store stylization functions in state

Author: rwe

lib/index.js

@@ -23,6 +23,8 @@
  *   Info passed around.
  * @property {boolean} showPositions
  *   Whether to include positional information.
+ * @property {Style} style
+ *   Rendering stylization.
  */
 
 import {color} from 'unist-util-inspect/do-not-use-conditional-color'
@@ -42,16 +44,6 @@ export const inspect = color ? inspectColor : inspectNoColor
 
 const own = {}.hasOwnProperty
 
-/**
- * @type Style
- */
-const style = {
-  bold: ansiColor(1, 22),
-  dim: ansiColor(2, 22),
-  yellow: ansiColor(33, 39),
-  green: ansiColor(32, 39)
-}
-
 // ANSI color regex.
 /* eslint-disable no-control-regex */
 const colorExpression =
@@ -85,6 +77,12 @@ export function inspectNoColor(tree, options) {
 export function inspectColor(tree, options) {
   /** @type {State} */
   const state = {
+    style: {
+      bold: ansiColor(1, 22),
+      dim: ansiColor(2, 22),
+      yellow: ansiColor(33, 39),
+      green: ansiColor(32, 39)
+    },
     showPositions:
       !options ||
       options.showPositions === null ||
@@ -141,6 +139,7 @@ function inspectNonTree(value) {
  *   Formatted nodes.
  */
 function inspectNodes(nodes, state) {
+  const style = state.style
   const size = String(nodes.length - 1).length
   /** @type {Array<string>} */
   const result = []
@@ -178,6 +177,8 @@ function inspectNodes(nodes, state) {
  */
 // eslint-disable-next-line complexity
 function inspectFields(object, state) {
+  const style = state.style
+
   /** @type {Array<string>} */
   const result = []
   /** @type {string} */
@@ -273,6 +274,7 @@ function inspectTree(node, state) {
  *   Formatted node.
  */
 function formatNode(node, state) {
+  const style = state.style
   const result = [style.bold(node.type)]
   // Cast as record to allow indexing.
   const map = /** @type {Record<string, unknown>} */ (