Typescript support

email-signature.html

@@ -8,7 +8,7 @@
       <tr>
         <td
           rowspan="3"
-          style="vertical-align: center; border-right: 1px solid #212138; width: 80px"
+          style="vertical-align: center; width: 80px"
         >
           <img
             src="https://michalvanko.dev/images/m-logo.png"
@@ -19,18 +19,18 @@
         </td>
 
         <td
-          style="color: #212138; font-size: 12px; padding-bottom: 4px; padding-left: 8px;"
+          style="color: #212138; font-size: 12px; padding-bottom: 4px; padding-left: 4px;"
         >
           <span>Michal Vanko</span>
         </td>
       </tr>
       <tr>
-        <td style="color: 42436a; font-size: 11px; padding-left: 8px;">
+        <td style="color: #42436a; font-size: 11px; padding-left: 4px;">
           <span>Software Architect and Consultant</span>
         </td>
       </tr>
       <tr>
-        <td style="font-size: 11px; padding-left: 8px;">
+        <td style="font-size: 11px; padding-left: 4px;">
           <a
             target="_blank"
             href="https://michalvanko.dev"

package.json

@@ -14,31 +14,41 @@
   "dependencies": {
     "classnames": "^2.2.6",
     "compression": "^1.7.4",
-    "date-fns": "^2.11.1",
-    "feed": "^4.2.0",
-    "front-matter": "^3.1.0",
-    "marked": "^0.8.2",
+    "@rollup/plugin-typescript": "^6.0.0",
+    "date-fns": "^2.16.1",
+    "feed": "^4.2.1",
+    "front-matter": "^4.0.2",
+    "marked": "^1.1.1",
     "polka": "^0.5.2",
-    "ramda": "^0.27.0",
-    "rollup-plugin-svg": "^2.0.0",
-    "sirv": "^0.4.2",
-    "svelte-image": "^0.1.9"
+    "ramda": "^0.27.1",
+    "sirv": "^1.0.6",
+    "svelte-image": "^0.2.7"
   },
   "devDependencies": {
-    "npm-run-all": "^4.1.5",
-    "sapper": "^0.27.12",
-    "svelte": "^3.20.1",
-    "@babel/core": "^7.9.0",
+    "@babel/core": "^7.11.6",
     "@babel/plugin-syntax-dynamic-import": "^7.8.3",
-    "@babel/plugin-transform-runtime": "^7.9.0",
-    "@babel/preset-env": "^7.9.0",
-    "@babel/runtime": "^7.9.2",
-    "rollup": "^2.3.2",
+    "@babel/plugin-transform-runtime": "^7.11.5",
+    "@babel/preset-env": "^7.11.5",
+    "@babel/runtime": "^7.11.2",
+    "@rollup/plugin-typescript": "^6.0.0",
+    "@tsconfig/svelte": "^1.0.10",
+    "@types/classnames": "^2.2.10",
+    "@types/ramda": "^0.27.19",
+    "autoprefixer": "^10.0.0",
+    "npm-run-all": "^4.1.5",
+    "postcss": "^8.0.9",
+    "rollup": "^2.28.2",
     "rollup-plugin-babel": "^4.4.0",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-node-resolve": "^5.2.0",
     "rollup-plugin-replace": "^2.2.0",
-    "rollup-plugin-svelte": "^5.2.1",
-    "rollup-plugin-terser": "^5.3.0"
+    "rollup-plugin-svelte": "^6.0.1",
+    "rollup-plugin-svg": "^2.0.0",
+    "rollup-plugin-terser": "^7.0.2",
+    "sapper": "^0.28.9",
+    "svelte": "^3.28.0",
+    "svelte-check": "^1.0.51",
+    "svelte-preprocess": "^4.3.2",
+    "typescript": "^4.0.3"
   }
 }

rollup.config.js

@@ -7,22 +7,24 @@ import { terser } from 'rollup-plugin-terser'
 import config from 'sapper/config/rollup.js'
 import pkg from './package.json'
 import svg from 'rollup-plugin-svg'
-import image from 'svelte-image'
+// import image from 'svelte-image'
+import sveltePreprocess from 'svelte-preprocess'
+import typescript from '@rollup/plugin-typescript'
 
 const mode = process.env.NODE_ENV
 const dev = mode === 'development'
 const legacy = !!process.env.SAPPER_LEGACY_BUILD
 
 const onwarn = (warning, onwarn) =>
-  (warning.code === 'CIRCULAR_DEPENDENCY' &&
-    /[/\\]@sapper[/\\]/.test(warning.message)) ||
+  (warning.code === 'MISSING_EXPORT' && /'preload'/.test(warning.message)) ||
+  (warning.code === 'CIRCULAR_DEPENDENCY' && /[/\\]@sapper[/\\]/.test(warning.message)) ||
   onwarn(warning)
 const dedupe = (importee) =>
   importee === 'svelte' || importee.startsWith('svelte/')
 
 export default {
   client: {
-    input: config.client.input(),
+    input: config.client.input().replace(/\.js$/, ".ts"),
     output: config.client.output(),
     plugins: [
       replace({
@@ -33,9 +35,16 @@ export default {
         dev,
         hydratable: true,
         emitCss: true,
+        // Disabled automatic image compression
         // preprocess: {
         //   ...image(),
         // },
+        preprocess: sveltePreprocess({
+          sourceMap: dev,
+          defaults: {
+            script: 'typescript',
+          },
+        }),
       }),
       resolve({
         browser: true,
@@ -78,7 +87,7 @@ export default {
   },
 
   server: {
-    input: config.server.input(),
+    input: config.server.input().server.replace(/\.js$/, ".ts"),
     output: config.server.output(),
     plugins: [
       replace({
@@ -88,6 +97,13 @@ export default {
       svelte({
         generate: 'ssr',
         dev,
+        hydratable: true,
+        preprocess: sveltePreprocess({
+          sourceMap: dev,
+          defaults: {
+            script: 'typescript',
+          }
+        }),
         // preprocess: {
         //   ...image(),
         // },
@@ -96,6 +112,7 @@ export default {
         dedupe,
       }),
       commonjs(),
+      typescript({ sourceMap: dev}),
       svg(),
     ],
     external: Object.keys(pkg.dependencies).concat(

src/components/blog/article-footer.svelte

@@ -1,7 +1,8 @@
-<script>
+<script lang="typescript">
   import { format } from 'date-fns'
+  import type { PostContent } from '../../routes/blog/_content';
 
-  export let post
+  export let post: PostContent
 </script>
 
 <style>

src/components/portfolio/project.svelte

@@ -1,5 +1,7 @@
-<script>
-  export let project
+<script lang="typescript">
+  import type { ProjectAttributes } from "../../routes/portfolio/index.json";
+
+  export let project: ProjectAttributes
 </script>
 
 <style>

src/markdown/parse-markdown.ts

@@ -1,7 +1,7 @@
 import marked from 'marked'
 
-export function parseField(field) {
-  return item => ({
+export function parseField<T>(field: string) {
+  return (item: T) => ({
     ...item,
     [field]: marked(item[field]),
   })

src/routes/blog/[slug].json.ts

@@ -2,13 +2,18 @@ import { readFile } from 'fs'
 import { promisify } from 'util'
 import fm from 'front-matter'
 import { parseField } from '../../markdown/parse-markdown'
+import type { PostAttributes } from './_content'
+
+export interface SinglePost {
+  body: string
+}
 
 export async function get(req, res, next) {
   // the `slug` parameter is available because
   // this file is called [slug].json.js
   const { slug } = req.params
 
-  let postSource
+  let postSource: string
   try {
     postSource = await promisify(readFile)(`_posts/blog/${slug}.md`, 'utf-8')
   } catch (e) {
@@ -22,9 +27,9 @@ export async function get(req, res, next) {
     return
   }
 
-  const parsedPost = fm(postSource)
+  const parsedPost = fm<PostAttributes>(postSource)
 
-  const response = parseField('body')({
+  const response = parseField<SinglePost>('body')({
     ...parsedPost.attributes,
     body: parsedPost.body,
   })

src/routes/blog/[slug].svelte

@@ -64,8 +64,8 @@
 
 <svelte:head>
   <title>{post.title}</title>
-  <link rel="stylesheet" href="prism.css" />
-  <script src="prism.js">
+  <link rel="stylesheet" href="/prism.css" />
+  <script src="../../../static/prism.js" defer>
 
   </script>
 </svelte:head>

src/routes/blog/_content.ts

@@ -7,17 +7,32 @@ import marked from 'marked'
 
 const { NODE_ENV } = process.env
 
-export async function getBlogListing(tag) {
+export interface PostAttributes {
+  layout: string
+  title: string
+  published: boolean
+  date: string
+  thumbnail: string
+  tags: string[]
+}
+
+export interface PostContent extends PostAttributes {
+  preview: string
+  slug: string
+  published: boolean
+}
+
+export async function getBlogListing(tag?: string) {
   const files = await promisify(readdir)(`_posts/blog/`, 'utf-8')
   const filteredFiles = filterDevelopmentFiles(files)
 
   const contents = await Promise.all(
-    filteredFiles.map(async file => {
+    filteredFiles.map(async (file) => {
       const fileContent = await promisify(readFile)(
         `_posts/blog/${file}`,
         'utf-8'
       )
-      const parsedAttributes = fm(fileContent)
+      const parsedAttributes = fm<PostAttributes>(fileContent)
 
       const lineOfTextRegExp = /^(?:\w|\[).+/gm
       const lines = parsedAttributes.body
@@ -33,23 +48,30 @@ export async function getBlogListing(tag) {
       }
     })
   )
-  const filteredContents = pipe(
+  const filteredContents = pipe<
+    PostContent[],
+    PostContent[],
+    PostContent[],
+    PostContent[],
+    PostContent[]
+  >(
     sortBy(prop('date')),
     reverse,
-    filter(article => article.published),
+    filter<typeof contents[0]>((article) => article.published),
     partial(filterByTag, [tag])
   )(contents)
 
   return filteredContents
 }
 
-function filterDevelopmentFiles(files) {
+function filterDevelopmentFiles(files: string[]) {
   return NODE_ENV !== 'production'
     ? files
-    : files.filter(file => !file.startsWith('dev-'))
+    : files.filter((file) => !file.startsWith('dev-'))
 }
 
-function filterByTag(tag, contents) {
-  return tag ? contents.filter(content => content.tags.includes(tag)) : contents
+function filterByTag(tag: string | undefined, contents: PostContent[]) {
+  return tag
+    ? contents.filter((content) => content.tags.includes(tag))
+    : contents
 }
-

src/routes/blog/index.svelte

@@ -1,4 +1,4 @@
-<script context="module">
+<script context="module" lang="typescript">
   export function preload({ params, query }) {
     const blogQuery = query
       ? '?' +
@@ -14,10 +14,11 @@
   }
 </script>
 
-<script>
+<script lang="typescript"> 
   import ArticleFooter from '../../components/blog/article-footer.svelte'
+  import type { PostContent } from './_content';
 
-  export let posts
+  export let posts: PostContent[]
   export let query 
 </script>
 

src/routes/feed/_feed.ts

@@ -25,14 +25,16 @@ export async function getFeed() {
   })
 
   const blogListing = await getBlogListing()
-  blogListing.forEach(post => {
+  blogListing.forEach((post) => {
     feed.addItem({
       title: post.title,
       id: `https://michalvanko.dev/blog/${post.slug}`,
       link: `https://michalvanko.dev/blog/${post.slug}`,
       description: post.preview,
-      date: post.date,
-      image: post.thumbnail ? `https://michalvanko.dev/${post.thumbnail}` : undefined,
+      date: new Date(post.date),
+      image: post.thumbnail
+        ? `https://michalvanko.dev/${post.thumbnail}`
+        : undefined,
     })
   })
   return feed

src/routes/feed/index.json.ts

@@ -8,4 +8,3 @@ export async function get(req, res) {
   })
   res.end(feed.json1())
 }
-

src/routes/feed/index.xml.ts

@@ -8,4 +8,3 @@ export async function get(req, res) {
   })
   res.end(feed.rss2())
 }
-

src/routes/portfolio/index.json.ts

@@ -4,8 +4,26 @@ import fm from 'front-matter'
 import marked from 'marked'
 import { parseField } from '../../markdown/parse-markdown'
 
+export interface RecordAttributes {
+  name: string
+  description: string
+  displayed: boolean
+}
+
+export interface ProjectAttributes extends RecordAttributes {
+  image: string
+}
+
+export interface PortfolioAttributes {
+  title: string
+  work_history_prelude: string
+  work_history: string[]
+  projects: ProjectAttributes[]
+  education: RecordAttributes[]
+}
+
 export async function get(req, res, next) {
-  let pageSource
+  let pageSource: string
   try {
     pageSource = await promisify(readFile)('_pages/portfolio.md', 'utf-8')
   } catch (e) {
@@ -14,15 +32,15 @@ export async function get(req, res, next) {
     return
   }
 
-  const parsed = fm(pageSource)
+  const parsed = fm<PortfolioAttributes>(pageSource)
   const workHistory = (parsed.attributes.work_history || []).map(
     parseField('description')
   )
   const projects = (parsed.attributes.projects || [])
-    .filter(project => project.displayed)
+    .filter((project) => project.displayed)
     .map(parseField('description'))
   const education = (parsed.attributes.education || [])
-    .filter(education => education.displayed)
+    .filter((education) => education.displayed)
     .map(parseField('description'))
 
   const response = {

src/server.js

@@ -1,17 +0,0 @@
-import sirv from 'sirv';
-import polka from 'polka';
-import compression from 'compression';
-import * as sapper from '@sapper/server';
-
-const { PORT, NODE_ENV } = process.env;
-const dev = NODE_ENV === 'development';
-
-polka() // You can also use Express
-	.use(
-		compression({ threshold: 0 }),
-		sirv('static', { dev }),
-		sapper.middleware()
-	)
-	.listen(PORT, err => {
-		if (err) console.log('error', err);
-	});

src/server.ts

@@ -0,0 +1,17 @@
+import sirv from 'sirv'
+import polka from 'polka'
+import compression from 'compression'
+import * as sapper from '@sapper/server'
+
+const { PORT, NODE_ENV } = process.env
+const dev = NODE_ENV === 'development'
+
+polka() // You can also use Express
+  .use(
+    compression({ threshold: 0 }),
+    sirv('static', { dev }),
+    sapper.middleware()
+  )
+  .listen(PORT, (err) => {
+    if (err) console.log('error', err)
+  })

src/template.html

@@ -28,15 +28,16 @@
     <!-- This contains the contents of the <svelte:head> component, if
 	     the current page has one -->
     %sapper.head%
+
+    <!-- Sapper creates a <script> tag containing `app/client.js`
+	     and anything else it needs to hydrate the app and
+	     initialise the router -->
+    %sapper.scripts%
   </head>
   <body>
     <!-- The application will be rendered inside this element,
 	     because `app/client.js` references it -->
     <div id="sapper">%sapper.html%</div>
 
-    <!-- Sapper creates a <script> tag containing `app/client.js`
-	     and anything else it needs to hydrate the app and
-	     initialise the router -->
-    %sapper.scripts%
   </body>
 </html>

tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "extends": "@tsconfig/svelte/tsconfig.json",
+  "include": ["src/**/*", "src/node_modules"],
+  "exclude": ["node_modules/*", "__sapper__/*", "static/*"],
+  "compilerOptions": {
+    "types": ["svelte", "node", "@sapper"],
+    "typeRoots": ["typings"],
+    "target": "ES2017"
+  }
+}

typings/@sapper/index.d.ts

@@ -0,0 +1,41 @@
+declare module '@sapper/app' {
+  interface Redirect {
+    statusCode: number
+    location: string
+  }
+
+  function goto(
+    href: string,
+    opts: { replaceState: boolean; noscroll: boolean }
+  ): Promise<unknown>
+  function prefetch(
+    href: string
+  ): Promise<{ redirect?: Redirect; data?: unknown }>
+  function prefetchRoutes(pathnames: string[]): Promise<unknown>
+  function start(opts: { target: Node }): Promise<unknown>
+  const stores: () => unknown
+
+  export { goto, prefetch, prefetchRoutes, start, stores }
+}
+
+declare module '@sapper/server' {
+  import { RequestHandler } from 'express'
+
+  interface MiddlewareOptions {
+    session?: (req: Express.Request, res: Express.Response) => unknown
+    ignore?: unknown
+  }
+
+  function middleware(opts?: MiddlewareOptions): RequestHandler
+
+  export { middleware }
+}
+
+declare module '@sapper/service-worker' {
+  const timestamp: number
+  const files: string[]
+  const shell: string[]
+  const routes: { pattern: RegExp }[]
+
+  export { timestamp, files, files as assets, shell, routes }
+}