diff --git a/packages/docusaurus-plugin-client-redirects/package.json b/packages/docusaurus-plugin-client-redirects/package.json
index 8f2e1added41..47811a1d48e5 100644
--- a/packages/docusaurus-plugin-client-redirects/package.json
+++ b/packages/docusaurus-plugin-client-redirects/package.json
@@ -20,8 +20,7 @@
     "eta": "^1.1.1",
     "fs-extra": "^8.1.0",
     "globby": "^10.0.1",
-    "lodash": "^4.17.15",
-    "yup": "^0.29.0"
+    "lodash": "^4.17.15"
   },
   "peerDependencies": {
     "@docusaurus/core": "^2.0.0",
@@ -30,8 +29,5 @@
   },
   "engines": {
     "node": ">=10.9.0"
-  },
-  "devDependencies": {
-    "@types/yup": "^0.29.0"
   }
 }
diff --git a/packages/docusaurus-plugin-content-blog/src/__tests__/__snapshots__/validation.test.ts.snap b/packages/docusaurus-plugin-content-blog/src/__tests__/__snapshots__/pluginOptionSchema.test.ts.snap
similarity index 100%
rename from packages/docusaurus-plugin-content-blog/src/__tests__/__snapshots__/validation.test.ts.snap
rename to packages/docusaurus-plugin-content-blog/src/__tests__/__snapshots__/pluginOptionSchema.test.ts.snap
diff --git a/packages/docusaurus-plugin-content-blog/src/__tests__/index.test.ts b/packages/docusaurus-plugin-content-blog/src/__tests__/index.test.ts
index 98e5dfb67c42..0bc9715fa076 100644
--- a/packages/docusaurus-plugin-content-blog/src/__tests__/index.test.ts
+++ b/packages/docusaurus-plugin-content-blog/src/__tests__/index.test.ts
@@ -9,7 +9,7 @@ import fs from 'fs-extra';
 import path from 'path';
 import pluginContentBlog from '../index';
 import {DocusaurusConfig, LoadContext} from '@docusaurus/types';
-import {PluginOptionSchema} from '../validation';
+import {PluginOptionSchema} from '../pluginOptionSchema';
 
 function validateAndNormalize(schema, options) {
   const {value, error} = schema.validate(options);
diff --git a/packages/docusaurus-plugin-content-blog/src/__tests__/validation.test.ts b/packages/docusaurus-plugin-content-blog/src/__tests__/pluginOptionSchema.test.ts
similarity index 88%
rename from packages/docusaurus-plugin-content-blog/src/__tests__/validation.test.ts
rename to packages/docusaurus-plugin-content-blog/src/__tests__/pluginOptionSchema.test.ts
index 7e3085cdec8a..a7889db6d129 100644
--- a/packages/docusaurus-plugin-content-blog/src/__tests__/validation.test.ts
+++ b/packages/docusaurus-plugin-content-blog/src/__tests__/pluginOptionSchema.test.ts
@@ -5,11 +5,11 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import {PluginOptionSchema, DefaultOptions} from '../validation';
+import {PluginOptionSchema, DEFAULT_OPTIONS} from '../pluginOptionSchema';
 
 test('normalize options', () => {
   const {value} = PluginOptionSchema.validate({});
-  expect(value).toEqual(DefaultOptions);
+  expect(value).toEqual(DEFAULT_OPTIONS);
 });
 
 test('validate options', () => {
@@ -20,7 +20,7 @@ test('validate options', () => {
     routeBasePath: 'not_blog',
   });
   expect(value).toEqual({
-    ...DefaultOptions,
+    ...DEFAULT_OPTIONS,
     postsPerPage: 5,
     include: ['api/*', 'docs/*'],
     routeBasePath: 'not_blog',
@@ -54,7 +54,7 @@ test('convert all feed type to array with other feed type', () => {
     feedOptions: {type: 'all'},
   });
   expect(value).toEqual({
-    ...DefaultOptions,
+    ...DEFAULT_OPTIONS,
     feedOptions: {type: ['rss', 'atom']},
   });
 });
diff --git a/packages/docusaurus-plugin-content-blog/src/index.ts b/packages/docusaurus-plugin-content-blog/src/index.ts
index 96c0a9cb5782..6e9bfe98e6f5 100644
--- a/packages/docusaurus-plugin-content-blog/src/index.ts
+++ b/packages/docusaurus-plugin-content-blog/src/index.ts
@@ -21,7 +21,7 @@ import {
   BlogPaginated,
   BlogPost,
 } from './types';
-import {PluginOptionSchema} from './validation';
+import {PluginOptionSchema} from './pluginOptionSchema';
 import {
   LoadContext,
   PluginContentLoadedActions,
diff --git a/packages/docusaurus-plugin-content-blog/src/validation.ts b/packages/docusaurus-plugin-content-blog/src/pluginOptionSchema.ts
similarity index 63%
rename from packages/docusaurus-plugin-content-blog/src/validation.ts
rename to packages/docusaurus-plugin-content-blog/src/pluginOptionSchema.ts
index 523864a976da..ea11aaa22d94 100644
--- a/packages/docusaurus-plugin-content-blog/src/validation.ts
+++ b/packages/docusaurus-plugin-content-blog/src/pluginOptionSchema.ts
@@ -7,7 +7,7 @@
 
 import * as Joi from '@hapi/joi';
 
-export const DefaultOptions = {
+export const DEFAULT_OPTIONS = {
   feedOptions: {},
   beforeDefaultRehypePlugins: [],
   beforeDefaultRemarkPlugins: [],
@@ -27,22 +27,22 @@ export const DefaultOptions = {
 };
 
 export const PluginOptionSchema = Joi.object({
-  path: Joi.string().default(DefaultOptions.path),
-  routeBasePath: Joi.string().default(DefaultOptions.routeBasePath),
-  include: Joi.array().items(Joi.string()).default(DefaultOptions.include),
+  path: Joi.string().default(DEFAULT_OPTIONS.path),
+  routeBasePath: Joi.string().default(DEFAULT_OPTIONS.routeBasePath),
+  include: Joi.array().items(Joi.string()).default(DEFAULT_OPTIONS.include),
   postsPerPage: Joi.number()
     .integer()
     .min(1)
-    .default(DefaultOptions.postsPerPage),
-  blogListComponent: Joi.string().default(DefaultOptions.blogListComponent),
-  blogPostComponent: Joi.string().default(DefaultOptions.blogPostComponent),
+    .default(DEFAULT_OPTIONS.postsPerPage),
+  blogListComponent: Joi.string().default(DEFAULT_OPTIONS.blogListComponent),
+  blogPostComponent: Joi.string().default(DEFAULT_OPTIONS.blogPostComponent),
   blogTagsListComponent: Joi.string().default(
-    DefaultOptions.blogTagsListComponent,
+    DEFAULT_OPTIONS.blogTagsListComponent,
   ),
   blogTagsPostsComponent: Joi.string().default(
-    DefaultOptions.blogTagsPostsComponent,
+    DEFAULT_OPTIONS.blogTagsPostsComponent,
   ),
-  showReadingTime: Joi.bool().default(DefaultOptions.showReadingTime),
+  showReadingTime: Joi.bool().default(DEFAULT_OPTIONS.showReadingTime),
   remarkPlugins: Joi.array()
     .items(
       Joi.alternatives().try(
@@ -52,19 +52,19 @@ export const PluginOptionSchema = Joi.object({
           .length(2),
       ),
     )
-    .default(DefaultOptions.remarkPlugins),
+    .default(DEFAULT_OPTIONS.remarkPlugins),
   rehypePlugins: Joi.array()
     .items(Joi.string())
-    .default(DefaultOptions.rehypePlugins),
+    .default(DEFAULT_OPTIONS.rehypePlugins),
   editUrl: Joi.string().uri(),
-  truncateMarker: Joi.object().default(DefaultOptions.truncateMarker),
-  admonitions: Joi.object().default(DefaultOptions.admonitions),
+  truncateMarker: Joi.object().default(DEFAULT_OPTIONS.truncateMarker),
+  admonitions: Joi.object().default(DEFAULT_OPTIONS.admonitions),
   beforeDefaultRemarkPlugins: Joi.array()
     .items(Joi.object())
-    .default(DefaultOptions.beforeDefaultRemarkPlugins),
+    .default(DEFAULT_OPTIONS.beforeDefaultRemarkPlugins),
   beforeDefaultRehypePlugins: Joi.array()
     .items(Joi.object())
-    .default(DefaultOptions.beforeDefaultRehypePlugins),
+    .default(DEFAULT_OPTIONS.beforeDefaultRehypePlugins),
   feedOptions: Joi.object({
     type: Joi.alternatives().conditional(
       Joi.string().equal('all', 'rss', 'atom'),
@@ -76,5 +76,5 @@ export const PluginOptionSchema = Joi.object({
     description: Joi.string(),
     copyright: Joi.string(),
     language: Joi.string(),
-  }).default(DefaultOptions.feedOptions),
+  }).default(DEFAULT_OPTIONS.feedOptions),
 });
diff --git a/packages/docusaurus-plugin-content-docs/package.json b/packages/docusaurus-plugin-content-docs/package.json
index cdae0b87f962..131cc9b2379f 100644
--- a/packages/docusaurus-plugin-content-docs/package.json
+++ b/packages/docusaurus-plugin-content-docs/package.json
@@ -13,7 +13,8 @@
   "license": "MIT",
   "devDependencies": {
     "commander": "^5.0.0",
-    "picomatch": "^2.1.1"
+    "picomatch": "^2.1.1",
+    "@types/hapi__joi": "^17.1.2"
   },
   "dependencies": {
     "@docusaurus/mdx-loader": "^2.0.0-alpha.58",
@@ -22,6 +23,7 @@
     "execa": "^3.4.0",
     "fs-extra": "^8.1.0",
     "globby": "^10.0.1",
+    "@hapi/joi": "17.1.1",
     "import-fresh": "^3.2.1",
     "loader-utils": "^1.2.3",
     "lodash.flatmap": "^4.5.0",
diff --git a/packages/docusaurus-plugin-content-docs/src/__tests__/index.test.ts b/packages/docusaurus-plugin-content-docs/src/__tests__/index.test.ts
index 7edfe16efef0..1fd4d6a2be59 100644
--- a/packages/docusaurus-plugin-content-docs/src/__tests__/index.test.ts
+++ b/packages/docusaurus-plugin-content-docs/src/__tests__/index.test.ts
@@ -12,6 +12,7 @@ import commander from 'commander';
 import fs from 'fs-extra';
 import pluginContentDocs from '../index';
 import loadEnv from '../env';
+import normalizePluginOptions from './pluginOptionSchema.test';
 import {loadContext} from '@docusaurus/core/src/server/index';
 import {applyConfigureWebpack} from '@docusaurus/core/src/webpack/utils';
 import {RouteConfig} from '@docusaurus/types';
@@ -42,9 +43,12 @@ test('site with wrong sidebar file', async () => {
   const siteDir = path.join(__dirname, '__fixtures__', 'simple-site');
   const context = loadContext(siteDir);
   const sidebarPath = path.join(siteDir, 'wrong-sidebars.json');
-  const plugin = pluginContentDocs(context, {
-    sidebarPath,
-  });
+  const plugin = pluginContentDocs(
+    context,
+    normalizePluginOptions({
+      sidebarPath,
+    }),
+  );
   await expect(plugin.loadContent()).rejects.toThrowErrorMatchingSnapshot();
 });
 
@@ -54,7 +58,7 @@ describe('empty/no docs website', () => {
 
   test('no files in docs folder', async () => {
     await fs.ensureDir(path.join(siteDir, 'docs'));
-    const plugin = pluginContentDocs(context, {});
+    const plugin = pluginContentDocs(context, normalizePluginOptions({}));
     const content = await plugin.loadContent();
     const {docsMetadata, docsSidebars} = content;
     expect(docsMetadata).toMatchInlineSnapshot(`Object {}`);
@@ -73,7 +77,12 @@ describe('empty/no docs website', () => {
   });
 
   test('docs folder does not exist', async () => {
-    const plugin = pluginContentDocs(context, {path: '/path/does/not/exist/'});
+    const plugin = pluginContentDocs(
+      context,
+      normalizePluginOptions({
+        path: '/path/does/not/exist/',
+      }),
+    );
     const content = await plugin.loadContent();
     expect(content).toBeNull();
   });
@@ -84,11 +93,14 @@ describe('simple website', () => {
   const context = loadContext(siteDir);
   const sidebarPath = path.join(siteDir, 'sidebars.json');
   const pluginPath = 'docs';
-  const plugin = pluginContentDocs(context, {
-    path: pluginPath,
-    sidebarPath,
-    homePageId: 'hello',
-  });
+  const plugin = pluginContentDocs(
+    context,
+    normalizePluginOptions({
+      path: pluginPath,
+      sidebarPath,
+      homePageId: 'hello',
+    }),
+  );
   const pluginContentDir = path.join(context.generatedFilesDir, plugin.name);
 
   test('extendCli - docsVersion', () => {
@@ -215,11 +227,14 @@ describe('versioned website', () => {
   const context = loadContext(siteDir);
   const sidebarPath = path.join(siteDir, 'sidebars.json');
   const routeBasePath = 'docs';
-  const plugin = pluginContentDocs(context, {
-    routeBasePath,
-    sidebarPath,
-    homePageId: 'hello',
-  });
+  const plugin = pluginContentDocs(
+    context,
+    normalizePluginOptions({
+      routeBasePath,
+      sidebarPath,
+      homePageId: 'hello',
+    }),
+  );
   const env = loadEnv(siteDir);
   const {docsDir: versionedDir} = env.versioning;
   const pluginContentDir = path.join(context.generatedFilesDir, plugin.name);
diff --git a/packages/docusaurus-plugin-content-docs/src/__tests__/pluginOptionSchema.test.ts b/packages/docusaurus-plugin-content-docs/src/__tests__/pluginOptionSchema.test.ts
new file mode 100644
index 000000000000..68cafdd88a20
--- /dev/null
+++ b/packages/docusaurus-plugin-content-docs/src/__tests__/pluginOptionSchema.test.ts
@@ -0,0 +1,83 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {PluginOptionSchema, DEFAULT_OPTIONS} from '../pluginOptionSchema';
+
+export default function normalizePluginOptions(options) {
+  const {value, error} = PluginOptionSchema.validate(options, {
+    convert: false,
+  });
+  if (error) {
+    throw error;
+  } else {
+    return value;
+  }
+}
+
+describe('normalizeDocsPluginOptions', () => {
+  test('should return default options for undefined user options', async () => {
+    const {value} = await PluginOptionSchema.validate({});
+    expect(value).toEqual(DEFAULT_OPTIONS);
+  });
+
+  test('should accept correctly defined user options', async () => {
+    const userOptions = {
+      path: 'my-docs', // Path to data on filesystem, relative to site dir.
+      routeBasePath: 'my-docs', // URL Route.
+      homePageId: 'home', // Document id for docs home page.
+      include: ['**/*.{md,mdx}'], // Extensions to include.
+      sidebarPath: 'my-sidebar', // Path to sidebar configuration for showing a list of markdown pages.
+      docLayoutComponent: '@theme/DocPage',
+      docItemComponent: '@theme/DocItem',
+      remarkPlugins: [],
+      rehypePlugins: [],
+      showLastUpdateTime: true,
+      showLastUpdateAuthor: true,
+      admonitions: {},
+      excludeNextVersionDocs: true,
+    };
+
+    const {value} = await PluginOptionSchema.validate(userOptions);
+    expect(value).toEqual(userOptions);
+  });
+
+  test('should reject bad path inputs', () => {
+    expect(() => {
+      normalizePluginOptions({
+        path: 2,
+      });
+    }).toThrowErrorMatchingInlineSnapshot(`"\\"path\\" must be a string"`);
+  });
+
+  test('should reject bad include inputs', () => {
+    expect(() => {
+      normalizePluginOptions({
+        include: '**/*.{md,mdx}',
+      });
+    }).toThrowErrorMatchingInlineSnapshot(`"\\"include\\" must be an array"`);
+  });
+
+  test('should reject bad showLastUpdateTime inputs', () => {
+    expect(() => {
+      normalizePluginOptions({
+        showLastUpdateTime: 'true',
+      });
+    }).toThrowErrorMatchingInlineSnapshot(
+      `"\\"showLastUpdateTime\\" must be a boolean"`,
+    );
+  });
+
+  test('should reject bad remarkPlugins input', () => {
+    expect(() => {
+      normalizePluginOptions({
+        remarkPlugins: 'remark-math',
+      });
+    }).toThrowErrorMatchingInlineSnapshot(
+      `"\\"remarkPlugins\\" must be an array"`,
+    );
+  });
+});
diff --git a/packages/docusaurus-plugin-content-docs/src/__tests__/sidebars.test.ts b/packages/docusaurus-plugin-content-docs/src/__tests__/sidebars.test.ts
index 2ae26ee777f2..1d322bba4463 100644
--- a/packages/docusaurus-plugin-content-docs/src/__tests__/sidebars.test.ts
+++ b/packages/docusaurus-plugin-content-docs/src/__tests__/sidebars.test.ts
@@ -24,7 +24,7 @@ describe('loadSidebars', () => {
     expect(result).toMatchSnapshot();
   });
 
-  test('sidebars shortand and longform lead to exact same sidebar', async () => {
+  test('sidebars shorthand and longform lead to exact same sidebar', async () => {
     const sidebarPath1 = path.join(fixtureDir, 'sidebars-category.js');
     const sidebarPath2 = path.join(
       fixtureDir,
diff --git a/packages/docusaurus-plugin-content-docs/src/index.ts b/packages/docusaurus-plugin-content-docs/src/index.ts
index 473314397f61..e35f3c186613 100644
--- a/packages/docusaurus-plugin-content-docs/src/index.ts
+++ b/packages/docusaurus-plugin-content-docs/src/index.ts
@@ -18,7 +18,13 @@ import {
   objectWithKeySorted,
   aliasedSitePath,
 } from '@docusaurus/utils';
-import {LoadContext, Plugin, RouteConfig} from '@docusaurus/types';
+import {
+  LoadContext,
+  Plugin,
+  RouteConfig,
+  OptionValidationContext,
+  ValidationResult,
+} from '@docusaurus/types';
 
 import createOrder from './order';
 import loadSidebars from './sidebars';
@@ -47,24 +53,8 @@ import {
 import {Configuration} from 'webpack';
 import {docsVersion} from './version';
 import {VERSIONS_JSON_FILE} from './constants';
-
-const REVERSED_DOCS_HOME_PAGE_ID = '_index';
-
-const DEFAULT_OPTIONS: PluginOptions = {
-  path: 'docs', // Path to data on filesystem, relative to site dir.
-  routeBasePath: 'docs', // URL Route.
-  homePageId: REVERSED_DOCS_HOME_PAGE_ID, // Document id for docs home page.
-  include: ['**/*.{md,mdx}'], // Extensions to include.
-  sidebarPath: '', // Path to sidebar configuration for showing a list of markdown pages.
-  docLayoutComponent: '@theme/DocPage',
-  docItemComponent: '@theme/DocItem',
-  remarkPlugins: [],
-  rehypePlugins: [],
-  showLastUpdateTime: false,
-  showLastUpdateAuthor: false,
-  admonitions: {},
-  excludeNextVersionDocs: false,
-};
+import {PluginOptionSchema} from './pluginOptionSchema';
+import {ValidationError} from '@hapi/joi';
 
 function getFirstDocLinkOfSidebar(
   sidebarItems: DocsSidebarItem[],
@@ -84,9 +74,8 @@ function getFirstDocLinkOfSidebar(
 
 export default function pluginContentDocs(
   context: LoadContext,
-  opts: Partial<PluginOptions>,
-): Plugin<LoadedContent | null> {
-  const options: PluginOptions = {...DEFAULT_OPTIONS, ...opts};
+  options: PluginOptions,
+): Plugin<LoadedContent | null, typeof PluginOptionSchema> {
   const homePageDocsRoutePath =
     options.routeBasePath === '' ? '/' : options.routeBasePath;
 
@@ -551,3 +540,14 @@ Available document ids=
     },
   };
 }
+
+export function validateOptions({
+  validate,
+  options,
+}: OptionValidationContext<PluginOptions, ValidationError>): ValidationResult<
+  PluginOptions,
+  ValidationError
+> {
+  const validatedOptions = validate(PluginOptionSchema, options);
+  return validatedOptions;
+}
diff --git a/packages/docusaurus-plugin-content-docs/src/pluginOptionSchema.ts b/packages/docusaurus-plugin-content-docs/src/pluginOptionSchema.ts
new file mode 100644
index 000000000000..95edd762c5df
--- /dev/null
+++ b/packages/docusaurus-plugin-content-docs/src/pluginOptionSchema.ts
@@ -0,0 +1,54 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+import * as Joi from '@hapi/joi';
+import {PluginOptions} from './types';
+
+const REVERSED_DOCS_HOME_PAGE_ID = '_index';
+
+export const DEFAULT_OPTIONS: PluginOptions = {
+  path: 'docs', // Path to data on filesystem, relative to site dir.
+  routeBasePath: 'docs', // URL Route.
+  homePageId: REVERSED_DOCS_HOME_PAGE_ID, // Document id for docs home page.
+  include: ['**/*.{md,mdx}'], // Extensions to include.
+  sidebarPath: '', // Path to sidebar configuration for showing a list of markdown pages.
+  docLayoutComponent: '@theme/DocPage',
+  docItemComponent: '@theme/DocItem',
+  remarkPlugins: [],
+  rehypePlugins: [],
+  showLastUpdateTime: false,
+  showLastUpdateAuthor: false,
+  admonitions: {},
+  excludeNextVersionDocs: false,
+};
+
+export const PluginOptionSchema = Joi.object({
+  path: Joi.string().default(DEFAULT_OPTIONS.path),
+  editUrl: Joi.string().uri(),
+  routeBasePath: Joi.string().default(DEFAULT_OPTIONS.routeBasePath),
+  homePageId: Joi.string().default(DEFAULT_OPTIONS.homePageId),
+  include: Joi.array().items(Joi.string()).default(DEFAULT_OPTIONS.include),
+  sidebarPath: Joi.string().default(DEFAULT_OPTIONS.sidebarPath),
+  docLayoutComponent: Joi.string().default(DEFAULT_OPTIONS.docLayoutComponent),
+  docItemComponent: Joi.string().default(DEFAULT_OPTIONS.docItemComponent),
+  remarkPlugins: Joi.array()
+    .items(
+      Joi.array().items(Joi.function(), Joi.object()).length(2),
+      Joi.function(),
+    )
+    .default(DEFAULT_OPTIONS.remarkPlugins),
+  rehypePlugins: Joi.array()
+    .items(Joi.string())
+    .default(DEFAULT_OPTIONS.rehypePlugins),
+  showLastUpdateTime: Joi.bool().default(DEFAULT_OPTIONS.showLastUpdateTime),
+  showLastUpdateAuthor: Joi.bool().default(
+    DEFAULT_OPTIONS.showLastUpdateAuthor,
+  ),
+  admonitions: Joi.object().default(DEFAULT_OPTIONS.admonitions),
+  excludeNextVersionDocs: Joi.bool().default(
+    DEFAULT_OPTIONS.excludeNextVersionDocs,
+  ),
+});
diff --git a/packages/docusaurus-plugin-content-pages/package.json b/packages/docusaurus-plugin-content-pages/package.json
index 12670bdefb13..13eb71e26f34 100644
--- a/packages/docusaurus-plugin-content-pages/package.json
+++ b/packages/docusaurus-plugin-content-pages/package.json
@@ -11,10 +11,14 @@
     "access": "public"
   },
   "license": "MIT",
+  "devDependencies": {
+    "@types/hapi__joi": "^17.1.2"
+  },
   "dependencies": {
     "@docusaurus/types": "^2.0.0-alpha.58",
     "@docusaurus/utils": "^2.0.0-alpha.58",
-    "globby": "^10.0.1"
+    "globby": "^10.0.1",
+    "@hapi/joi": "17.1.1"
   },
   "peerDependencies": {
     "@docusaurus/core": "^2.0.0",
diff --git a/packages/docusaurus-plugin-content-pages/src/__tests__/index.test.ts b/packages/docusaurus-plugin-content-pages/src/__tests__/index.test.ts
index f79fa915246a..b5d34c9eafb7 100644
--- a/packages/docusaurus-plugin-content-pages/src/__tests__/index.test.ts
+++ b/packages/docusaurus-plugin-content-pages/src/__tests__/index.test.ts
@@ -9,6 +9,7 @@ import path from 'path';
 
 import pluginContentPages from '../index';
 import {LoadContext} from '@docusaurus/types';
+import normalizePluginOptions from './pluginOptionSchema.test';
 
 describe('docusaurus-plugin-content-pages', () => {
   test('simple pages', async () => {
@@ -23,9 +24,12 @@ describe('docusaurus-plugin-content-pages', () => {
       siteConfig,
     } as LoadContext;
     const pluginPath = 'src/pages';
-    const plugin = pluginContentPages(context, {
-      path: pluginPath,
-    });
+    const plugin = pluginContentPages(
+      context,
+      normalizePluginOptions({
+        path: pluginPath,
+      }),
+    );
     const pagesMetadatas = await plugin.loadContent();
 
     expect(pagesMetadatas).toEqual([
diff --git a/packages/docusaurus-plugin-content-pages/src/__tests__/pluginOptionSchema.test.ts b/packages/docusaurus-plugin-content-pages/src/__tests__/pluginOptionSchema.test.ts
new file mode 100644
index 000000000000..b117e6b0571a
--- /dev/null
+++ b/packages/docusaurus-plugin-content-pages/src/__tests__/pluginOptionSchema.test.ts
@@ -0,0 +1,49 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {PluginOptionSchema, DEFAULT_OPTIONS} from '../pluginOptionSchema';
+
+export default function normalizePluginOptions(options) {
+  const {value, error} = PluginOptionSchema.validate(options, {
+    convert: false,
+  });
+  if (error) {
+    throw error;
+  } else {
+    return value;
+  }
+}
+
+describe('normalizePagesPluginOptions', () => {
+  test('should return default options for undefined user options', async () => {
+    const {value} = await PluginOptionSchema.validate({});
+    expect(value).toEqual(DEFAULT_OPTIONS);
+  });
+
+  test('should fill in default options for partially defined user options', async () => {
+    const {value} = await PluginOptionSchema.validate({path: 'src/pages'});
+    expect(value).toEqual(DEFAULT_OPTIONS);
+  });
+
+  test('should accept correctly defined user options', async () => {
+    const userOptions = {
+      path: 'src/my-pages',
+      routeBasePath: 'my-pages',
+      include: ['**/*.{js,jsx,ts,tsx}'],
+    };
+    const {value} = await PluginOptionSchema.validate(userOptions);
+    expect(value).toEqual(userOptions);
+  });
+
+  test('should reject bad path inputs', () => {
+    expect(() => {
+      normalizePluginOptions({
+        path: 42,
+      });
+    }).toThrowErrorMatchingInlineSnapshot(`"\\"path\\" must be a string"`);
+  });
+});
diff --git a/packages/docusaurus-plugin-content-pages/src/index.ts b/packages/docusaurus-plugin-content-pages/src/index.ts
index bf9f974221b7..0efea4c91483 100644
--- a/packages/docusaurus-plugin-content-pages/src/index.ts
+++ b/packages/docusaurus-plugin-content-pages/src/index.ts
@@ -9,21 +9,21 @@ import globby from 'globby';
 import fs from 'fs';
 import path from 'path';
 import {encodePath, fileToPath, aliasedSitePath} from '@docusaurus/utils';
-import {LoadContext, Plugin} from '@docusaurus/types';
+import {
+  LoadContext,
+  Plugin,
+  OptionValidationContext,
+  ValidationResult,
+} from '@docusaurus/types';
 
 import {PluginOptions, LoadedContent} from './types';
-
-const DEFAULT_OPTIONS: PluginOptions = {
-  path: 'src/pages', // Path to data on filesystem, relative to site dir.
-  routeBasePath: '', // URL Route.
-  include: ['**/*.{js,jsx,ts,tsx}'], // Extensions to include.
-};
+import {PluginOptionSchema} from './pluginOptionSchema';
+import {ValidationError} from '@hapi/joi';
 
 export default function pluginContentPages(
   context: LoadContext,
-  opts: Partial<PluginOptions>,
-): Plugin<LoadedContent | null> {
-  const options = {...DEFAULT_OPTIONS, ...opts};
+  options: PluginOptions,
+): Plugin<LoadedContent | null, typeof PluginOptionSchema> {
   const contentPath = path.resolve(context.siteDir, options.path);
 
   return {
@@ -81,3 +81,14 @@ export default function pluginContentPages(
     },
   };
 }
+
+export function validateOptions({
+  validate,
+  options,
+}: OptionValidationContext<PluginOptions, ValidationError>): ValidationResult<
+  PluginOptions,
+  ValidationError
+> {
+  const validatedOptions = validate(PluginOptionSchema, options);
+  return validatedOptions;
+}
diff --git a/packages/docusaurus-plugin-content-pages/src/pluginOptionSchema.ts b/packages/docusaurus-plugin-content-pages/src/pluginOptionSchema.ts
new file mode 100644
index 000000000000..6d20134f00cb
--- /dev/null
+++ b/packages/docusaurus-plugin-content-pages/src/pluginOptionSchema.ts
@@ -0,0 +1,20 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+import * as Joi from '@hapi/joi';
+import {PluginOptions} from './types';
+
+export const DEFAULT_OPTIONS: PluginOptions = {
+  path: 'src/pages', // Path to data on filesystem, relative to site dir.
+  routeBasePath: '', // URL Route.
+  include: ['**/*.{js,jsx,ts,tsx}'], // Extensions to include.
+};
+
+export const PluginOptionSchema = Joi.object({
+  path: Joi.string().default(DEFAULT_OPTIONS.path),
+  routeBasePath: Joi.string().default(DEFAULT_OPTIONS.routeBasePath),
+  include: Joi.array().items(Joi.string()).default(DEFAULT_OPTIONS.include),
+});
diff --git a/packages/docusaurus-plugin-sitemap/package.json b/packages/docusaurus-plugin-sitemap/package.json
index 3f6b938e474c..0515f6fb464e 100644
--- a/packages/docusaurus-plugin-sitemap/package.json
+++ b/packages/docusaurus-plugin-sitemap/package.json
@@ -11,10 +11,14 @@
     "access": "public"
   },
   "license": "MIT",
+  "devDependencies": {
+    "@types/hapi__joi": "^17.1.2"
+  },
   "dependencies": {
     "@docusaurus/types": "^2.0.0-alpha.58",
     "fs-extra": "^8.1.0",
-    "sitemap": "^3.2.2"
+    "sitemap": "^3.2.2",
+    "@hapi/joi": "17.1.1"
   },
   "peerDependencies": {
     "@docusaurus/core": "^2.0.0"
diff --git a/packages/docusaurus-plugin-sitemap/src/__tests__/pluginOptionSchema.test.ts b/packages/docusaurus-plugin-sitemap/src/__tests__/pluginOptionSchema.test.ts
new file mode 100644
index 000000000000..2fac06904827
--- /dev/null
+++ b/packages/docusaurus-plugin-sitemap/src/__tests__/pluginOptionSchema.test.ts
@@ -0,0 +1,64 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {PluginOptionSchema, DEFAULT_OPTIONS} from '../pluginOptionSchema';
+
+function normalizePluginOptions(options) {
+  const {value, error} = PluginOptionSchema.validate(options, {
+    convert: false,
+  });
+  if (error) {
+    throw error;
+  } else {
+    return value;
+  }
+}
+
+describe('normalizeSitemapPluginOptions', () => {
+  test('should return default values for empty user options', async () => {
+    const {value} = await PluginOptionSchema.validate({});
+    expect(value).toEqual(DEFAULT_OPTIONS);
+  });
+
+  test('should accept correctly defined user options', async () => {
+    const userOptions = {
+      cacheTime: 300,
+      changefreq: 'yearly',
+      priority: 0.9,
+    };
+    const {value} = await PluginOptionSchema.validate(userOptions);
+    expect(value).toEqual(userOptions);
+  });
+
+  test('should reject cacheTime inputs with wrong type', () => {
+    expect(() => {
+      normalizePluginOptions({
+        cacheTime: '42',
+      });
+    }).toThrowErrorMatchingInlineSnapshot(`"\\"cacheTime\\" must be a number"`);
+  });
+
+  test('should reject out-of-range priority inputs', () => {
+    expect(() => {
+      normalizePluginOptions({
+        priority: 2,
+      });
+    }).toThrowErrorMatchingInlineSnapshot(
+      `"\\"priority\\" must be less than or equal to 1"`,
+    );
+  });
+
+  test('should reject bad changefreq inputs', () => {
+    expect(() => {
+      normalizePluginOptions({
+        changefreq: 'annually',
+      });
+    }).toThrowErrorMatchingInlineSnapshot(
+      `"\\"changefreq\\" must be one of [always, hourly, daily, weekly, monthly, yearly, never]"`,
+    );
+  });
+});
diff --git a/packages/docusaurus-plugin-sitemap/src/index.ts b/packages/docusaurus-plugin-sitemap/src/index.ts
index c72ec4132135..ee891c268f3d 100644
--- a/packages/docusaurus-plugin-sitemap/src/index.ts
+++ b/packages/docusaurus-plugin-sitemap/src/index.ts
@@ -9,20 +9,20 @@ import fs from 'fs-extra';
 import path from 'path';
 import {PluginOptions} from './types';
 import createSitemap from './createSitemap';
-import {LoadContext, Props, Plugin} from '@docusaurus/types';
-
-const DEFAULT_OPTIONS: Required<PluginOptions> = {
-  cacheTime: 600 * 1000, // 600 sec - cache purge period.
-  changefreq: 'weekly',
-  priority: 0.5,
-};
+import {
+  LoadContext,
+  Props,
+  OptionValidationContext,
+  ValidationResult,
+  Plugin,
+} from '@docusaurus/types';
+import {PluginOptionSchema} from './pluginOptionSchema';
+import {ValidationError} from '@hapi/joi';
 
 export default function pluginSitemap(
   _context: LoadContext,
-  opts: Partial<PluginOptions>,
+  options: PluginOptions,
 ): Plugin<void> {
-  const options = {...DEFAULT_OPTIONS, ...opts};
-
   return {
     name: 'docusaurus-plugin-sitemap',
 
@@ -44,3 +44,14 @@ export default function pluginSitemap(
     },
   };
 }
+
+export function validateOptions({
+  validate,
+  options,
+}: OptionValidationContext<PluginOptions, ValidationError>): ValidationResult<
+  PluginOptions,
+  ValidationError
+> {
+  const validatedOptions = validate(PluginOptionSchema, options);
+  return validatedOptions;
+}
diff --git a/packages/docusaurus-plugin-sitemap/src/pluginOptionSchema.ts b/packages/docusaurus-plugin-sitemap/src/pluginOptionSchema.ts
new file mode 100644
index 000000000000..303449bf356d
--- /dev/null
+++ b/packages/docusaurus-plugin-sitemap/src/pluginOptionSchema.ts
@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+import * as Joi from '@hapi/joi';
+import {PluginOptions} from './types';
+
+export const DEFAULT_OPTIONS: Required<PluginOptions> = {
+  cacheTime: 600 * 1000, // 600 sec - cache purge period.
+  changefreq: 'weekly',
+  priority: 0.5,
+};
+
+export const PluginOptionSchema = Joi.object({
+  cacheTime: Joi.number().positive().default(DEFAULT_OPTIONS.cacheTime),
+  changefreq: Joi.string()
+    .valid('always', 'hourly', 'daily', 'weekly', 'monthly', 'yearly', 'never')
+    .default(DEFAULT_OPTIONS.changefreq),
+  priority: Joi.number().min(0).max(1).default(DEFAULT_OPTIONS.priority),
+});
diff --git a/packages/docusaurus-theme-live-codeblock/package.json b/packages/docusaurus-theme-live-codeblock/package.json
index 5ea8d383abb6..8fdfc3b7e1d9 100644
--- a/packages/docusaurus-theme-live-codeblock/package.json
+++ b/packages/docusaurus-theme-live-codeblock/package.json
@@ -13,8 +13,7 @@
     "clsx": "^1.1.1",
     "parse-numeric-range": "^0.0.2",
     "prism-react-renderer": "^1.1.0",
-    "react-live": "^2.2.1",
-    "yup": "^0.29.1"
+    "react-live": "^2.2.1"
   },
   "peerDependencies": {
     "@docusaurus/core": "^2.0.0",
diff --git a/packages/docusaurus-types/src/index.d.ts b/packages/docusaurus-types/src/index.d.ts
index 140f0f0438e4..8f017ac76440 100644
--- a/packages/docusaurus-types/src/index.d.ts
+++ b/packages/docusaurus-types/src/index.d.ts
@@ -211,7 +211,7 @@ export interface ValidationResult<T, E extends Error = Error> {
 }
 
 export type Validate<T, E extends Error = Error> = (
-  validationSchrema: ValidationSchema<T>,
+  validationSchema: ValidationSchema<T>,
   options: Partial<T>,
 ) => ValidationResult<T, E>;
 
diff --git a/yarn.lock b/yarn.lock
index 41d7179c0e3b..f52a3befcf5f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1172,13 +1172,6 @@
   dependencies:
     regenerator-runtime "^0.13.4"
 
-"@babel/runtime@^7.9.6":
-  version "7.9.6"
-  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.9.6.tgz#a9102eb5cadedf3f31d08a9ecf294af7827ea29f"
-  integrity sha512-64AF1xY3OAkFHqOb9s4jpgk1Mm5vDZ4L3acHvAml+53nO1XbXLuDodsVpO4OIUsmemlUHMxNdYMNJmsvOwLrvQ==
-  dependencies:
-    regenerator-runtime "^0.13.4"
-
 "@babel/template@^7.7.4", "@babel/template@^7.8.3", "@babel/template@^7.8.6":
   version "7.8.6"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.8.6.tgz#86b22af15f828dfb086474f964dcc3e39c43ce2b"
@@ -1392,17 +1385,7 @@
   resolved "https://registry.yarnpkg.com/@hapi/hoek/-/hoek-9.0.4.tgz#e80ad4e8e8d2adc6c77d985f698447e8628b6010"
   integrity sha512-EwaJS7RjoXUZ2cXXKZZxZqieGtc7RbvQhUy8FwDoMQtxWVi14tFjeFCYPZAM1mBCpOpiBpyaZbb9NeHc7eGKgw==
 
-"@hapi/joi@^15.1.0":
-  version "15.1.1"
-  resolved "https://registry.yarnpkg.com/@hapi/joi/-/joi-15.1.1.tgz#c675b8a71296f02833f8d6d243b34c57b8ce19d7"
-  integrity sha512-entf8ZMOK8sc+8YfeOlM8pCfg3b5+WZIKBfUaaJT8UsjAAPjartzxIYm3TIbjvA4u+u++KbcXD38k682nVHDAQ==
-  dependencies:
-    "@hapi/address" "2.x.x"
-    "@hapi/bourne" "1.x.x"
-    "@hapi/hoek" "8.x.x"
-    "@hapi/topo" "3.x.x"
-
-"@hapi/joi@^17.1.1":
+"@hapi/joi@17.1.1", "@hapi/joi@^17.1.1":
   version "17.1.1"
   resolved "https://registry.yarnpkg.com/@hapi/joi/-/joi-17.1.1.tgz#9cc8d7e2c2213d1e46708c6260184b447c661350"
   integrity sha512-p4DKeZAoeZW4g3u7ZeRo+vCDuSDgSvtsB/NpfjXEHTUjSeINAi/RrVOWiVQ1isaoLzMvFEhe8n5065mQq1AdQg==
@@ -1413,6 +1396,16 @@
     "@hapi/pinpoint" "^2.0.0"
     "@hapi/topo" "^5.0.0"
 
+"@hapi/joi@^15.1.0":
+  version "15.1.1"
+  resolved "https://registry.yarnpkg.com/@hapi/joi/-/joi-15.1.1.tgz#c675b8a71296f02833f8d6d243b34c57b8ce19d7"
+  integrity sha512-entf8ZMOK8sc+8YfeOlM8pCfg3b5+WZIKBfUaaJT8UsjAAPjartzxIYm3TIbjvA4u+u++KbcXD38k682nVHDAQ==
+  dependencies:
+    "@hapi/address" "2.x.x"
+    "@hapi/bourne" "1.x.x"
+    "@hapi/hoek" "8.x.x"
+    "@hapi/topo" "3.x.x"
+
 "@hapi/pinpoint@^2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@hapi/pinpoint/-/pinpoint-2.0.0.tgz#805b40d4dbec04fc116a73089494e00f073de8df"
@@ -3272,11 +3265,6 @@
   dependencies:
     "@types/yargs-parser" "*"
 
-"@types/yup@^0.29.0":
-  version "0.29.0"
-  resolved "https://registry.yarnpkg.com/@types/yup/-/yup-0.29.0.tgz#0918ec503dfacb19d0b3cca0195b9f3441f46685"
-  integrity sha512-E9RTXPD4x44qBOvY6TjUqdkR9FNV9cACWlnAsooUInDqtLZz9M9oYXKn/w1GHNxRvyYyHuG6Bfjbg3QlK+SgXw==
-
 "@typescript-eslint/eslint-plugin@^3.3.0":
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-3.3.0.tgz#89518e5c5209a349bde161c3489b0ec187ae5d37"
@@ -8176,11 +8164,6 @@ flush-write-stream@^1.0.0:
     inherits "^2.0.3"
     readable-stream "^2.3.6"
 
-fn-name@~3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/fn-name/-/fn-name-3.0.0.tgz#0596707f635929634d791f452309ab41558e3c5c"
-  integrity sha512-eNMNr5exLoavuAMhIUVsOKF79SWd/zG104ef6sxBTSw+cZc6BXdQXDvYcGvp0VbxVVSp1XDUNoz7mg1xMtSznA==
-
 follow-redirects@^1.0.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.9.0.tgz#8d5bcdc65b7108fe1508649c79c12d732dcedb4f"
@@ -11332,11 +11315,6 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
-lodash-es@^4.17.11:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.15.tgz#21bd96839354412f23d7a10340e5eac6ee455d78"
-  integrity sha512-rlrc3yU3+JNOpZ9zj5pQtxnx2THmvRykwL4Xlxoa8I9lHBlVbbyPhgyPMioxVZ4NqyxaVVtaJnzsyOidQIhyyQ==
-
 lodash._reinterpolate@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
@@ -14633,11 +14611,6 @@ prop-types@^15.0.0, prop-types@^15.5.0, prop-types@^15.5.4, prop-types@^15.5.8,
     object-assign "^4.1.1"
     react-is "^16.8.1"
 
-property-expr@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/property-expr/-/property-expr-2.0.2.tgz#fff2a43919135553a3bc2fdd94bdb841965b2330"
-  integrity sha512-bc/5ggaYZxNkFKj374aLbEDqVADdYaLcFo8XBkishUWbaAdjlphaBFns9TvRA2pUseVL/wMFmui9X3IdNDU37g==
-
 property-information@^5.0.0, property-information@^5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/property-information/-/property-information-5.3.0.tgz#bc87ac82dc4e72a31bb62040544b1bf9653da039"
@@ -17310,11 +17283,6 @@ symbol-tree@^3.2.2:
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.4.tgz#430637d248ba77e078883951fb9aa0eed7c63fa2"
   integrity sha512-9QNk5KwDF+Bvz+PyObkmSYjI5ksVUYtjW7AU22r2NKcfLJcXp96hkDWU3+XndOsUb+AQ9QhfzfCT2O+CNWT5Tw==
 
-synchronous-promise@^2.0.10:
-  version "2.0.13"
-  resolved "https://registry.yarnpkg.com/synchronous-promise/-/synchronous-promise-2.0.13.tgz#9d8c165ddee69c5a6542862b405bc50095926702"
-  integrity sha512-R9N6uDkVsghHePKh1TEqbnLddO2IY25OcsksyFp/qBe7XYd0PVbKEWxhcdMhpLzE1I6skj5l4aEZ3CRxcbArlA==
-
 table@^5.2.3, table@^5.4.6:
   version "5.4.6"
   resolved "https://registry.yarnpkg.com/table/-/table-5.4.6.tgz#1292d19500ce3f86053b05f0e8e7e4a3bb21079e"
@@ -17694,11 +17662,6 @@ toml@^2.3.2:
   resolved "https://registry.yarnpkg.com/toml/-/toml-2.3.6.tgz#25b0866483a9722474895559088b436fd11f861b"
   integrity sha512-gVweAectJU3ebq//Ferr2JUY4WKSDe5N+z0FvjDncLGyHmIDoxgY/2Ie4qfEIDm4IS7OA6Rmdm7pdEEdMcV/xQ==
 
-toposort@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/toposort/-/toposort-2.0.2.tgz#ae21768175d1559d48bef35420b2f4962f09c330"
-  integrity sha1-riF2gXXRVZ1IvvNUILL0li8JwzA=
-
 touch@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/touch/-/touch-3.1.0.tgz#fe365f5f75ec9ed4e56825e0bb76d24ab74af83b"
@@ -19132,32 +19095,6 @@ yauzl@^2.4.2:
     buffer-crc32 "~0.2.3"
     fd-slicer "~1.1.0"
 
-yup@^0.29.0:
-  version "0.29.0"
-  resolved "https://registry.yarnpkg.com/yup/-/yup-0.29.0.tgz#c0670897b2ebcea42ebde12b3567f55ea3a7acaf"
-  integrity sha512-rXPkxhMIVPsQ6jZXPRcO+nc+AIT+BBo3012pmiEos2RSrPxAq1LyspZyK7l14ahcXuiKQnEHI0H5bptI47v5Tw==
-  dependencies:
-    "@babel/runtime" "^7.9.6"
-    fn-name "~3.0.0"
-    lodash "^4.17.15"
-    lodash-es "^4.17.11"
-    property-expr "^2.0.2"
-    synchronous-promise "^2.0.10"
-    toposort "^2.0.2"
-
-yup@^0.29.1:
-  version "0.29.1"
-  resolved "https://registry.yarnpkg.com/yup/-/yup-0.29.1.tgz#35d25aab470a0c3950f66040ba0ff4b1b6efe0d9"
-  integrity sha512-U7mPIbgfQWI6M3hZCJdGFrr+U0laG28FxMAKIgNvgl7OtyYuUoc4uy9qCWYHZjh49b8T7Ug8NNDdiMIEytcXrQ==
-  dependencies:
-    "@babel/runtime" "^7.9.6"
-    fn-name "~3.0.0"
-    lodash "^4.17.15"
-    lodash-es "^4.17.11"
-    property-expr "^2.0.2"
-    synchronous-promise "^2.0.10"
-    toposort "^2.0.2"
-
 zepto@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/zepto/-/zepto-1.2.0.tgz#e127bd9e66fd846be5eab48c1394882f7c0e4f98"