chore: migrate yarn -> npm

.dockerignore

@@ -9,4 +9,4 @@
 !webpack.config.ts
 
 !package.json
-!yarn.lock
+!package-lock.json

.github/CONTRIBUTING.md

@@ -15,56 +15,56 @@ Hi! We're really excited that you are interested in contributing to ReDoc. Befor
 Before submitting a pull request, please make sure the following is done:
 
 1. Fork the repository and create your branch from master.
-2. Run `yarn` in the repository root.
+2. Run `npm install` in the repository root.
 3. If you’ve fixed a bug or added code that should be tested, add tests!
-4. Ensure the test suite passes (`yarn test`). Tip: `yarn test --watch TestName` is helpful in development.
-5. Format your code with prettier (`yarn prettier`).
+4. Ensure the test suite passes (`npm test`). Tip: `npm test -- --watch TestName` is helpful in development.
+5. Format your code with prettier (`npm run prettier`).
 
 ## Development Setup
 
-You will need [Node.js](http://nodejs.org) at `v8.0.0+` and [Yarn](https://yarnpkg.com/en/) at `v1.2.0+`
+You will need [Node.js](http://nodejs.org) at `v12.0.0+`.
 
 After cloning the repo, run:
 
 ```bash
-$ yarn install # or npm
+$ npm install # or npm
 ```
 
 ### Commonly used NPM scripts
 
 ``` bash
 # dev-server, watch and auto reload playground
-$ yarn start
+$ npm start
 
 # start playground app in production environment
-$ yarn start:prod
+$ npm run start:prod
 
 # runt tslint
-$ yarn lint
+$ npm run lint
 
 # try autofix tslint issues
-$ yarn lint --fix
+$ npm run lint -- --fix
 
 # run unit tests
-$ yarn unit
+$ npm run unit
 
 # run e2e tests
-$ yarn e2e
+$ npm run e2e
 
 # open cypress UI to debug e2e test
-$ yarn cy:open
+$ npm run cy:open
 
 # run the full test suite, include linting / unit / e2e
-$ yarn test
+$ npm test
 
 # prepare bundles
-$ yarn bundle
+$ npm run bundle
 
 # format the code using prettier
-$ yarn prettier
+$ npm run prettier
 
 # auto-generate changelog
-$ yarn changelog
+$ npm run changelog
 ```
 
 There are some other scripts available in the `scripts` section of the `package.json` file.

.github/workflows/unit-tests.yml

@@ -13,9 +13,8 @@ jobs:
       uses: actions/setup-node@v1
       with:
         node-version: 10.x
-    - name: yarn install, build, and test
+    - name: npm install, build, and test
       run: |
-        npm install -g yarn
-        yarn install
-        yarn bundle
-        yarn test
+        npm install
+        npm run bundle
+        npm test

.gitignore

@@ -34,4 +34,4 @@ cli/index.js
 /coverage
 .ghpages-tmp
 stats.json
-/package-lock.json
+yarn.lock

.travis.yml

@@ -2,7 +2,6 @@ language: node_js
 node_js:
 - '10'
 cache:
-  yarn: true
   directories:
   - "~/.cache"
 env:
@@ -35,6 +34,6 @@ deploy:
     tags: true
 - provider: script
   skip_cleanup: true
-  script: yarn deploy:demo
+  script: npm run deploy:demo
   on:
     tags: true

README.md

@@ -107,14 +107,14 @@ That's all folks!
 **IMPORTANT NOTE:** if you work with untrusted user spec, use `untrusted-spec` [option](#redoc-options-object) to prevent XSS security risks.
 
 ### 1. Install ReDoc (skip this step for CDN)
-Install using [yarn](https://yarnpkg.com):
+Install using [npm](https://docs.npmjs.com/getting-started/what-is-npm):
+
+    npm i redoc
+
+or using [yarn](https://yarnpkg.com):
 
     yarn add redoc
 
-or using [npm](https://docs.npmjs.com/getting-started/what-is-npm):
-
-    npm install redoc --save
-
 ### 2. Reference redoc script in HTML
 For **CDN**:
 ```html

benchmark/benchmark.js

@@ -17,7 +17,7 @@ const localDistDir = './benchmark/revisions/local/bundles';
 sh.rm('-rf', localDistDir);
 console.log(`Building local dist: ${localDistDir}`);
 sh.mkdir('-p', localDistDir);
-exec(`yarn bundle:lib --output-path ${localDistDir}`);
+exec(`npm run bundle:lib --output-path ${localDistDir}`);
 
 const revisions = [];
 for (const arg of args) {
@@ -119,7 +119,7 @@ function buildRevisionDist(revision) {
 
   const pwd = sh.pwd();
   sh.cd(buildDir);
-  exec('yarn remove cypress puppeteer && yarn && yarn bundle:lib');
+  exec('npm uninstall cypress puppeteer && npm install && npm run bundle:lib');
   sh.cd(pwd);
   return distDir;
 }

config/docker/Dockerfile

@@ -7,12 +7,12 @@
 
 FROM node:alpine
 
-RUN apk update && apk add --no-cache git 
+RUN apk update && apk add --no-cache git
 
 # Install dependencies
 WORKDIR /build
-COPY package.json yarn.lock /build/
-RUN yarn install --frozen-lockfile --ignore-optional --ignore-scripts
+COPY package.json package-lock.json /build/
+RUN npm ci --no-optional --ignore-scripts
 
 # copy only required for the build files
 COPY src /build/src