feat: implement 'reload' flag function

Author: Je

cli/build.ts

@@ -6,13 +6,13 @@ Usage:
 if the <dir> is empty, the current directory will be used.
 
 Options:
-    -r, --reload  Reload remote deps
+    -r, --reload  Reload source code cache
     -h, --help    Prints help message
 `
 
 export default async function (appDir: string, options: Record<string, string | boolean>) {
     const { Project } = await import('../project.ts')
-    const project = new Project(appDir, 'production')
+    const project = new Project(appDir, 'production', Boolean(options.r || options.reload))
     await project.build()
     Deno.exit(0)
 }

cli/dev.ts

@@ -1,3 +1,5 @@
+import log from '../log.ts'
+
 export const helpMessage = `
 Usage:
     aleph dev <dir> [...options]
@@ -7,12 +9,17 @@ if the <dir> is empty, the current directory will be used.
 
 Options:
     -p, --port    A port number to start the aleph app, default is 8080
-    -r, --reload  Reload remote deps
+    -r, --reload  Reload source code cache
     -l, --log     Sets log level ['debug', 'info', 'warn', 'error', 'fatal']
     -h, --help    Prints help message
 `
 
-export default async function (appDir: string, options: { port?: string, p?: string }) {
+export default async function (appDir: string, options: Record<string, string | boolean>) {
     const { start } = await import('../server.ts')
-    start(appDir, parseInt(options.port || options.p || '8080') || 8080, true)
+    const port = parseInt(String(options.p || options.port || '8080'))
+    if (isNaN(port) || port <= 0 || !Number.isInteger(port)) {
+        log.error(`invalid port '${options.port || options.p}'`)
+        Deno.exit(1)
+    }
+    start(appDir, port, true, Boolean(options.r || options.reload))
 }

cli/init.ts

@@ -27,12 +27,7 @@ const vscSettings = {
     },
     'deno.enable': true,
     'deno.unstable': true,
-    'deno.import_map': './import_map.json',
-    'deno.import_intellisense_autodiscovery': true,
-    'deno.import_intellisense_origins': {
-        'https://deno.land': true,
-        'https://esm.sh': true
-    }
+    'deno.import_map': './import_map.json'
 }
 
 export const helpMessage = `

cli/start.ts

@@ -1,3 +1,5 @@
+import log from '../log.ts'
+
 export const helpMessage = `
 Usage:
     aleph start <dir> [...options]
@@ -7,11 +9,16 @@ if the <dir> is empty, the current directory will be used.
 
 Options:
     -p, --port    A port number to start the aleph app, default is 8080
-    -r, --reload  Reload remote deps
+    -r, --reload  Reload source code cache
     -h, --help    Prints help message
 `
 
 export default async function (appDir: string, options: Record<string, string | boolean>) {
     const { start } = await import('../server.ts')
-    start(appDir, parseInt(String(options.port || options.p)) || 8080)
+    const port = parseInt(String(options.p || options.port || '8080'))
+    if (isNaN(port) || port <= 0 || !Number.isInteger(port)) {
+        log.error(`invalid port '${options.port || options.p}'`)
+        Deno.exit(1)
+    }
+    start(appDir, port, false, Boolean(options.r || options.reload))
 }

project.ts

@@ -52,7 +52,7 @@ export class Project {
     #fsWatchListeners: Array<EventEmitter> = []
     #renderer: Renderer = { renderPage: () => void 0, renderHead: () => void 0 }
 
-    constructor(dir: string, mode: 'development' | 'production') {
+    constructor(dir: string, mode: 'development' | 'production', reload = false) {
         this.mode = mode
         this.appRoot = dir
         this.config = {
@@ -75,7 +75,7 @@ export class Project {
         this.ready = (async () => {
             const t = performance.now()
             await this._loadConfig()
-            await this._init()
+            await this._init(reload)
             log.debug('initialize project token ' + Math.round(performance.now() - t) + 'ms')
         })()
     }
@@ -471,7 +471,7 @@ export class Project {
         this.#routing = new Routing([], this.config.baseUrl, this.config.defaultLocale, this.config.locales)
     }
 
-    private async _init() {
+    private async _init(reload: boolean) {
         const walkOptions = { includeDirs: false, exts: ['.js', '.ts', '.mjs'], skip: [/^\./, /\.d\.ts$/i, /\.(test|spec|e2e)\.m?(j|t)sx?$/i] }
         const apiDir = path.join(this.srcDir, 'api')
         const pagesDir = path.join(this.srcDir, 'pages')
@@ -480,6 +480,13 @@ export class Project {
             log.fatal(`'pages' directory not found.`)
         }
 
+        if (reload) {
+            if (existsDirSync(this.buildDir)) {
+                await Deno.remove(this.buildDir, { recursive: true })
+            }
+            await ensureDir(this.buildDir)
+        }
+
         Object.assign(globalThis, {
             ALEPH: {
                 env: this.config.env,

server.ts

@@ -5,8 +5,8 @@ import { injectHmr, Project } from './project.ts'
 import { path, serve, ws } from './std.ts'
 import util, { existsFileSync, hashShort } from './util.ts'
 
-export async function start(appDir: string, port: number, isDev = false) {
-    const project = new Project(appDir, isDev ? 'development' : 'production')
+export async function start(appDir: string, port: number, isDev = false, reload = false) {
+    const project = new Project(appDir, isDev ? 'development' : 'production', reload)
     await project.ready
 
     while (true) {