generatorErrorDemo.js

"use strict";

function* aGenerator() {
    throw new Error("rarg")
}

function runner() {
    var gen = aGenerator()
    gen.next()
}

runner()

/*

node generatorErrorDemo.js

/private/tmp/generatorErrorDemo.js:9
    gen.next()
        ^

Error: rarg
    at aGenerator (/private/tmp/generatorErrorDemo.js:4:11)
    at next (native)
    at runner (/private/tmp/generatorErrorDemo.js:9:9)
    at Object.<anonymous> (/private/tmp/generatorErrorDemo.js:12:1)
    at Module._compile (module.js:434:26)
    at Object.Module._extensions..js (module.js:452:10)
    at Module.load (module.js:355:32)
    at Function.Module._load (module.js:310:12)
    at Function.Module.runMain (module.js:475:10)
    at startup (node.js:117:18)

*/