Remove schema-utils dependency (vercel#6413)

Author: timneutkens

packages/next/build/webpack/plugins/terser-webpack-plugin/src/index.js

@@ -8,19 +8,14 @@ import { SourceMapConsumer } from 'source-map';
 import { SourceMapSource, RawSource, ConcatSource } from 'webpack-sources';
 import RequestShortener from 'webpack/lib/RequestShortener';
 import ModuleFilenameHelpers from 'webpack/lib/ModuleFilenameHelpers';
-// import validateOptions from 'schema-utils';
 import serialize from 'serialize-javascript';
 import terserPackageJson from 'terser/package.json';
-
-import schema from './options.json';
 import TaskRunner from './TaskRunner';
 
 const warningRegex = /\[.+:([0-9]+),([0-9]+)\]/;
 
 class TerserPlugin {
   constructor(options = {}) {
-    // validateOptions(schema, options, 'Terser Plugin');
-
     const {
       minify,
       terserOptions = {},

packages/next/package.json

@@ -79,7 +79,6 @@
     "react-is": "16.6.3",
     "recursive-copy": "2.0.6",
     "resolve": "1.5.0",
-    "schema-utils": "1.0.0",
     "serialize-javascript": "1.4.0",
     "source-map": "0.6.1",
     "strip-ansi": "3.0.1",

yarn.lock

@@ -10671,15 +10671,6 @@ scheduler@^0.13.0:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
 
-schema-utils@1.0.0, schema-utils@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-1.0.0.tgz#0b79a93204d7b600d4b2850d1f66c2a34951c770"
-  integrity sha512-i27Mic4KovM/lnGsy8whRCHhc7VicJajAjTrYg11K9zfZXnYIt4k5F+kZkwjnrhKzLic/HLU4j11mjsz2G/75g==
-  dependencies:
-    ajv "^6.1.0"
-    ajv-errors "^1.0.0"
-    ajv-keywords "^3.1.0"
-
 schema-utils@^0.4.4:
   version "0.4.7"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"
@@ -10688,6 +10679,15 @@ schema-utils@^0.4.4:
     ajv "^6.1.0"
     ajv-keywords "^3.1.0"
 
+schema-utils@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-1.0.0.tgz#0b79a93204d7b600d4b2850d1f66c2a34951c770"
+  integrity sha512-i27Mic4KovM/lnGsy8whRCHhc7VicJajAjTrYg11K9zfZXnYIt4k5F+kZkwjnrhKzLic/HLU4j11mjsz2G/75g==
+  dependencies:
+    ajv "^6.1.0"
+    ajv-errors "^1.0.0"
+    ajv-keywords "^3.1.0"
+
 scss-tokenizer@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz#8eb06db9a9723333824d3f5530641149847ce5d1"