mirror of
https://github.com/dillonkearns/elm-pages-v3-beta.git
synced 2024-12-18 17:11:55 +03:00
144 lines
3.7 KiB
JavaScript
144 lines
3.7 KiB
JavaScript
const fs = require("fs");
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async function run({ renderFunctionFilePath, routePatterns }) {
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fs.mkdirSync("functions/render");
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fs.mkdirSync("functions/server-render");
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fs.copyFileSync(
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renderFunctionFilePath,
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"./functions/render/elm-pages-cli.js"
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);
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fs.copyFileSync(
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renderFunctionFilePath,
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"./functions/server-render/elm-pages-cli.js"
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);
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fs.writeFileSync("./functions/render/index.js", rendererCode(true));
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fs.writeFileSync("./functions/server-render/index.js", rendererCode(false));
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// TODO rename functions/render to functions/fallback-render
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// TODO prepend instead of writing file
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console.log(routePatterns);
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const redirectsFile =
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routePatterns
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.filter(isServerSide)
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.map((route) => {
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if (route.kind === "prerender-with-fallback") {
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return `${route.pathPattern} /.netlify/functions/render 200
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${route.pathPattern}/content.json /.netlify/functions/render 200`;
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} else {
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return `${route.pathPattern} /.netlify/functions/server-render 200
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${route.pathPattern}/content.json /.netlify/functions/server-render 200`;
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}
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})
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.join("\n") + "\n";
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fs.writeFileSync("dist/_redirects", redirectsFile);
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}
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function isServerSide(route) {
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return (
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route.kind === "prerender-with-fallback" || route.kind === "serverless"
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);
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}
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run({
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renderFunctionFilePath: "./elm-stuff/elm-pages/elm.js",
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routePatterns: JSON.parse(fs.readFileSync("dist/route-patterns.json")),
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});
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/**
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* @param {boolean} isOnDemand
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*/
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function rendererCode(isOnDemand) {
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return `const path = require("path");
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${
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isOnDemand
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? `const { builder } = require("@netlify/functions");
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exports.handler = builder(render);`
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: `
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exports.handler = render;`
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}
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/**
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* @param {import('aws-lambda').APIGatewayProxyEvent} event
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* @param {any} context
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*/
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async function render(event, context) {
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console.log(JSON.stringify(event));
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global.staticHttpCache = {};
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const compiledElmPath = path.join(__dirname, "elm-pages-cli.js");
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const renderer = require("../../../../generator/src/render");
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try {
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const basePath = "/";
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const mode = "build";
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const addWatcher = () => {};
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const renderResult = await renderer(
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basePath,
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require(compiledElmPath),
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mode,
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event.path,
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reqToJson(event),
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addWatcher
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);
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const statusCode = renderResult.is404 ? 404 : 200;
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if (renderResult.kind === "json") {
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return {
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body: renderResult.contentJson,
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headers: {
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"Content-Type": "application/json",
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"x-powered-by": "elm-pages",
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},
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statusCode,
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};
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} else {
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return {
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body: renderResult.htmlString,
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headers: {
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"Content-Type": "text/html",
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"x-powered-by": "elm-pages",
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},
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statusCode,
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};
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}
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} catch (error) {
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console.error(error);
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return {
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body: \`<body><h1>Error</h1><pre>\${error.toString()}</pre></body>\`,
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statusCode: 500,
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headers: {
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"Content-Type": "text/html",
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"x-powered-by": "elm-pages",
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},
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};
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}
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}
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// * @param {import('aws-lambda').APIGatewayProxyEvent} event
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/**
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* @param {import('aws-lambda').APIGatewayProxyEvent} req
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* @returns {{ method: string; hostname: string; query: string; headers: Object; host: string; pathname: string; port: number | null; protocol: string; rawUrl: string; }}
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*/
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function reqToJson(req) {
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return {
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method: req.httpMethod,
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hostname: "TODO",
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// query: req.queryStringParameters, //url.search ? url.search.substring(1) : "",
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query: "", //url.search ? url.search.substring(1) : "",
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headers: req.headers,
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host: "", // TODO
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pathname: req.path,
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port: 80, // TODO
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protocol: "https", // TODO
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rawUrl: "", // TODO
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};
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}
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`;
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}
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