main funcions fixes

desktop-operator/node_modules/builder-util-runtime/out/MemoLazy.js

@@ -0,0 +1,42 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MemoLazy = void 0;
+class MemoLazy {
+    constructor(selector, creator) {
+        this.selector = selector;
+        this.creator = creator;
+        this.selected = undefined;
+        this._value = undefined;
+    }
+    get hasValue() {
+        return this._value !== undefined;
+    }
+    get value() {
+        const selected = this.selector();
+        if (this._value !== undefined && equals(this.selected, selected)) {
+            // value exists and selected hasn't changed, so return the cached value
+            return this._value;
+        }
+        this.selected = selected;
+        const result = this.creator(selected);
+        this.value = result;
+        return result;
+    }
+    set value(value) {
+        this._value = value;
+    }
+}
+exports.MemoLazy = MemoLazy;
+function equals(firstValue, secondValue) {
+    const isFirstObject = typeof firstValue === "object" && firstValue !== null;
+    const isSecondObject = typeof secondValue === "object" && secondValue !== null;
+    // do a shallow comparison of objects, arrays etc.
+    if (isFirstObject && isSecondObject) {
+        const keys1 = Object.keys(firstValue);
+        const keys2 = Object.keys(secondValue);
+        return keys1.length === keys2.length && keys1.every((key) => equals(firstValue[key], secondValue[key]));
+    }
+    // otherwise just compare the values directly
+    return firstValue === secondValue;
+}
+//# sourceMappingURL=MemoLazy.js.map