@tanstack/db/dist/cjs/utils.cjs.map

A reactive client store for building super fast apps on sync

{"version":3,"file":"utils.cjs","sources":["../../src/utils.ts"],"sourcesContent":["/**\n * Generic utility functions\n */\n\n/**\n * Deep equality function that compares two values recursively\n *\n * @param a - First value to compare\n * @param b - Second value to compare\n * @returns True if the values are deeply equal, false otherwise\n *\n * @example\n * ```typescript\n * deepEquals({ a: 1, b: 2 }, { b: 2, a: 1 }) // true (property order doesn't matter)\n * deepEquals([1, { x: 2 }], [1, { x: 2 }]) // true\n * deepEquals({ a: 1 }, { a: 2 }) // false\n * ```\n */\nexport function deepEquals(a: any, b: any): boolean {\n  return deepEqualsInternal(a, b, new Map())\n}\n\n/**\n * Internal implementation with cycle detection to prevent infinite recursion\n */\nfunction deepEqualsInternal(\n  a: any,\n  b: any,\n  visited: Map<object, object>\n): boolean {\n  // Handle strict equality (primitives, same reference)\n  if (a === b) return true\n\n  // Handle null/undefined\n  if (a == null || b == null) return false\n\n  // Handle different types\n  if (typeof a !== typeof b) return false\n\n  // Handle arrays\n  if (Array.isArray(a)) {\n    if (!Array.isArray(b) || a.length !== b.length) return false\n\n    // Check for circular references\n    if (visited.has(a)) {\n      return visited.get(a) === b\n    }\n    visited.set(a, b)\n\n    const result = a.every((item, index) =>\n      deepEqualsInternal(item, b[index], visited)\n    )\n    visited.delete(a)\n    return result\n  }\n\n  // Handle objects\n  if (typeof a === `object`) {\n    // Check for circular references\n    if (visited.has(a)) {\n      return visited.get(a) === b\n    }\n    visited.set(a, b)\n\n    // Get all keys from both objects\n    const keysA = Object.keys(a)\n    const keysB = Object.keys(b)\n\n    // Check if they have the same number of keys\n    if (keysA.length !== keysB.length) {\n      visited.delete(a)\n      return false\n    }\n\n    // Check if all keys exist in both objects and their values are equal\n    const result = keysA.every(\n      (key) => key in b && deepEqualsInternal(a[key], b[key], visited)\n    )\n\n    visited.delete(a)\n    return result\n  }\n\n  // For primitives that aren't strictly equal\n  return false\n}\n"],"names":[],"mappings":";;AAkBO,SAAS,WAAW,GAAQ,GAAiB;AAClD,SAAO,mBAAmB,GAAG,GAAG,oBAAI,KAAK;AAC3C;AAKA,SAAS,mBACP,GACA,GACA,SACS;AAET,MAAI,MAAM,EAAG,QAAO;AAGpB,MAAI,KAAK,QAAQ,KAAK,KAAM,QAAO;AAGnC,MAAI,OAAO,MAAM,OAAO,EAAG,QAAO;AAGlC,MAAI,MAAM,QAAQ,CAAC,GAAG;AACpB,QAAI,CAAC,MAAM,QAAQ,CAAC,KAAK,EAAE,WAAW,EAAE,OAAQ,QAAO;AAGvD,QAAI,QAAQ,IAAI,CAAC,GAAG;AAClB,aAAO,QAAQ,IAAI,CAAC,MAAM;AAAA,IAC5B;AACA,YAAQ,IAAI,GAAG,CAAC;AAEhB,UAAM,SAAS,EAAE;AAAA,MAAM,CAAC,MAAM,UAC5B,mBAAmB,MAAM,EAAE,KAAK,GAAG,OAAO;AAAA,IAAA;AAE5C,YAAQ,OAAO,CAAC;AAChB,WAAO;AAAA,EACT;AAGA,MAAI,OAAO,MAAM,UAAU;AAEzB,QAAI,QAAQ,IAAI,CAAC,GAAG;AAClB,aAAO,QAAQ,IAAI,CAAC,MAAM;AAAA,IAC5B;AACA,YAAQ,IAAI,GAAG,CAAC;AAGhB,UAAM,QAAQ,OAAO,KAAK,CAAC;AAC3B,UAAM,QAAQ,OAAO,KAAK,CAAC;AAG3B,QAAI,MAAM,WAAW,MAAM,QAAQ;AACjC,cAAQ,OAAO,CAAC;AAChB,aAAO;AAAA,IACT;AAGA,UAAM,SAAS,MAAM;AAAA,MACnB,CAAC,QAAQ,OAAO,KAAK,mBAAmB,EAAE,GAAG,GAAG,EAAE,GAAG,GAAG,OAAO;AAAA,IAAA;AAGjE,YAAQ,OAAO,CAAC;AAChB,WAAO;AAAA,EACT;AAGA,SAAO;AACT;;"}