Function customFunction

test/unit-tests/expression/node/ConditionalNode.test.js:284–292

(node, options)

  it('should stringify a ConditionalNode with custom toString', function () {
    // Also checks if the custom functions get passed on to the children
    const customFunction = function (node, options) {
      if (node.type === 'ConditionalNode') {
        return 'if ' + node.condition.toString(options) +
          ' then ' + node.trueExpr.toString(options) +
          ' else ' + node.falseExpr.toString(options)
      } else if (node.type === 'ConstantNode') {
        return 'const(' + node.value + ', ' + math.typeOf(node.value) + ')'
      }
    }

    const a = new ConstantNode(1)
    const b = new ConstantNode(2)