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typify-parser

typify type parser

Type signature parser for typify

Build Status NPM version Dependency Status devDependency Status Code Climate

Turns (foo, bar 42) -> quux into

{
  "type": "function",
  "arg": {
    "type": "product",
    "args": [
      {
        "type": "ident",
        "value": "foo"
      },
      {
        "type": "application",
        "callee": {
          "type": "ident",
          "value": "bar"
        },
        "args": [
          {
            "type": "number",
            "value": 42
          }
        ]
      }
    ]
  },
  "result": {
    "type": "ident",
    "value": "quux"
  }
}

Synopsis

var parser = require("typify-parser");
 
// Example from above 
var t = parser("(foo, bar 42) -> quux");
 
// Free vars 
p.freeVars(t);                             // ['bar', 'foo', 'quux'] 
p.freeVars(p("rec list -> () | a & list")) // ['a']