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天文台pc/tianwentai-ui/node_modules/jiti/lib/jiti-hooks.mjs 3.48 KB
bc518174   王天杨   提交两个项目文件
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  import { dirname, join } from "node:path";
  import { fileURLToPath } from "node:url";
  import { existsSync } from "node:fs";
  import { readFile } from "node:fs/promises";
  import { isBuiltin } from "node:module";
  import { createJiti } from "./jiti.mjs";
  
  let jiti;
  
  // https://nodejs.org/api/module.html#initialize
  export async function initialize() {
    jiti = createJiti();
  }
  
  // https://nodejs.org/api/module.html#resolvespecifier-context-nextresolve
  export async function resolve(specifier, context, nextResolve) {
    if (_shouldSkip(specifier)) {
      return nextResolve(specifier, context);
    }
    const resolvedPath = jiti.esmResolve(specifier, {
      parentURL: context?.parentURL,
      conditions: context?.conditions,
    });
    return {
      url: resolvedPath,
      shortCircuit: true,
    };
  }
  
  // https://nodejs.org/api/module.html#loadurl-context-nextload
  export async function load(url, context, nextLoad) {
    if (_shouldSkip(url)) {
      return nextLoad(url, context);
    }
  
    const filename = fileURLToPath(url);
  
    if (url.endsWith(".js")) {
      const pkg = await _findClosestPackageJson(dirname(filename));
      if (pkg && pkg.type === "module") {
        return nextLoad(url, context);
      }
    }
  
    const rawSource = await readFile(filename, "utf8");
  
    if (url.endsWith(".json")) {
      const pkg = await _findClosestPackageJson(dirname(filename));
      return pkg && pkg.type === "module"
        ? {
            source: `export default ${rawSource}`,
            format: "module",
            shortCircuit: true,
          }
        : {
            source: `module.exports = ${rawSource}`,
            format: "commonjs",
            shortCircuit: true,
          };
    }
  
    const transpiledSource = jiti.transform({
      source: rawSource,
      filename: filename,
      ts: url.endsWith("ts"),
      retainLines: true,
      async: true,
      jsx: jiti.options.jsx,
    });
  
    if (url.endsWith(".js") && !transpiledSource.includes("jitiImport")) {
      return {
        source: transpiledSource,
        format: "commonjs",
        shortCircuit: true,
      };
    }
  
    return {
      source: _wrapSource(transpiledSource, filename),
      format: "module",
      shortCircuit: true,
    };
  }
  
  function _wrapSource(source, filename) {
    const _jitiPath = new URL("jiti.mjs", import.meta.url).href;
    return /*js*/ `import { createJiti as __createJiti__ } from ${JSON.stringify(_jitiPath)};async function _module(exports, require, module, __filename, __dirname, jitiImport) { ${source}\n};
  // GENERATED BY JITI ESM LOADER
  const filename = ${JSON.stringify(filename)};
  const dirname = ${JSON.stringify(dirname(filename))};
  const jiti = __createJiti__(filename);
  const module = { exports: Object.create(null) };
  await _module(module.exports, jiti, module, filename, dirname, jiti.import);
  if (module.exports && module.exports.__JITI_ERROR__) {
    const { filename, line, column, code, message } =
    module.exports.__JITI_ERROR__;
    const loc = [filename, line, column].join(':');
    const err = new Error(code + ": " + message + " " + loc);
    Error.captureStackTrace(err, _module);
    throw err;
  }
  export default module.exports;
    `;
  }
  
  function _shouldSkip(url) {
    return (
      !jiti ||
      url.endsWith(".mjs") ||
      url.endsWith(".cjs") ||
      (!url.startsWith("./") && !url.startsWith("file://")) ||
      isBuiltin(url)
    );
  }
  
  async function _findClosestPackageJson(dir) {
    if (dir === "/") return null;
    const packageJsonPath = join(dir, "package.json");
    if (existsSync(packageJsonPath)) {
      return JSON.parse(await readFile(packageJsonPath, "utf8"));
    }
    return _findClosestPackageJson(dirname(dir));
  }