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@eh-dub
Last active Jun 10, 2021
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Sapper + Svelte + Typescript
// in $PROJECT_ROOT/typings/@sapper
declare module '@sapper/app' {
// from sapper/runtime/src/app/types.ts
// sapper doesn't export its types yet
interface Redirect {
statusCode: number
location: string
}
// end
interface gotoOpts {
replaceState: boolean
}
function goto(href: string, opts : gotoOpts /*= { replaceState: false }*/): 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 }
}
import resolve from 'rollup-plugin-node-resolve';
import replace from 'rollup-plugin-replace';
import commonjs from 'rollup-plugin-commonjs';
import svelte from 'rollup-plugin-svelte';
import babel from 'rollup-plugin-babel';
import { terser } from 'rollup-plugin-terser';
import config from 'sapper/config/rollup.js';
import pkg from './package.json';
import {
createEnv,
preprocess,
readConfigFile,
} from "svelte-ts-preprocess"
import typescript from "rollup-plugin-typescript2"
const env = createEnv();
const compilerOptions = readConfigFile(env);
const opts = {
env,
compilerOptions: {
...compilerOptions,
allowNonTsExtensions: true
}
}
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)) || onwarn(warning);
const dedupe = importee => importee === 'svelte' || importee.startsWith('svelte/');
export default {
client: {
input: config.client.input().replace(/\.js$/, '.ts'),
output: config.client.output(),
plugins: [
replace({
'process.browser': true,
'process.env.NODE_ENV': JSON.stringify(mode)
}),
svelte({
dev,
hydratable: true,
emitCss: true,
preprocess: preprocess(opts)
}),
resolve({
browser: true,
dedupe
}),
commonjs(),
typescript(),
legacy && babel({
extensions: ['.js', '.mjs', '.html', '.svelte'],
runtimeHelpers: true,
exclude: ['node_modules/@babel/**'],
presets: [
['@babel/preset-env', {
targets: '> 0.25%, not dead'
}]
],
plugins: [
'@babel/plugin-syntax-dynamic-import',
['@babel/plugin-transform-runtime', {
useESModules: true
}]
]
}),
!dev && terser({
module: true
})
],
onwarn,
},
server: {
input: config.server.input().server.replace(/\.js$/, '.ts'),
output: config.server.output(),
plugins: [
replace({
'process.browser': false,
'process.env.NODE_ENV': JSON.stringify(mode)
}),
svelte({
generate: 'ssr',
dev,
preprocess: preprocess(dev)
}),
resolve({
dedupe
}),
commonjs(),
typescript(),
],
external: Object.keys(pkg.dependencies).concat(
require('module').builtinModules || Object.keys(process.binding('natives'))
),
onwarn,
},
serviceworker: {
input: config.serviceworker.input(), // .replace(/\.js$/, '.ts'), Haven't fixed the Typescript compiler errors for this file yet
output: config.serviceworker.output(),
plugins: [
resolve(),
replace({
'process.browser': true,
'process.env.NODE_ENV': JSON.stringify(mode)
}),
commonjs(),
typescript(),
!dev && terser()
],
onwarn,
}
};
// if you use VS Code, then this goes in $PROJECT_ROOT
const { preprocess } = require("svelte-ts-preprocess")
module.exports = {
preprocess: preprocess()
}
{
"include": ["src/**/*"],
"exclude": ["node_modules/*"],
"compilerOptions": {
/* Basic Options */
"target": "ESNEXT", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
"module": "ESNEXT", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
// "lib": [], /* Specify library files to be included in the compilation. */
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */
// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
// "declaration": true, /* Generates corresponding '.d.ts' file. */
// "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
// "sourceMap": true, /* Generates corresponding '.map' file. */
// "outFile": "./", /* Concatenate and emit output to single file. */
// "outDir": "./", /* Redirect output structure to the directory. */
// "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
// "composite": true, /* Enable project compilation */
// "removeComments": true, /* Do not emit comments to output. */
// "noEmit": true, /* Do not emit outputs. */
// "importHelpers": true, /* Import emit helpers from 'tslib'. */
// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
/* Strict Type-Checking Options */
"strict": true, /* Enable all strict type-checking options. */
// "noImplicitAny": false, /* Raise error on expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* Enable strict null checks. */
// "strictFunctionTypes": true, /* Enable strict checking of function types. */
// "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
// "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
// "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
// "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
/* Additional Checks */
// "noUnusedLocals": true, /* Report errors on unused locals. */
// "noUnusedParameters": true, /* Report errors on unused parameters. */
// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
/* Module Resolution Options */
"moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
// "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
// "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
// "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */
"typeRoots": ["typings"], /* List of folders to include type definitions from. */
"types": ["svelte", "@sapper"], /* Type declaration files to be included in compilation. */
"allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
"esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
/* Source Map Options */
// "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */
// "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
/* Experimental Options */
// "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
}
}
@khpatel4991

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@khpatel4991 khpatel4991 commented Oct 30, 2019

Wonderful Thanks

@CAJazzer

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@CAJazzer CAJazzer commented Nov 19, 2019

This is terrific! I was able to adapt the Sapper "Borat" template app based on your config. Thank you.

@Zimtir

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@Zimtir Zimtir commented Mar 14, 2020

https://github.com/Zimtir/SENT-template template with Sapper + Express + Node + Typescript
Try to use right now! :)

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