2f38eec · elk · git.iko.soy

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Show nicer error messages when module initialization fails due to invalid port values

2f38eecEvan Czaplicki13 years ago

libraries/Native/Ports.js+10−2

@@ -48,10 +48,18 @@ Elm.Native.Ports.make = function(elm) {

48 "' was not given an input!");

49 }

50 elm.ports.uses[name] += 1;

51+ try {

51− return converter(value);

52+ return converter(value);

53+ } catch(e) {

54+ throw new Error("Initialization Error on port '" + name + "': \n" + e.message);

55+ }

52 }

56 }

53 function portOut(name, converter, value) {

57 function portOut(name, converter, value) {

58+ try {

54− elm.ports.outgoing[name] = converter(value);

59+ elm.ports.outgoing[name] = converter(value);

60+ } catch(e) {

61+ throw new Error("Initialization Error on port '" + name + "': \n" + e.message);

62+ }

55 return value;

63 return value;

56 }

64 }