Update dependencies.

Standardize dependencies - related d3/d3#3337.
Adopt explicit files for publishing - related d3/d3#3335.
Adopt exact paths for imports - related d3/d3#3265.

README.md

@@ -186,7 +186,7 @@ If *delta* is specified, sets the wheel delta function to the specified function
 
 ```js
 function wheelDelta() {
-  return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1) / 500;
+  return -d3.event.deltaY * (d3.event.deltaMode === 1 ? 0.05 : d3.event.deltaMode ? 1 : 0.002);
 }
 ```
 

package.json

@@ -23,6 +23,10 @@
     "type": "git",
     "url": "https://github.com/d3/d3-zoom.git"
   },
+  "files": [
+    "dist/**/*.js",
+    "src/**/*.js"
+  ],
   "scripts": {
     "pretest": "rollup -c",
     "test": "tape 'test/**/*-test.js' && eslint src",
@@ -37,9 +41,9 @@
     "d3-transition": "1"
   },
   "devDependencies": {
-    "eslint": "5",
-    "rollup": "0.64",
-    "rollup-plugin-terser": "1",
+    "eslint": "6",
+    "rollup": "1",
+    "rollup-plugin-terser": "5",
     "tape": "4"
   }
 }

src/index.js

@@ -1,2 +1,2 @@
-export {default as zoom} from "./zoom";
-export {default as zoomTransform, identity as zoomIdentity} from "./transform";
+export {default as zoom} from "./zoom.js";
+export {default as zoomTransform, identity as zoomIdentity} from "./transform.js";

src/zoom.js

@@ -3,10 +3,10 @@ import {dragDisable, dragEnable} from "d3-drag";
 import {interpolateZoom} from "d3-interpolate";
 import {event, customEvent, select, mouse, touch} from "d3-selection";
 import {interrupt} from "d3-transition";
-import constant from "./constant";
-import ZoomEvent from "./event";
-import {Transform, identity} from "./transform";
-import noevent, {nopropagation} from "./noevent";
+import constant from "./constant.js";
+import ZoomEvent from "./event.js";
+import {Transform, identity} from "./transform.js";
+import noevent, {nopropagation} from "./noevent.js";
 
 // Ignore right-click, since that should open the context menu.
 function defaultFilter() {