        return update(true);
+    }
+    let rec = [message, Date.now(), time, true];
+    if (api.feature.alert_event) {
+        api.event.emit('alert', rec);
+    } else {
+        alerts.push(rec);
+        setTimeout( update, time+0.02);
+        update();
+    }
+    return rec;
+}
+
+function hide(rec, recs) {
+    if (Array.isArray(recs)) {
+        for (let r of recs) {
+            hide(r);
+        }
+        return;
+    }
+    if (api.feature.alert_event) {
+        api.event.emit('alert.cancel', rec);
+        return;
+    }
+    if (Array.isArray(rec)) {
+        rec[3] = false;
+        update();
+    }
+}
+
+function update(clear) {
+    if (clear) {
+        alerts = [];
+    }
+    const now = Date.now();
+    const { ui } = api;
+    // filter out by age and active flag
+    alerts = alerts.filter(alert => {
+        return alert[3] && (now - alert[1]) < ((alert[2] || 5) * 1000);
+    });
+    // limit to 5 showing
+    while (alerts.length > 5) {
+        alerts.shift();
+    }
+    // return if called before UI configured
+    if (!ui.alert) {
+        return;
+    }
+    if (alerts.length > 0) {
+        ui.alert.text.innerHTML = alerts.map(v => ['<p>',v[0],'</p>'].join('')).join('');
+        ui.alert.dialog.style.display = 'flex';
+    } else {
+        ui.alert.dialog.style.display = 'none';
+    }
+}
+
+export {
+    hide,
+    show,
+    update
+};
+
+export default {
+    hide,
+    show,
+    update
+};