housekeeping: @kyleshockey/js-yaml -> js-yaml (via #5511)

* `@kyleshockey/js-yaml` -> `js-yaml`

* externalize `esprima`

package.json

@@ -49,7 +49,6 @@
   "dependencies": {
     "@babel/runtime-corejs2": "^7.5.5",
     "@braintree/sanitize-url": "^2.0.2",
-    "@kyleshockey/js-yaml": "^1.0.1",
     "@kyleshockey/object-assign-deep": "^0.4.2",
     "@kyleshockey/xml": "^1.0.2",
     "base64-js": "^1.2.0",
@@ -61,6 +60,7 @@
     "ieee754": "^1.1.8",
     "immutable": "^3.x.x",
     "js-file-download": "^0.4.1",
+    "js-yaml": "^3.13.1",
     "lodash": "^4.17.14",
     "memoizee": "^0.4.12",
     "prop-types": "^15.5.10",

src/core/plugins/configs/helpers.js

@@ -1,4 +1,4 @@
-import YAML from "@kyleshockey/js-yaml"
+import YAML from "js-yaml"
 
 export const parseYamlConfig = (yaml, system) => {
   try {

src/core/plugins/spec/actions.js

@@ -1,4 +1,4 @@
-import YAML from "@kyleshockey/js-yaml"
+import YAML from "js-yaml"
 import { Map } from "immutable"
 import parseUrl from "url-parse"
 import serializeError from "serialize-error"

webpack/_config-builder.js

@@ -96,6 +96,7 @@ export default function buildConfig(
         ? {
             // json-react-schema/deeper depends on buffertools, which fails.
             buffertools: true,
+            esprima: true,
           }
         : (context, request, cb) => {
             // webpack injects some stuff into the resulting file,
@@ -114,9 +115,6 @@ export default function buildConfig(
       resolve: {
         modules: [path.join(projectBasePath, "./src"), "node_modules"],
         extensions: [".web.js", ".js", ".jsx", ".json", ".less"],
-        alias: {
-          "js-yaml": "@kyleshockey/js-yaml", // TODO: fix??
-        },
       },
 
       // If we're mangling, size is a concern -- so use trace-only sourcemaps