core-ts [WIP]

TODO

• [ ] ECMAScript proposals
• [x] Finished proposals
  • [x] Array find from last
• [x] Stage 3 proposals
  • [x] Array grouping
  • [x] Change Array by copy
• [x] Stage 2 proposals
  • [x] Iterator helpers
  • [x] New Set methods
  • [x] Map.prototype.emplace
  • [x] Array.fromAsync
  • [x] Array.isTemplateObject
  • [x] Symbol.{ asyncDispose, dispose } for using statement
  • [x] Symbol.metadataKey for decorators metadata proposal
• [ ] Stage 1 proposals
  • [ ] Observable
  • [ ] New collections methods
  • [ ] .of and .from methods on collection constructors
  • [ ] compositeKey and compositeSymbol
  • [ ] Array filtering
  • [ ] Array deduplication
  • [ ] Getting last item from Array
  • [ ] Number.range
  • [ ] Number.fromString
  • [ ] Math extensions
  • [ ] Math.signbit
  • [ ] String.cooked
  • [ ] String.prototype.codePoints
  • [ ] Symbol.matcher for pattern matching
• [ ] Stage 0 proposals
  • [ ] Function.prototype.unThis
  • [ ] Function.{ isCallable, isConstructor }
  • [ ] URL
• [ ] Pre-stage 0 proposals
  • [ ] Reflect metadata