Revert "[CHORE] Update build dependencies to latest major versions"

Revert accidental push to default branch
This reverts commit 68118ec.

Author: draco2003

.babelrc

@@ -1,34 +1,4 @@
 {
-  "presets": [
-    "@babel/preset-env",
-    "@babel/preset-flow"
-  ],
-  "plugins": [
-    "@babel/plugin-transform-flow-strip-types",
-    "@babel/plugin-syntax-dynamic-import",
-    "@babel/plugin-syntax-import-meta",
-    "@babel/plugin-proposal-class-properties",
-    "@babel/plugin-proposal-json-strings",
-    [
-      "@babel/plugin-proposal-decorators",
-      {
-        "legacy": true
-      }
-    ],
-    "@babel/plugin-proposal-function-sent",
-    "@babel/plugin-proposal-export-namespace-from",
-    "@babel/plugin-proposal-numeric-separator",
-    "@babel/plugin-proposal-throw-expressions",
-    "@babel/plugin-proposal-export-default-from",
-    "@babel/plugin-proposal-logical-assignment-operators",
-    "@babel/plugin-proposal-optional-chaining",
-    [
-      "@babel/plugin-proposal-pipeline-operator",
-      {
-        "proposal": "minimal"
-      }
-    ],
-    "@babel/plugin-proposal-nullish-coalescing-operator",
-    "@babel/plugin-proposal-do-expressions"
-  ]
+  "presets": ["es2015", "stage-1"],
+  "plugins": ["transform-flow-strip-types"]
 }

.eslintrc

@@ -1,6 +1,6 @@
 {
   "extends": "eslint:recommended",
-  "parser": "@babel/eslint-parser",
+  "parser": "babel-eslint",
   "env": {
     "node": true,
     "es6": true,

package.json

@@ -29,33 +29,17 @@
     "chalk": "4.1.2"
   },
   "devDependencies": {
-    "@babel/cli": "^7.0.0",
-    "@babel/core": "^7.0.0",
-    "@babel/eslint-parser": "^7.19.1",
-    "@babel/plugin-proposal-class-properties": "^7.0.0",
-    "@babel/plugin-proposal-decorators": "^7.0.0",
-    "@babel/plugin-proposal-do-expressions": "^7.0.0",
-    "@babel/plugin-proposal-export-default-from": "^7.0.0",
-    "@babel/plugin-proposal-export-namespace-from": "^7.0.0",
-    "@babel/plugin-proposal-function-sent": "^7.0.0",
-    "@babel/plugin-proposal-json-strings": "^7.0.0",
-    "@babel/plugin-proposal-logical-assignment-operators": "^7.0.0",
-    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.0.0",
-    "@babel/plugin-proposal-numeric-separator": "^7.0.0",
-    "@babel/plugin-proposal-optional-chaining": "^7.0.0",
-    "@babel/plugin-proposal-pipeline-operator": "^7.0.0",
-    "@babel/plugin-proposal-throw-expressions": "^7.0.0",
-    "@babel/plugin-syntax-dynamic-import": "^7.0.0",
-    "@babel/plugin-syntax-import-meta": "^7.0.0",
-    "@babel/plugin-transform-flow-strip-types": "^7.0.0",
-    "@babel/preset-env": "^7.0.0",
-    "@babel/preset-flow": "^7.0.0",
-    "babel-core": "^7.0.0-bridge.0",
-    "babel-jest": "29.2.1",
-    "eslint": "^8.25.0",
+    "babel-cli": "6.26.0",
+    "babel-core": "6.26.3",
+    "babel-eslint": "8.2.3",
+    "babel-jest": "23.6.0",
+    "babel-plugin-transform-flow-strip-types": "6.22.0",
+    "babel-preset-es2015": "6.24.1",
+    "babel-preset-stage-1": "6.24.1",
+    "eslint": "4.19.1",
     "flow-bin": "0.66.0",
-    "flow-copy-source": "2.0.9",
-    "jest": "29.2.1",
+    "flow-copy-source": "2.0.2",
+    "jest": "23.6.0",
     "markdownlint-cli": "^0.31.1",
     "prettier": "2.7.1",
     "rimraf": "3.0.2"
@@ -64,9 +48,7 @@
     "collectCoverage": true,
     "coverageDirectory": "./coverage/",
     "testRegex": "__tests__[\\/].+(spec)\\.js$",
-    "testEnvironmentOptions": {
-      "url": "http://localhost/"
-    },
+    "testURL": "http://localhost/",
     "testPathIgnorePatterns": [
       "/node_modules/",
       "/dist/"