chore: initialize repository

.eslintrc.js

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+module.exports = {
+    env: {
+        browser: true,
+        commonjs: true,
+        es6: true
+    },
+    extends: [
+        "prettier"
+    ],
+    globals: {
+        Atomics: "readonly",
+        SharedArrayBuffer: "readonly"
+    },
+    parserOptions: {
+        ecmaVersion: 2018
+    },
+    plugins: [
+      "prettier"
+    ],
+    rules: {
+      "prettier/prettier": ["error", {
+      trailingComma: "none",
+      semi: true,
+      singleQuote: true,
+    }]
+    }
+};

.gitignore

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+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

index.js

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+var AWS = require('aws-sdk');
+var dynamoDb = new AWS.DynamoDB.DocumentClient();
+
+var { handleUser } = require('./resources');
+
+exports.handler = function(event, context, callback) {
+  console.log('EVENT: \n' + JSON.stringify(event, null, 2));
+
+  if (
+    !event.TableName ||
+    !event.payload ||
+    !event.payload.resource ||
+    !event.payload.operation ||
+    !event.payload.Item
+  ) {
+    return callback(null, { statusCode: 400 });
+  }
+
+  switch (event.resource) {
+    case 'user':
+      return handleUser(event, callback);
+  }
+};

package.json

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+{
+  "name": "salgode-api",
+  "version": "0.0.0",
+  "main": "index.js",
+  "scripts": {
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix",
+    "predeploy": "zip -r artifact.zip *",
+    "deploy": "aws lambda update-function-code --function-name SalgodeCore --zip-file fileb://artifact.zip --region us-east-1"
+  },
+  "private": true,
+  "devDependencies": {
+    "eslint": "^6.5.1",
+    "eslint-config-prettier": "^6.4.0",
+    "eslint-plugin-prettier": "^3.1.1",
+    "prettier": "^1.18.2"
+  }
+}

resources/index.js

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+module.exports = {
+  handleUser: require('./user')
+};

resources/user/create.js

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+var { uuid } = require('../../utils');
+
+module.exports = function(event, callback) {
+  var timestamp = new Date().getTime();
+
+  var params = {
+    TableName: event.TableName,
+    Item: {
+      id: uuid(),
+      ...event.payload.Item,
+      createdAt: timestamp,
+      updatedAt: timestamp
+    },
+    ConditionExpression: 'attribute_not_exists(email)'
+  };
+
+  dynamoDb.put(params, error => {
+    if (error) {
+      console.error(error);
+      callback(null, { statusCode: 501 });
+      return;
+    }
+
+    var response = {
+      statusCode: 200,
+      body: params.Item
+    };
+    return callback(null, response);
+  });
+};

resources/user/index.js

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+var create = require('./create');
+var destroy = require('./destroy');
+var list = require('./list');
+var read = require('./read');
+var update = require('./update');
+
+module.exports = function(event, callback) {
+  switch (event.operation) {
+    case 'create':
+      return create(event, callback);
+    case 'destroy':
+      return destroy(event, callback);
+    case 'list':
+      return list(event, callback);
+    case 'read':
+      return read(event, callback);
+    case 'update':
+      return update(event, callback);
+  }
+};

utils/index.js

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+module.exports = {
+  uuid: require('./uuid')
+};

utils/uuid.js

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+module.exports = function uuid() {
+  var dt = new Date().getTime();
+  var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(
+    c
+  ) {
+    var r = (dt + Math.random() * 16) % 16 | 0;
+    dt = Math.floor(dt / 16);
+    return (c == 'x' ? r : (r & 0x3) | 0x8).toString(16);
+  });
+  return uuid;
+};