Method _hash

src/tools/dedup.js:84–87

* Compute a stable hash for (toolName, args). Uses sorted JSON to be * insensitive to argument-key order.

(name, args)

   * insensitive to argument-key order.
   */
  _hash(name, args) {
    const norm = JSON.stringify(args || {}, Object.keys(args || {}).sort());
    return crypto.createHash('sha1').update(name + '|' + norm).digest('hex').slice(0, 16);
  }

  /**
   * Check whether (name, args) was just executed. Returns the cached result