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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
/** * Running this script provides a list of suggested files that might be browser-compatible. * It skips test code, benchmark code, internal code and `version.ts` at the root. * * Run using: deno run --allow-read --allow-run _tools/check_browser_compat.ts */
import { walk } from "../fs/walk.ts";import { COPYRIGHT } from "./check_licence.ts";
const ROOT = new URL("../", import.meta.url);const SKIP = [/(test|bench|\/_|\\_|testdata|version.ts)/];const DECLARATION = "// This module is browser compatible.";const CHECK = Deno.args.includes("--check");
function isBrowserCompatible(filePath: string): boolean {  const command = new Deno.Command(Deno.execPath(), {    args: [      "check",      "--no-lock",      "--config",      "browser-compat.tsconfig.json",      filePath,    ],  });  const { success } = command.outputSync();  return success;}
function hasBrowserCompatibleComment(source: string): boolean {  return source.includes(DECLARATION);}
for await (const { path } of walk(ROOT, { exts: [".ts"], skip: SKIP })) {  const source = await Deno.readTextFile(path);  if (isBrowserCompatible(path) && !hasBrowserCompatibleComment(source)) {    if (CHECK) {      console.log(        `${path} is likely browser-compatible and can have the "${DECLARATION}" comment added.`,      );    } else {      const index = source.indexOf(COPYRIGHT);      await Deno.writeTextFile(        path,        source.slice(0, index + COPYRIGHT.length) + "\n" + DECLARATION +          source.slice(index + COPYRIGHT.length),      );    }  }}