From 511f67bcb42b59c9a3a3efab8fed578db100afe1 Mon Sep 17 00:00:00 2001
From: cjihrig <cjihrig@gmail.com>
Date: Fri, 25 Oct 2019 12:48:14 -0700
Subject: tools: update ESLint to 6.6.0

Update ESLint to 6.6.0

PR-URL: https://github.com/nodejs/node/pull/30123
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
---
 .../eslint/node_modules/onetime/index.js           | 41 ++++++++++++++--------
 1 file changed, 26 insertions(+), 15 deletions(-)

(limited to 'tools/node_modules/eslint/node_modules/onetime/index.js')

diff --git a/tools/node_modules/eslint/node_modules/onetime/index.js b/tools/node_modules/eslint/node_modules/onetime/index.js
index 0d76476b0b..a3f412af1b 100644
--- a/tools/node_modules/eslint/node_modules/onetime/index.js
+++ b/tools/node_modules/eslint/node_modules/onetime/index.js
@@ -1,39 +1,50 @@
 'use strict';
 const mimicFn = require('mimic-fn');
 
-module.exports = (fn, opts) => {
-	// TODO: Remove this in v3
-	if (opts === true) {
-		throw new TypeError('The second argument is now an options object');
-	}
+const calledFunctions = new WeakMap();
 
+const oneTime = (fn, options = {}) => {
 	if (typeof fn !== 'function') {
 		throw new TypeError('Expected a function');
 	}
 
-	opts = opts || {};
-
 	let ret;
-	let called = false;
-	const fnName = fn.displayName || fn.name || '<anonymous>';
+	let isCalled = false;
+	let callCount = 0;
+	const functionName = fn.displayName || fn.name || '<anonymous>';
 
-	const onetime = function () {
-		if (called) {
-			if (opts.throw === true) {
-				throw new Error(`Function \`${fnName}\` can only be called once`);
+	const onetime = function (...args) {
+		calledFunctions.set(onetime, ++callCount);
+
+		if (isCalled) {
+			if (options.throw === true) {
+				throw new Error(`Function \`${functionName}\` can only be called once`);
 			}
 
 			return ret;
 		}
 
-		called = true;
-		ret = fn.apply(this, arguments);
+		isCalled = true;
+		ret = fn.apply(this, args);
 		fn = null;
 
 		return ret;
 	};
 
 	mimicFn(onetime, fn);
+	calledFunctions.set(onetime, callCount);
 
 	return onetime;
 };
+
+module.exports = oneTime;
+// TODO: Remove this for the next major release
+module.exports.default = oneTime;
+
+module.exports.callCount = fn => {
+	if (!calledFunctions.has(fn)) {
+		throw new Error(`The given function \`${fn.name}\` is not wrapped by the \`onetime\` package`);
+	}
+
+	return calledFunctions.get(fn);
+};
-- 
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