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ReleaseNote.md

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0.2.2

  • The 'infix' operator was introduced. Normally JSON-FP will evaluate the expression option before evaluating the expression itself. That may lead to a problem that we can only work on input as a whole instead of working on part of the input. The 'infix' operator can solve the problem.

  • Added the 'head', 'tail' and 'bucket' operator.

  • Cleaned up error handling.

  • Added the quicksort and word-count test cases.

0.2.1

  • The concept of streaming data was introduced. In particular, the iterator stream was introduced to void the usage of for-loop.

  • The supprot of the {_input: , _expr: } format to change expression input has been dropped in favor of the chain operator. The same effect can be achieved by specifying input as the first expression of the chained expressions.

0.2.0

  • Starting from this release, it's required to run jsonfp.init() before the runtime engine can start evaluating expressions.

  • Using layers to provide customized functions to a JSON-FP runtime.

  • Added the 'random' and 'clone' operator. Check Built-in Operators for details.

  • The 'true' or 'false' expression of the 'if' operator should be lazily evaluated. This release correctly made it so.

  • Fixed bugs where the value '0' was mistaken as null or undefined.

0.1.2

  • The following operators are added: bitwise and, or, exclusive-or.

0.1.1

  • Formalized how customized operators are implemented and installed to a JSON-FP runtime.

0.1.0

  • Added the formula operator for metaprogramming. Developers now can use the formula operator to define a JSON-FP formula and use the convert operator to apply a formula.

0.0.9

  • Added the if operator.
  • Allowed variable settings through the context variable.
  • Allowed expression option to be null.

0.0.8

  • '->' is an alias of the 'chain' operator, if that makes things more readable.
  • The reduce operator now also has a shorter format. Check builtinOp for details.

0.0.7

  • Allowed expression input to be null.
  • Besides promise, developers can also use callback to handle asynchronous calls.

0.0.6

  • Built-in operators have been substantially expanded and those operators are grouped into 'arithmetic', 'arrays', 'collections' and 'comparators' modules.
  • An operator can specify if JSON-FP should evaluate its expression value or not. With such a feature, JSON-FP developers could omit the 'def' operator and make JSON-FP expressions more succint.

0.0.5

  • Added promise support. With the new feature, a JSON-FP program can intake promised input. Also, if you add customized JSON-FP operators (transformations) whose output is a promise, JSON-FP can handle them properly.

0.0.4

  • cleared up syntax (please check README for details)
  • supported alpha-conversion
  • more operators are supported (add, def, convert, eval, pluck, reduce).
  • much more detailed description in README

0.0.3

  • provided some basic documentation in README
  • built-in operators are tested
  • it's a working prototype now.

0.0.1

  • worked with test cases.