initial update

node_modules/optimism/lib/dep.js

@@ -0,0 +1,40 @@
+import { parentEntrySlot } from "./context.js";
+import { hasOwnProperty, maybeUnsubscribe, arrayFromSet, } from "./helpers.js";
+const EntryMethods = {
+    setDirty: true,
+    dispose: true,
+    forget: true, // Fully remove parent Entry from LRU cache and computation graph
+};
+export function dep(options) {
+    const depsByKey = new Map();
+    const subscribe = options && options.subscribe;
+    function depend(key) {
+        const parent = parentEntrySlot.getValue();
+        if (parent) {
+            let dep = depsByKey.get(key);
+            if (!dep) {
+                depsByKey.set(key, dep = new Set);
+            }
+            parent.dependOn(dep);
+            if (typeof subscribe === "function") {
+                maybeUnsubscribe(dep);
+                dep.unsubscribe = subscribe(key);
+            }
+        }
+    }
+    depend.dirty = function dirty(key, entryMethodName) {
+        const dep = depsByKey.get(key);
+        if (dep) {
+            const m = (entryMethodName &&
+                hasOwnProperty.call(EntryMethods, entryMethodName)) ? entryMethodName : "setDirty";
+            // We have to use arrayFromSet(dep).forEach instead of dep.forEach,
+            // because modifying a Set while iterating over it can cause elements in
+            // the Set to be removed from the Set before they've been iterated over.
+            arrayFromSet(dep).forEach(entry => entry[m]());
+            depsByKey.delete(key);
+            maybeUnsubscribe(dep);
+        }
+    };
+    return depend;
+}
+//# sourceMappingURL=dep.js.map