Function genChunkName

packages/docusaurus/src/server/codegen/codegenRoutes.ts:55–82

(
  modulePath: string,
  prefix?: string,
  preferredName?: string,
  shortId: boolean = process.env.NODE_ENV === 'production',
)

 * other characters. Useful for bundle size. Defaults to `true` in production.
 */
export function genChunkName(
  modulePath: string,
  prefix?: string,
  preferredName?: string,
  shortId: boolean = process.env.NODE_ENV === 'production',
): string {
  let chunkName = chunkNameCache.get(modulePath);
  if (!chunkName) {
    if (shortId) {
      chunkName = simpleHash(modulePath, 8);
    } else {
      let str = modulePath;
      if (preferredName) {
        const shortHash = simpleHash(modulePath, 3);
        str = `${preferredName}${shortHash}`;
      }
      const name = docuHash(str);
      chunkName = prefix ? `${prefix}---${name}` : name;
    }
    const seenCount = (chunkNameCount.get(chunkName) ?? 0) + 1;
    if (seenCount > 1) {
      chunkName += seenCount.toString(36);
    }
    chunkNameCache.set(modulePath, chunkName);
    chunkNameCount.set(chunkName, seenCount);
  }
  return chunkName;
}

/**
 * Takes a piece of route config, and serializes it into raw JS code. The shape