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#!/usr/bin/env -S deno run --allow-read --allow-write --allow-net
/** * Installation script for kview. * * @module */
import $, { type Path } from "jsr:@david/dax@0.42.0";import { assert } from "jsr:/@std/assert@~1/assert";import { parseArgs } from "jsr:@std/cli@~1/parse-args";import * as JSONC from "jsr:@std/jsonc@~1";import { ZipReader } from "jsr:@zip-js/zip-js@2.7.52";
interface DenoConfig {  version?: string;  exclude?: string[];  imports: Record<string, string>;  lock?: boolean;  tasks?: Record<string, string>;}
interface Manifest {  tasks: Record<string, string>;  mappings: [string, string][];  dirs: string[];  files: string[];}
const LATEST_DENO_JSON = "https://deno.land/x/kview/deno.json";const PREVIEW_DENO_JSON =  "https://raw.githubusercontent.com/kitsonk/kview/main/deno.json";const EXTRACT_PATH = "./_fresh";
async function extract(installPath: Path) {  $.logStep("Extracting build files...");  const zipFilePath = installPath.join("_fresh.zip");  const zipFile = await zipFilePath.open({ read: true });  const reader = new ZipReader(zipFile);  const extractPath = installPath.join(EXTRACT_PATH);  if (await extractPath.exists()) {    await extractPath.emptyDir();  }  const entries = await reader.getEntries();  const progress = $.progress({    message: "Extracting build files...",    length: entries.length,  });  await progress.with(async () => {    for (const entry of entries) {      if (entry.getData) {        const file = extractPath.join(entry.filename);        await file.parent()?.mkdir({ recursive: true });        try {          const outFile = await file.open({ create: true, write: true });          await entry.getData(outFile.writable);        } catch (error) {          assert(error instanceof Error);          console.error(            `  error: ${error.message}, file: ${await file.realPath()}`,          );        }      }      progress.increment();    }  });  await reader.close();  await zipFilePath.remove();  $.logLight("  complete.");}
async function getLatestDenoConfig(preview: boolean): Promise<  [url: string, config: DenoConfig]> {  const res = await fetch(preview ? PREVIEW_DENO_JSON : LATEST_DENO_JSON);  if (!res.ok) {    throw new Error(      `Error fetching latest deno.json: ${res.status} ${res.statusText}`,    );  }  return [res.url, JSONC.parse(await res.text()) as unknown as DenoConfig];}
async function main() {  $.logStep(`Upgrading kview...`);  const args = parseArgs(Deno.args, {    boolean: ["dry-run", "preview"],  });  const dryRun = args["dry-run"];  const preview = args["preview"];  if ($.path(new URL("./dev.ts", import.meta.url)).isFileSync() && !dryRun) {    $.logError("Development environment detected. Aborting!");    Deno.exit(1);  }  $.logStep("Fetching latest configuration...");  const [url, config] = await getLatestDenoConfig(preview);  $.logLight(    `  upgrading to version: ${config.version} ${preview ? "(preview)" : ""}`,  );  $.logStep("Updating config file...");  const cwd = $.path(new URL(".", import.meta.url));  const localConfig = JSONC.parse(    await cwd.join("deno.json").readText(),  ) as unknown as DenoConfig;  for (const [key, value] of Object.entries(config.imports)) {    localConfig.imports[key] = value;  }  const manifest: Manifest = await $.request(    new URL("./install.manifest.json", url),  )    .json();  for (const [key, value] of manifest.mappings) {    localConfig.imports[key] = new URL(value, url).toString();  }  localConfig.tasks = manifest.tasks;  if (dryRun) {    console.log(localConfig);  } else {    await cwd.join("deno.json").writeJsonPretty(localConfig);  }  $.logLight("  complete.");  $.logStep("Updating local application files...");  const progress = $.progress({    message: "Updating application files...",    length: manifest.dirs.length + manifest.files.length,  });  await progress.with(async () => {    for (const dir of manifest.dirs) {      await cwd.join(dir).mkdir({ recursive: true });      progress.increment();    }    for (const item of manifest.files) {      const req = $.request(new URL(item, url));      if (dryRun) {        if (!(await req).ok) {          $.logError(`Unable to fetch: ${item}`);        }      } else {        await req.pipeToPath(cwd.join(item));      }      progress.increment();    }  });  $.logLight("  complete.");  await extract(cwd);  $.logStep("Done.");  console.log(    `\n\nUpgrade of %ckview%c is complete.`,    "color:green",    "color:none",  );}
main();