NodeJsServer/source/node_modules/generate-function/example.js at master · zsboss/NodeJsServer · GitHub

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var genfun = require('./')

var multiply = function(a, b) {

return a * b

}

var addAndMultiplyNumber = function(val) {

var fn = genfun()

('function(n) {')

('if (typeof n !== "number") {') // ending a line with { will indent the source

('throw new Error("argument should be a number")')

('}')

('var result = multiply(%d, n+%d)', val, val)

('return result')

('}')

// use fn.toString() if you want to see the generated source

return fn.toFunction({

multiply: multiply

})

}

var addAndMultiply2 = addAndMultiplyNumber(2)

console.log(addAndMultiply2.toString())

console.log('(3 + 2) * 2 =', addAndMultiply2(3))