update dependencies

Author: mbostock

package.json

@@ -30,11 +30,11 @@
     "d3-require": "^1.2.4"
   },
   "devDependencies": {
-    "eslint": "^6.7.2",
-    "husky": "^3.1.0",
-    "rollup": "^1.27.8",
-    "rollup-plugin-node-resolve": "^5.0.0",
-    "rollup-plugin-terser": "^5.2.0",
-    "tap": "^14.10.2"
+    "eslint": "^7.18.0",
+    "husky": "^4.3.8",
+    "rollup": "^2.37.1",
+    "rollup-plugin-node-resolve": "^5.2.0",
+    "rollup-plugin-terser": "^7.0.2",
+    "tap": "^14.11.0"
   }
 }

src/mutable.js

@@ -4,7 +4,7 @@ export default function Mutable(value) {
   let change;
   Object.defineProperties(this, {
     generator: {value: observe(_ => void (change = _))},
-    value: {get: () => value, set: x => change(value = x)}
+    value: {get: () => value, set: x => change(value = x)} // eslint-disable-line no-setter-return
   });
   if (value !== undefined) change(value);
 }