From 0018b9564f3a9b2918c3438f893257f66ee2caa2 Mon Sep 17 00:00:00 2001
From: Ward Peeters <ward@coding-tech.com>
Date: Mon, 16 Mar 2020 11:30:27 +0100
Subject: [PATCH] Revert "fix(gatsby-plugin-typescript): Broader webpack
 support (#22003)"

This reverts commit 4b9382663771b8e9bbe7e84179547ff369832212.
---
 .../src/__tests__/gatsby-node.js              | 43 -------------------
 .../src/gatsby-node.js                        |  6 +--
 2 files changed, 1 insertion(+), 48 deletions(-)

diff --git a/packages/gatsby-plugin-typescript/src/__tests__/gatsby-node.js b/packages/gatsby-plugin-typescript/src/__tests__/gatsby-node.js
index 4f31701a182ac..af2fa62a1dee5 100644
--- a/packages/gatsby-plugin-typescript/src/__tests__/gatsby-node.js
+++ b/packages/gatsby-plugin-typescript/src/__tests__/gatsby-node.js
@@ -89,49 +89,6 @@ describe(`gatsby-plugin-typescript`, () => {
       })
     })
 
-    it(`sets the correct webpack config with rule.loader shortcut`, () => {
-      const actions = { setWebpackConfig: jest.fn() }
-      const jsLoader = {}
-      const loaders = { js: jest.fn(() => jsLoader) }
-      const stage = `develop`
-      const webpackConfig = {
-        module: {
-          rules: [
-            {
-              enforce: `pre`,
-              test: /\.jsx?$/,
-              exclude: /(node_modules|bower_components)/,
-              loader: `eslint-loader`,
-            },
-          ],
-        },
-      }
-      const getConfig = jest.fn(() => webpackConfig)
-      onCreateWebpackConfig({ actions, getConfig, loaders, stage })
-      expect(actions.setWebpackConfig).toHaveBeenCalledWith({
-        module: {
-          rules: [
-            {
-              test: /\.tsx?$/,
-              use: jsLoader,
-            },
-          ],
-        },
-      })
-      expect(actions.setWebpackConfig).toHaveBeenCalledWith({
-        module: {
-          rules: [
-            {
-              enforce: `pre`,
-              test: /\.tsx?$/,
-              exclude: /(node_modules|bower_components)/,
-              loader: `eslint-loader`,
-            },
-          ],
-        },
-      })
-    })
-
     it(`does not set the webpack config if there isn't a js loader`, () => {
       const actions = { setWebpackConfig: jest.fn() }
       const loaders = { js: jest.fn() }
diff --git a/packages/gatsby-plugin-typescript/src/gatsby-node.js b/packages/gatsby-plugin-typescript/src/gatsby-node.js
index 4704be8de533d..fb6330cf935f0 100644
--- a/packages/gatsby-plugin-typescript/src/gatsby-node.js
+++ b/packages/gatsby-plugin-typescript/src/gatsby-node.js
@@ -53,11 +53,7 @@ function onCreateWebpackConfig({
     if (isTypescriptDepAvailable) {
       const builtInEslintRule = getConfig().module.rules.find(rule => {
         if (rule.enforce === `pre`) {
-          if (rule.use) {
-            return rule.use.some(use => /eslint-loader/.test(use.loader))
-          } else {
-            return /eslint-loader/.test(rule.loader)
-          }
+          return rule.use.some(use => /eslint-loader/.test(use.loader))
         }
         return false
       })