first commit

.obsidian/plugins/marp-slides/lib3/markdown-it/@kazumatu981/markdown-it-kroki/lib/safe-property.js

@@ -0,0 +1,15 @@
+'use strict';
+
+function safeProperty(test, name, type, defaultValue) {
+    if (test == null || test == undefined) return defaultValue;
+    if (typeof test[name] !== type) return defaultValue;
+    if (typeof test[name] === "string" && test[name] === '') return defaultValue;
+    return test[name];
+}
+
+function safeChoice(test, candidates, defaultValue) {
+    return candidates.includes(test) ?
+        test : defaultValue;
+}
+
+module.exports = { safeProperty, safeChoice };