chore: initial code

.eslintrc

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+{
+  "extends": [
+    "plugin:cypress-dev/general"
+  ]
+}

.gitignore

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+node_modules/
+.DS_Store
+npm-debug.log

.npmrc

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+registry=http://registry.npmjs.org/
+save-exact=true
+progress=false
+package-lock=false

.vscode/settings.json

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+{
+  "standard.enable": false,
+  "eslint.enable": true
+}

README.md

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+# @cypress/snapshot
+
+> Adds value / object / DOM element snapshot testing support to Cypress test runner
+
+[![NPM][npm-icon] ][npm-url]
+
+[![Build status][ci-image] ][ci-url]
+[![semantic-release][semantic-image] ][semantic-url]
+
+## Install
+
+Requires [Node](https://nodejs.org/en/) version 6 or above.
+
+```sh
+npm install --save-dev @cypress/snapshot
+```
+
+## Use
+
+### Small print
+
+Author: Gleb Bahmutov <gleb@cypress.io> © 2017
+
+License: MIT - do anything with the code, but don't blame u if it does not work.
+
+Support: if you find any problems with this module, email / tweet /
+[open issue](https://github.com/cypress-io/snapshot/issues) on Github
+
+## MIT License
+
+Copyright (c) 2017 Cypress.io <gleb@cypress.io>
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+[npm-icon]: https://nodei.co/npm/@cypress/snapshot.svg?downloads=true
+[npm-url]: https://npmjs.org/package/@cypress/snapshot
+[ci-image]: https://travis-ci.org/cypress-io/snapshot.svg?branch=master
+[ci-url]: https://travis-ci.org/cypress-io/snapshot
+[semantic-image]: https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg
+[semantic-url]: https://github.com/semantic-release/semantic-release

issue_template.md

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+Thank you for taking time to open a new issue. Please answer a few questions to help us fix it faster. You can delete text that is irrelevant to the issue.
+
+## Is this a bug report or a feature request?
+
+If this is a bug report, please provide as much info as possible
+
+- version
+- platform
+- expected behavior
+- actual behavior
+
+If this is a new feature request, please describe it below

package.json

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+{
+  "name": "@cypress/snapshot",
+  "description": "Adds value / object / DOM element snapshot testing support to Cypress test runner",
+  "version": "1.0.0",
+  "author": "Gleb Bahmutov <gleb@cypress.io>",
+  "bugs": "https://github.com/cypress-io/snapshot/issues",
+  "config": {
+    "pre-git": {
+      "commit-msg": "simple",
+      "pre-commit": [
+        "npm prune",
+        "npm run deps",
+        "npm test",
+        "git add src/*.js",
+        "npm run ban"
+      ],
+      "pre-push": [
+        "npm run unused-deps",
+        "npm run secure",
+        "npm run license",
+        "npm run ban -- --all",
+        "npm run size"
+      ],
+      "post-commit": [],
+      "post-merge": []
+    }
+  },
+  "engines": {
+    "node": ">=6"
+  },
+  "files": [
+    "src/*.js",
+    "!src/*-spec.js"
+  ],
+  "homepage": "https://github.com/cypress-io/snapshot#readme",
+  "keywords": [
+    "cypress",
+    "cypress-io",
+    "plugin",
+    "snapshot",
+    "testing"
+  ],
+  "license": "MIT",
+  "main": "src/",
+  "private": false,
+  "publishConfig": {
+    "registry": "http://registry.npmjs.org/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/cypress-io/snapshot.git"
+  },
+  "scripts": {
+    "ban": "ban",
+    "deps": "deps-ok && dependency-check --no-dev .",
+    "issues": "git-issues",
+    "license": "license-checker --production --onlyunknown --csv",
+    "lint": "eslint --fix src/*.js",
+    "pretest": "npm run lint",
+    "secure": "nsp check",
+    "size": "t=\"$(npm pack .)\"; wc -c \"${t}\"; tar tvf \"${t}\"; rm \"${t}\";",
+    "test": "npm run unit",
+    "unit": "mocha src/*-spec.js",
+    "unused-deps": "dependency-check --unused --no-dev ."
+  },
+  "release": {
+    "analyzeCommits": "simple-commit-message"
+  },
+  "devDependencies": {
+    "ban-sensitive-files": "1.9.2",
+    "dependency-check": "2.9.1",
+    "deps-ok": "1.2.1",
+    "eslint": "4.13.0",
+    "eslint-plugin-cypress-dev": "1.1.2",
+    "git-issues": "1.3.1",
+    "license-checker": "15.0.0",
+    "mocha": "4.0.1",
+    "nsp": "3.1.0",
+    "pre-git": "3.16.0"
+  },
+  "dependencies": {
+    "check-more-types": "2.24.0",
+    "lazy-ass": "1.6.0"
+  }
+}

src/index.js

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+'use strict'
+
+
+module.exports = true
+

src/snapshot-spec.js

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+'use strict'
+
+/* eslint-env mocha */
+const snapshot = require('.')
+const la = require('lazy-ass')
+const is = require('check-more-types')
+
+describe('@cypress/snapshot', () => {
+  it('is a function', () => {
+    la(is.fn(snapshot))
+  })
+})