db clone

.gitignore

@@ -0,0 +1,4 @@
+*.sqlite
+node_modules
+dist
+!master.sqlite

.nvmrc

@@ -0,0 +1 @@
+nvm use 9

package.json

@@ -0,0 +1,33 @@
+{
+  "name": "mikeworks-sql",
+  "version": "0.0.0",
+  "description": "Mike.Works SQL Fundamentals Course",
+  "main": "index.js",
+  "repository": "https://github.com/mike-north/sql-fundamentals.git",
+  "author": "Mike North <michael.l.north@gmail.com> (https://mike.works)",
+  "license": "NOLICENSE",
+  "private": true,
+  "engines": {
+    "node": ">= 9"
+  },
+  "scripts": {
+    "start": "scripty",
+    "build": "scripty"
+  },
+  "dependencies": {
+    "chalk": "^2.3.0",
+    "commander": "^2.11.0",
+    "debug": "^3.1.0",
+    "express": "^4.16.2",
+    "sqlite3": "^3.1.13",
+    "scripty": "^1.7.2"
+  },
+  "devDependencies": {
+    "@types/chalk": "^2.2.0",
+    "@types/commander": "^2.11.0",
+    "@types/debug": "0.0.30",
+    "@types/node": "^8.0.53",
+    "@types/sqlite3": "^3.1.1",
+    "typescript": "^2.6.1"
+  }
+}

scripts/build.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+tsc

scripts/start.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+npm run build
+node dist/index.js

src/constants.ts

@@ -0,0 +1,5 @@
+import { join } from "path";
+
+export const PROJECT_ROOT = join(__dirname, '..');
+export const MASTER_DB_NAME = 'master.sqlite';
+export const MASTER_DB_FILE = join(PROJECT_ROOT, MASTER_DB_NAME);

src/db/setup.ts

@@ -0,0 +1,22 @@
+import { promisify } from "util";
+import * as path from "path";
+import * as fs from "fs";
+import * as debug from 'debug';
+import { PROJECT_ROOT, MASTER_DB_FILE } from "../constants";
+import { dbPath } from "./utils";
+
+const copyFile = promisify(fs.copyFile);
+const exists = promisify(fs.exists);
+
+const log = debug('db:setup');
+
+export async function initializeDb(dbName = 'dev') {
+  let pth = dbPath(dbName);
+  let doesExist = await exists(pth);
+  if (!doesExist) {
+    log(`Database ${dbName} was not found at ${pth}... creating it now`);
+    await await copyFile(MASTER_DB_FILE, pth);
+  } else {
+    log(`Database ${dbName} was found at ${pth}...`);
+  }
+}

src/db/utils.ts

@@ -0,0 +1,4 @@
+import * as path from 'path'; 
+import { PROJECT_ROOT } from "../constants";
+
+export const dbPath = (name: string) => path.join(PROJECT_ROOT, `${name}.sqlite`);

src/index.ts

@@ -0,0 +1,15 @@
+import { existsSync } from "fs";
+import * as commander from 'commander';
+import { PROJECT_ROOT } from "./constants";
+import { initializeDb } from "./db/setup";
+import chalk from 'chalk';
+
+const pkg = require('../package.json');
+
+const app = commander
+  .version(pkg.version)
+  .parse(process.argv);
+
+(async function main() {
+  await initializeDb('dev');
+}())

tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es2017",
+    "inlineSourceMap": true,
+    "moduleResolution": "node",
+    "outDir": "dist",
+    "strict": true,
+    "allowJs": true
+  },
+  "include": [
+    "src"
+  ]
+}