如何将 Sapper 添加到现有的 Svelte 项目？

问题描述

我在 svelte 中有广泛的应用，后来我需要在它上面附加一个工兵以进行进一步的工作，可能吗？我尝试通过：

npm i @sapper

但是当我尝试从这个包中导入一些东西时：

import { goto } from '@sapper/app';

编译器告诉我我不依赖这个工兵方法:(

我不知道如何将工兵附加到我的项目中

我的汇总

import svelte from "rollup-plugin-svelte";
import resolve from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import livereload from "rollup-plugin-livereload";
import { terser } from "rollup-plugin-terser";
// library that helps you import in svelte with
// absolute paths,instead of
// import Component  from "../../../../components/Component.svelte";
// we will be able to say
// import Component from "components/Component.svelte";
import alias from "@rollup/plugin-alias";

const production = !process.env.ROLLUP_WATCH;

// configure aliases for absolute imports
const aliases = alias({
  resolve: [".svelte",".js"],//optional,by default this will just look for .js files or folders
  entries: [
    { find: "components",replacement: "src/components" },{ find: "views",replacement: "src/views" },{ find: "assets",replacement: "src/assets" },],});

function serve() {
  let server;

  function toExit() {
    if (server) server.kill(0);
  }

  return {
    writeBundle() {
      if (server) return;
      server = require("child_process").spawn(
        "npm",["run","start","--","--dev"],{
          stdio: ["ignore","inherit","inherit"],shell: true,}
      );

      process.on("SIGTERM",toExit);
      process.on("exit",toExit);
    },};
}

export default {
  input: "src/main.js",output: {
    sourcemap: true,format: "iife",name: "app",file: "public/build/bundle.js",},plugins: [
    svelte({
      // enable run-time checks when not in production
      dev: !production,// we'll extract any component CSS out into
      // a separate file - better for performance
      css: (css) => {
        css.write("bundle.css");
      },}),// If you have external dependencies installed from
    // npm,you'll most likely need these plugins. In
    // some cases you'll need additional configuration -
    // consult the documentation for details:
    // https://github.com/rollup/plugins/tree/master/packages/commonjs
    resolve({
      browser: true,dedupe: ["svelte"],commonjs(),// In dev mode,call `npm run start` once
    // the bundle has been generated
    !production && serve(),// Watch the `public` directory and refresh the
    // browser on changes when not in production
    !production && livereload("public"),// If we're building for production (npm run build
    // instead of npm run dev),minify
    production && terser(),// for absolut imports
    // i.e.,instead of
    // import Component  from "../../../../components/Component.svelte";
    // we will be able to say
    // import Component from "components/Component.svelte";
    aliases,watch: {
    clearScreen: false,};

我的 package.json：

{
  "name": "svelte-app","version": "1.0.0","scripts": {
    "build": "rollup -c","dev": "rollup -c -w","start": "sirv public -s","build:tailwind": "tailwind build public/assets/styles/index.css -o public/assets/styles/tailwind.css","build:fontawesome": "mkdir -p public/assets/vendor/@fortawesome/fontawesome-free/webfonts && mkdir -p public/assets/vendor/@fortawesome/fontawesome-free/css && cp -a ./node_modules/@fortawesome/fontawesome-free/webfonts public/assets/vendor/@fortawesome/fontawesome-free/ && cp ./node_modules/@fortawesome/fontawesome-free/css/all.min.css public/assets/vendor/@fortawesome/fontawesome-free/css/all.min.css","install:clean": "rm -rf node_modules/ && rm -rf package-lock.json && rm -rf public/build && npm install && npm run build:tailwind && npm run build:fontawesome && npm run dev"
  },"devDependencies": {
    "@rollup/plugin-commonjs": "^16.0.0","@rollup/plugin-node-resolve": "^10.0.0","rollup": "^2.3.4","rollup-plugin-commonjs": "^10.1.0","rollup-plugin-css-only": "^3.1.0","rollup-plugin-livereload": "^2.0.0","rollup-plugin-node-polyfills": "^0.2.1","rollup-plugin-svelte": "^7.0.0","rollup-plugin-terser": "^7.0.0","svelte": "^3.0.0","webpack": "^5.11.1","webpack-cli": "^4.3.1"
  },"dependencies": {
    "@fortawesome/fontawesome-free": "5.14.0","@popperjs/core": "2.5.1","@rollup/plugin-alias": "3.1.1","@rollup/plugin-replace": "^2.3.4","@tailwindcss/custom-forms": "0.2.1","body-parser": "^1.19.0","chart.js": "2.9.3","compression": "^1.7.4","express": "^4.17.1","express-session": "^1.17.1","fontawesome-svelte": "^2.0.1","node-fetch": "^2.6.1","node-sass": "^5.0.0","page": "^1.11.6","polka": "^0.5.2","rollup-plugin-scss": "^2.6.1","session-file-store": "^1.5.0","sirv": "^1.0.10","sirv-cli": "1.0.6","svelte-routing": "1.4.2","tailwindcss": "1.8.10"
  }
}

解决方法

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