Skip to content

3.42.0 - 2025.04.30

Latest
Compare
Choose a tag to compare
@zloirock zloirock released this 29 Apr 18:03
· 15 commits to master since this release
  • Changes v3.41.0...v3.42.0 (142 commits)
  • Map upsert proposal:
    • Moved to stage 2.7, April 2025 TC39 meeting
    • Validation order of WeakMap.prototype.getOrInsertComputed updated following tc39/proposal-upsert#79
    • Built-ins:
      • Map.prototype.getOrInsert
      • Map.prototype.getOrInsertComputed
      • WeakMap.prototype.getOrInsert
      • WeakMap.prototype.getOrInsertComputed
  • Don't call well-known Symbol methods for RegExp on primitive values following tc39/ecma262#3009:
    • For avoid performance regression, temporarily, only in own core-js implementations
    • Built-ins:
      • String.prototype.matchAll
      • String.prototype.match
      • String.prototype.replaceAll
      • String.prototype.replace
      • String.prototype.search
      • String.prototype.split
  • Added workaround for the Uint8Array.prototype.setFromBase64 bug in some of Linux builds of WebKit
  • Implemented early-error iterator closing following tc39/ecma262#3467, including fix of a WebKit bug, in the following methods:
    • Iterator.prototype.drop
    • Iterator.prototype.every
    • Iterator.prototype.filter
    • Iterator.prototype.find
    • Iterator.prototype.flatMap
    • Iterator.prototype.forEach
    • Iterator.prototype.map
    • Iterator.prototype.reduce
    • Iterator.prototype.some
    • Iterator.prototype.take
  • Fixed missing forced replacement of AsyncIterator helpers
  • Added closing of sync iterator when async wrapper yields a rejection following tc39/ecma262#2600. Affected methods:
  • Added detection for throwing on undefined initial parameter in Iterator.prototype.reduce (see WebKit bug)
  • core-js-compat and core-js-builder API:
    • Added 'intersect' support for targets.esmodules (Babel 7 behavior)
    • Fixed handling of targets.esmodules: true (Babel 7 behavior)
  • Compat data improvements: