first commit

src/index.ts

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+export abstract class Plugin {
+  abstract name: string;
+  abstract rewriteTriggers: string[];
+  renameTo?: string;
+  abstract longLasting: boolean;
+  abstract build?(): void;
+
+  abstract rewriteFile(
+    file: string,
+    filePath: string
+  ): Promise<string | undefined | null | void>;
+}
+
+import * as fs from "fs";
+import * as path from "path";
+
+export default class SSSG {
+  plugins: Plugin[] = [];
+  outputFolder!: string;
+  inputFolder!: string;
+  constructor({
+    outputFolder,
+    inputFolder,
+  }: {
+    outputFolder: string;
+    inputFolder: string;
+  }) {
+    this.inputFolder = inputFolder;
+    this.outputFolder = outputFolder;
+  }
+
+  async run({ plugins }: { plugins: Plugin[] }) {
+    this.plugins = plugins;
+    if (!fs.existsSync(this.outputFolder)) fs.mkdirSync(this.outputFolder);
+  }
+
+  async build() {
+    console.log("build triggered")
+    for(const plugin of this.plugins) {
+      if(plugin.build) {
+        plugin.build();
+      }
+    }
+    try {
+      fs.rmSync(this.outputFolder, {recursive: true});
+    } catch {}
+
+    const sourceFiles = fs.readdirSync(this.inputFolder, {
+      recursive: true,
+      withFileTypes: true,
+    });
+    const globalPlugins = this.plugins.filter((z) =>
+      z.rewriteTriggers.includes("*")
+    );
+
+    for await (const file of sourceFiles) {
+      if (!file.isFile()) continue;
+
+      const type = file.name.split(".").at(-1);
+      if (!type) continue;
+
+      const shortname = file.name.slice(
+        0,
+        file.name.length - (type.length + 1)
+      );
+      const availablePlugins = this.plugins.filter((z) =>
+        z.rewriteTriggers.includes(type)
+      );
+      console.log(availablePlugins)
+
+      if (availablePlugins.length == 0) {
+        const oldPath = path.join(file.parentPath, file.name);
+        fs.cpSync(
+          oldPath,
+          oldPath.replace(this.inputFolder, this.outputFolder)
+        );
+      }
+
+      for await (const plugin of availablePlugins) {
+        const oldPath = path.join(file.parentPath, file.name);
+        const newPath = path
+          .join(
+            file.parentPath,
+            shortname +
+              "." +
+              (plugin.rewriteTriggers.includes("*") ? type : plugin.renameTo)
+          )
+          .replace(this.inputFolder, this.outputFolder);
+        let data = fs.readFileSync(oldPath).toString("utf8");
+
+        for await (const globalPlugin of globalPlugins) {
+          const rewritten = await globalPlugin.rewriteFile(data, oldPath);
+          if (!rewritten) continue;
+          data = rewritten;
+        }
+
+        let rewrite = await plugin.rewriteFile(data, oldPath);
+
+        if (!rewrite) continue;
+
+        fs.mkdirSync(path.dirname(newPath), { recursive: true });
+        fs.writeFileSync(newPath, rewrite);
+      }
+    }
+  }
+}

src/plugins/dev.ts

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+import type { Server, ServerWebSocket } from "bun";
+import SSSG, { Plugin } from "..";
+import * as fs from "fs";
+import mime from "mime-types";
+
+const script = `let reconnectTimeout;function connect(){console.log("[--dev] connecting to dev server");let ws=new WebSocket("ws://localhost:8080");ws.addEventListener("message",message=>{if(message.data=="refresh"){location.reload()}});ws.addEventListener("open",()=>{console.log("[--dev] connected")});ws.addEventListener("close",()=>{console.log("[--dev] socket closed, restarting in 1s");clearTimeout(reconnectTimeout);reconnectTimeout=setTimeout(()=>{connect()},1e3)})}window.addEventListener("load",()=>connect());`;
+
+export default class DevPlugin extends Plugin {
+  build: undefined;
+  
+  name = "dev";
+  rewriteTriggers = [];
+  renameTo = undefined;
+  longLasting = true;
+  server!: Server;
+  allConnections: ServerWebSocket<number>[] = [];
+  
+  constructor(sssg: SSSG) {
+    super();
+    if (!process.argv.includes("--dev")) return;
+
+    fs.watch(
+      sssg.inputFolder,
+      {
+        recursive: true,
+      },
+      async (e, f) => {
+        console.log("[dev] Noticed update in " + f + ", of type " + e + ".");
+        this.allConnections.forEach((z) => z.send("refresh"));
+        await sssg.build();
+      }
+    );
+
+    this.server = Bun.serve<number>({
+      fetch(req, server) {
+        const success = server.upgrade(req);
+        if (success) {
+          return undefined;
+        }
+
+        const url = new URL(req.url);
+
+        let cleanedPath = url.pathname;
+        if (cleanedPath == "/") cleanedPath = "/index.html";
+        if (cleanedPath.endsWith("/")) cleanedPath = cleanedPath.slice(0, -1);
+
+        let fsPath = sssg.outputFolder + cleanedPath;
+
+        if (fsPath.match(/\.\.\//g) !== null) {
+          return undefined;
+        }
+        let rawFile;
+        try {
+          rawFile = fs.readFileSync(fsPath);
+        } catch {
+          return new Response("404 Not Found", {
+            status: 404,
+          });
+        }
+        const type = fsPath.split(".").at(-1);
+        if (!type) return;
+        if (type == "html") {
+
+          rawFile = rawFile.toString().replace(
+            "<head>",
+            `<head><script>${script}</script>`
+          );
+        }
+        return new Response(rawFile, {
+          headers: {
+            "Cache-Control": "no-cache, no-store, must-revalidate",
+            "Pragma": "no-cache",
+            "Expires": "0",
+            "Content-Type": (mime.lookup(type) || "application/octet-stream") + "; charset=utf-8",
+          },
+        });
+      },
+      websocket: {
+        open: (ws) => {
+          ws.data = Math.random();
+
+          this.allConnections.push(ws);
+        },
+        message(ws, message) {},
+        close: (ws) => {
+          this.allConnections = this.allConnections.filter(
+            (z) => z.data != ws.data
+          );
+        },
+      },
+      port: 8080,
+    });
+  }
+
+  async rewriteFile(file: string, filePath: string) {
+    return undefined;
+  }
+}

src/plugins/markdown-compiler.ts

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+import { Plugin } from "..";
+import { marked } from "marked";
+import { parseMetadata } from "./markdown-metadata";
+
+export default class MarkdownCompiler extends Plugin {
+    build: undefined;
+
+    name = "markdown-compiler";
+    rewriteTriggers = ["md"]
+    renameTo = "html"
+    longLasting = false;
+    
+    async rewriteFile(file: string, filePath: string) {
+        let text = file;
+        const metadata = parseMetadata(text);
+        if(metadata) { 
+            let textSplit = text.split('\n');
+            textSplit.splice(0, Object.keys(metadata).length);
+            textSplit.unshift(metadata.title)
+            text = textSplit.join("\n");
+        }
+        return await marked.parse(text); 
+    }
+}

src/plugins/markdown-metadata.ts

@@ -0,0 +1,31 @@
+import { Plugin } from "..";
+
+export function parseMetadata(file: string) {
+  if (!/^=+$/gm.test(file)) return;
+  const splitfile = file.split("\n");
+  let properties: Record<string, string> | undefined;
+  for (let i = 0; i < splitfile.length; i++) {
+    if (!properties) properties = {};
+    const line = splitfile[i];
+    if (/^=+$/gm.test(line)) break;
+    const parts = line.split("=");
+    if (parts.length !== 2) break;
+    properties[parts[0].trim()] = parts[1].trim();
+  }
+  return properties;
+}
+
+export default class MarkdownMetadataGenerator extends Plugin {
+  build: undefined;
+
+  name = "markdown-metadata";
+  rewriteTriggers = ["md"];
+  renameTo = "json";
+  longLasting = false;
+
+  async rewriteFile(file: string, filePath: string) {
+    const metadata = parseMetadata(file);
+    if (!metadata) return;
+    return JSON.stringify(metadata);
+  }
+}

src/plugins/ts-compiler.ts

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+import { Plugin } from "..";
+import * as fs from "fs";
+import * as esbuild from "esbuild";
+
+export default class TSCompiler extends Plugin {
+  build: undefined;
+
+  name = "ts-compiler";
+  rewriteTriggers = ["ts", "tsx", "jsx"];
+  renameTo = "js";
+  longLasting = false;
+
+  minify = false;
+  constructor() {
+    super();
+    if (process.argv.includes("--prod")) {
+      this.minify = true;
+    }
+  }
+  async rewriteFile(file: string, filePath: string) {
+    let result;
+    try {
+      result = await esbuild.build({
+        stdin: {
+          contents: file,
+          resolveDir: filePath.split("/")?.slice(0, -1).join("/"),
+          sourcefile: filePath.split("/").at(-1),
+          loader: filePath.split("/").at(-1)?.split(".").at(-1) as
+            | "ts"
+            | "tsx"
+            | "jsx",
+        },
+        jsxFragment: "Fragment",
+        jsxFactory: "h",
+        jsxImportSource: "preact",
+        jsx: "transform",
+        write: false,
+        bundle: true,
+        outdir: "out",
+        minify: this.minify,
+      });
+    } catch (e) {
+      console.error(e);
+      console.log("Errored!");
+      return;
+    }
+    
+    if (result.errors.length != 0) {
+      console.log("TS compiler errored.");
+      result.errors.forEach((element) => {
+        console.error(element);
+      });
+    } else {
+      const output = result.outputFiles[0].contents;
+      return new TextDecoder().decode(output);
+    }
+  }
+}

src/plugins/variables.ts

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+import { Plugin } from "..";
+
+export default class Variables extends Plugin {
+
+  name = "variables";
+  rewriteTriggers = ["html", "*"];
+  renameTo = undefined;
+  longLasting = false;
+
+  varBuild!: () => Record<string, string>;
+  variables!: Record<string, string>;
+
+  constructor(varBuild: () => Record<string, string>) {
+    super();
+    this.varBuild = varBuild;
+  }
+
+  build() {
+    this.variables = this.varBuild();
+  }
+
+  async rewriteFile(file: string, filePath: string): Promise<string> {
+    let prevfile = file;
+    for (const a of Object.entries(this.variables)) {
+      prevfile = prevfile.replaceAll(a[0], a[1]);
+    }
+    return prevfile;
+  }
+}