Refactor as node library using express

.gitignore

@@ -1,19 +1,5 @@
-# Generated by Cargo
-# will have compiled files and executables
-/target/
-
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
-# These are backup files generated by rustfmt
-**/*.rs.bk
-
-
-# Added by cargo
-
-/target
-
-
-# Custom
-static/
+.parcel-cache
+.vscode
+dist
+node_modules
+.DS_Store

.parcelrc

@@ -0,0 +1,4 @@
+{
+  "extends": "@parcel/config-default",
+  "resolvers": ["parcel-resolver-ts-base-url", "..."]
+}

index.ts

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+#!/usr/bin/env node
+import yargs from 'yargs'
+
+import { loadRoutesFile } from 'routes'
+import startServer from 'server'
+import path from 'path'
+
+const serve = async ({ target, routes, host, port, index }) => {
+  // Load routes
+  const resolvedRoutes = routes ? path.resolve(__dirname, routes) : ''
+  const routesMap = routes ? (await loadRoutesFile(resolvedRoutes)
+    .catch(() => { throw new Error(`Failed to load routes file: ${resolvedRoutes}`) })) : {}
+
+  if (!Object.keys(routesMap)?.length) {
+    console.warn('No dynamic routes configured')
+  } else {
+    console.log(`🪴  Configured ${Object.keys(routesMap).length} dynamic route(s)`)
+  }
+
+  // Start server
+  return startServer({
+    host,
+    port,
+    target,
+    routes: routesMap,
+    index: path.join(target, index),
+  })
+}
+
+yargs
+  .scriptName("epoxy")
+  .usage('$0 serve <target> [routes] [options]')
+  .command(['serve <target> [routes]', '$0 <target>'], 'Serve the provided static folder', (yargs) => {
+    yargs
+      .positional('target', { describe: 'Path to static directory', require: true })
+      .positional('routes', { describe: 'Path to routes script' })
+  }, serve)
+  .option('port', {
+    alias: 'p',
+    type: 'string',
+    description: 'port to use for http server',
+    default: 8080,
+  })
+  .option('host', {
+    alias: 'h',
+    type: 'string',
+    description: 'host to use for http server',
+    default: '0.0.0.0',
+  })
+  .option('index', {
+    alias: 'i',
+    type: 'string',
+    description: 'path to index html inside of target',
+    default: 'index.html',
+  })
+  .argv

package.json

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+{
+  "name": "epoxy",
+  "version": "1.0.0",
+  "description": "Lightweight server-side per-route html injection",
+  "repository": "https://github.com/stevent-team/epoxy",
+  "author": "Stevent",
+  "license": "MIT",
+  "private": false,
+  "bin": "./dist/index.js",
+  "main": "./dist/index.js",
+  "source": "./index.ts",
+  "scripts": {
+    "build": "parcel build"
+  },
+  "devDependencies": {
+    "@types/node": "^17.0.33",
+    "nodemon": "^2.0.16",
+    "parcel": "^2.5.0",
+    "parcel-resolver-ts-base-url": "^1.1.5",
+    "typescript": "^4.6.4"
+  },
+  "dependencies": {
+    "@types/express": "^4.17.13",
+    "cors": "^2.8.5",
+    "dotenv": "^16.0.1",
+    "express": "^4.18.1",
+    "yargs": "^17.5.1"
+  }
+}

src/inject.ts

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+export const injectHTML = (htmlText, { head, body }) => {
+  htmlText = inject(htmlText, '</head>', head)
+  htmlText = inject(htmlText, '</body>', body)
+  return htmlText
+}
+
+const inject = (text, on, insert) =>
+  insert ? text.split(on).join(`${insert}${on}`) : text

src/routes.ts

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+export const loadRoutesFile = async routes => {
+  const module = await import(routes)
+  return module?.default
+}