simple-squiggle

A restricted subset of Squiggle
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custom_evaluate_using_factories.js (715B)

      1 const { create, evaluateDependencies, factory } = require('../..')
      2 
      3 // custom implementations of all functions you want to support
      4 const add = (a, b) => a + b
      5 const subtract = (a, b) => a - b
      6 const multiply = (a, b) => a * b
      7 const divide = (a, b) => a / b
      8 
      9 // create factories for the functions, and create an evaluate function with those
     10 // these functions will also be used by the classes like Unit.
     11 const { evaluate } = create({
     12   evaluateDependencies,
     13   createAdd: factory('add', [], () => add),
     14   createSubtract: factory('subtract', [], () => subtract),
     15   createMultiply: factory('multiply', [], () => multiply),
     16   createDivide: factory('divide', [], () => divide)
     17 })
     18 
     19 console.log(evaluate('2 + 3 * 4')) // 14