refactor start

home/ags/node_modules/eslint-plugin-n/lib/util/merge-visitors-in-place.js

@@ -1,46 +0,0 @@
-/**
- * @author Toru Nagashima <https://github.com/mysticatea>
- * See LICENSE file in root directory for full license.
- */
-"use strict"
-
-/**
- * Merge two visitors.
- * This function modifies `visitor1` directly to merge.
- * @param {Visitor} visitor1 The visitor which is assigned.
- * @param {Visitor} visitor2 The visitor which is assigning.
- * @returns {Visitor} `visitor1`.
- */
-module.exports = function mergeVisitorsInPlace(visitor1, visitor2) {
-    for (const key of Object.keys(visitor2)) {
-        const handler1 = visitor1[key]
-        const handler2 = visitor2[key]
-
-        if (typeof handler1 === "function") {
-            if (handler1._handlers) {
-                handler1._handlers.push(handler2)
-            } else {
-                const handlers = [handler1, handler2]
-                visitor1[key] = Object.assign(dispatch.bind(null, handlers), {
-                    _handlers: handlers,
-                })
-            }
-        } else {
-            visitor1[key] = handler2
-        }
-    }
-
-    return visitor1
-}
-
-/**
- * Dispatch all given functions with a node.
- * @param {function[]} handlers The function list to call.
- * @param {Node} node The AST node to be handled.
- * @returns {void}
- */
-function dispatch(handlers, node) {
-    for (const h of handlers) {
-        h(node)
-    }
-}