remove unused root

Author: mbostock

src/javascript.ts

@@ -55,7 +55,7 @@ export interface ParseOptions {
 }
 
 export function transpileJavaScript(input: string, options: ParseOptions): Transpile {
-  const {id, root, sourcePath, verbose = true} = options;
+  const {id, sourcePath, verbose = true} = options;
   try {
     const node = parseJavaScript(input, options);
     const databases = node.features
@@ -72,8 +72,8 @@ export function transpileJavaScript(input: string, options: ParseOptions): Trans
       output.insertRight(input.length, "\n))");
       inputs.push("display");
     }
-    rewriteImports(output, node, root, sourcePath);
-    rewriteFetches(output, node, root, sourcePath);
+    rewriteImports(output, node, sourcePath);
+    rewriteFetches(output, node, sourcePath);
     return {
       id,
       ...(inputs.length ? {inputs} : null),

src/javascript/fetches.ts

@@ -1,7 +1,7 @@
 import {simple} from "acorn-walk";
 import {isLocalFetch} from "./features.js";
 
-export function rewriteFetches(output, rootNode, root, sourcePath) {
+export function rewriteFetches(output, rootNode, sourcePath) {
   simple(rootNode.body, {
     CallExpression(node) {
       if (isLocalFetch(node, rootNode.references, sourcePath)) {

src/javascript/imports.ts

@@ -76,7 +76,7 @@ export function findImports(body: Node, root: string, sourcePath: string) {
 }
 
 // TODO parallelize multiple static imports
-export function rewriteImports(output: any, rootNode: JavaScriptNode, root: string, sourcePath: string) {
+export function rewriteImports(output: any, rootNode: JavaScriptNode, sourcePath: string) {
   simple(rootNode.body, {
     ImportExpression(node) {
       if (isStringLiteral(node.source)) {