copy sapper example from vercel/vercel (#1030)

Co-authored-by: Trek Glowacki <[email protected]>

Author: erikareads

framework-boilerplates/sapper/.gitignore

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+.DS_Store
+/node_modules/
+/src/node_modules/@sapper/
+yarn-error.log
+/cypress/screenshots/
+/__sapper__/
+.env
+.env.build
+
+.vercel

framework-boilerplates/sapper/.vercelignore

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+README.md

framework-boilerplates/sapper/README.md

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+# Sapper Example
+
+This directory is a brief example of a [Sapper](https://sapper.svelte.dev/) app that can be deployed to Vercel with zero configuration.
+
+## Deploy Your Own
+
+Deploy your own Sapper project with Vercel.
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/vercel/examples/tree/main/framework-boilerplates/sapper&template=sapper)
+
+_Live Example: https://sapper-template.vercel.app_
+
+### How We Created This Example
+
+To get started with Sapper deployed with Vercel, you can use [degit](https://github.com/Rich-Harris/degit) to initialize the project:
+
+```shell
+$ npx degit "sveltejs/sapper-template#webpack" my-sapper-app
+```
+
+> The only change made is to change the build script in `package.json` to be `"sapper export"`.

framework-boilerplates/sapper/appveyor.yml

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+version: "{build}"
+
+shallow_clone: true
+
+init:
+  - git config --global core.autocrlf false
+
+build: off
+
+environment:
+  matrix:
+    # node.js
+    - nodejs_version: stable
+
+install:
+  - ps: Install-Product node $env:nodejs_version
+  - npm install cypress
+  - npm install

framework-boilerplates/sapper/cypress.json

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+{
+  "baseUrl": "http://localhost:3000",
+  "video": false
+}

framework-boilerplates/sapper/cypress/fixtures/example.json

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+{
+  "name": "Using fixtures to represent data",
+  "email": "[email protected]",
+  "body": "Fixtures are a great way to mock data for responses to routes"
+}

framework-boilerplates/sapper/cypress/integration/spec.js

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+describe('Sapper template app', () => {
+  beforeEach(() => {
+    cy.visit('/');
+  });
+
+  it('has the correct <h1>', () => {
+    cy.contains('h1', 'Great success!');
+  });
+
+  it('navigates to /about', () => {
+    cy.get('nav a')
+      .contains('about')
+      .click();
+    cy.url().should('include', '/about');
+  });
+
+  it('navigates to /blog', () => {
+    cy.get('nav a')
+      .contains('blog')
+      .click();
+    cy.url().should('include', '/blog');
+  });
+});

framework-boilerplates/sapper/cypress/plugins/index.js

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+// ***********************************************************
+// This example plugins/index.js can be used to load plugins
+//
+// You can change the location of this file or turn off loading
+// the plugins file with the 'pluginsFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/plugins-guide
+// ***********************************************************
+
+// This function is called when a project is opened or re-opened (e.g. due to
+// the project's config changing)
+
+module.exports = (on, config) => {
+  // `on` is used to hook into various events Cypress emits
+  // `config` is the resolved Cypress config
+};

framework-boilerplates/sapper/cypress/support/commands.js

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+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add("login", (email, password) => { ... })
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add("drag", { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add("dismiss", { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This is will overwrite an existing command --
+// Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... })

framework-boilerplates/sapper/cypress/support/index.js

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+// ***********************************************************
+// This example support/index.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import './commands';
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')