Uncaught TypeError “is not a function” in js interop callback function
I have created this sample project: https://github.com/mfMeds/jsdart
to reproduce my error.
The error:
main.dart.js:5036 Uncaught TypeError: J.ab(...).ge5 is not a function
at Object.J.fm (main.dart.js:5036)
at cH.dart.cH.eu (main.dart.js:4962)
at Object.eval (eval at di (main.dart.js:786), <anonymous>:3:36)
at Object.ir (main.dart.js:628)
at dart.kZ (main.dart.js:4005)
at ChartElement.<anonymous> (main.dart.js:3998)
at ChartElement.update (Chart.js:8803)
at ChartElement.handleEvent (Chart.js:9100)
at Chart.eventHandler (Chart.js:4521)
at listener (Chart.js:4455)
Only when I am using an attribute of the variable a
I am getting this error. With window.console.log(a)
it is logging the object without error.
My error happens here: https://github.com/mfMeds/jsdart/blob/master/lib/src/zgraph/zgraph.dart#L80
@override
ngAfterViewInit() {
List<String> myDays = new List();
List<double> myData = new List();
myDays.add('Monday');
myData.add(12.0);
var data = new LinearChartData(labels: myDays, datasets: <ChartDataSets>[
new ChartDataSets(label: 'My Label', steppedLine: true, data: myData),
]);
var aOptions = new ChartAnimationOptions();
var config = new ChartConfiguration(
type: 'bar',
data: data,
options: new ChartOptions(
responsive: true,
maintainAspectRatio: false,
legend: new ChartLegendOptions(display: false),
//scales: new ChartScales(yAxes: [new ChartYAxe(ticks: new TickOptions(max:20))]),
animation: aOptions,
tooltips: new ChartTooltipOptions(
enabled: false,
custom: allowInterop(customTooltip), // <-- binding the method here
)));
new Chart(mycanvas, config);
}
void customTooltip(dynamic a) {
window.console.log(a);
if (a.opacity == 0) { // <-- The error happens here
//tooltipEl.style.opacity = '0';
return;
}
}
When I am serving the application like that everything works:
pub global run webdev serve web:xxxx.
Only when building the application like that I get this error:
pub global run webdev build --output=web:build
dart dart-js-interop
add a comment |
I have created this sample project: https://github.com/mfMeds/jsdart
to reproduce my error.
The error:
main.dart.js:5036 Uncaught TypeError: J.ab(...).ge5 is not a function
at Object.J.fm (main.dart.js:5036)
at cH.dart.cH.eu (main.dart.js:4962)
at Object.eval (eval at di (main.dart.js:786), <anonymous>:3:36)
at Object.ir (main.dart.js:628)
at dart.kZ (main.dart.js:4005)
at ChartElement.<anonymous> (main.dart.js:3998)
at ChartElement.update (Chart.js:8803)
at ChartElement.handleEvent (Chart.js:9100)
at Chart.eventHandler (Chart.js:4521)
at listener (Chart.js:4455)
Only when I am using an attribute of the variable a
I am getting this error. With window.console.log(a)
it is logging the object without error.
My error happens here: https://github.com/mfMeds/jsdart/blob/master/lib/src/zgraph/zgraph.dart#L80
@override
ngAfterViewInit() {
List<String> myDays = new List();
List<double> myData = new List();
myDays.add('Monday');
myData.add(12.0);
var data = new LinearChartData(labels: myDays, datasets: <ChartDataSets>[
new ChartDataSets(label: 'My Label', steppedLine: true, data: myData),
]);
var aOptions = new ChartAnimationOptions();
var config = new ChartConfiguration(
type: 'bar',
data: data,
options: new ChartOptions(
responsive: true,
maintainAspectRatio: false,
legend: new ChartLegendOptions(display: false),
//scales: new ChartScales(yAxes: [new ChartYAxe(ticks: new TickOptions(max:20))]),
animation: aOptions,
tooltips: new ChartTooltipOptions(
enabled: false,
custom: allowInterop(customTooltip), // <-- binding the method here
)));
new Chart(mycanvas, config);
}
void customTooltip(dynamic a) {
window.console.log(a);
if (a.opacity == 0) { // <-- The error happens here
//tooltipEl.style.opacity = '0';
return;
}
}
When I am serving the application like that everything works:
pub global run webdev serve web:xxxx.
Only when building the application like that I get this error:
pub global run webdev build --output=web:build
dart dart-js-interop
add a comment |
I have created this sample project: https://github.com/mfMeds/jsdart
to reproduce my error.
The error:
main.dart.js:5036 Uncaught TypeError: J.ab(...).ge5 is not a function
at Object.J.fm (main.dart.js:5036)
at cH.dart.cH.eu (main.dart.js:4962)
at Object.eval (eval at di (main.dart.js:786), <anonymous>:3:36)
at Object.ir (main.dart.js:628)
at dart.kZ (main.dart.js:4005)
at ChartElement.<anonymous> (main.dart.js:3998)
at ChartElement.update (Chart.js:8803)
at ChartElement.handleEvent (Chart.js:9100)
at Chart.eventHandler (Chart.js:4521)
at listener (Chart.js:4455)
Only when I am using an attribute of the variable a
I am getting this error. With window.console.log(a)
it is logging the object without error.
My error happens here: https://github.com/mfMeds/jsdart/blob/master/lib/src/zgraph/zgraph.dart#L80
@override
ngAfterViewInit() {
List<String> myDays = new List();
List<double> myData = new List();
myDays.add('Monday');
myData.add(12.0);
var data = new LinearChartData(labels: myDays, datasets: <ChartDataSets>[
new ChartDataSets(label: 'My Label', steppedLine: true, data: myData),
]);
var aOptions = new ChartAnimationOptions();
var config = new ChartConfiguration(
type: 'bar',
data: data,
options: new ChartOptions(
responsive: true,
maintainAspectRatio: false,
legend: new ChartLegendOptions(display: false),
//scales: new ChartScales(yAxes: [new ChartYAxe(ticks: new TickOptions(max:20))]),
animation: aOptions,
tooltips: new ChartTooltipOptions(
enabled: false,
custom: allowInterop(customTooltip), // <-- binding the method here
)));
new Chart(mycanvas, config);
}
void customTooltip(dynamic a) {
window.console.log(a);
if (a.opacity == 0) { // <-- The error happens here
//tooltipEl.style.opacity = '0';
return;
}
}
When I am serving the application like that everything works:
pub global run webdev serve web:xxxx.
Only when building the application like that I get this error:
pub global run webdev build --output=web:build
dart dart-js-interop
I have created this sample project: https://github.com/mfMeds/jsdart
to reproduce my error.
The error:
main.dart.js:5036 Uncaught TypeError: J.ab(...).ge5 is not a function
at Object.J.fm (main.dart.js:5036)
at cH.dart.cH.eu (main.dart.js:4962)
at Object.eval (eval at di (main.dart.js:786), <anonymous>:3:36)
at Object.ir (main.dart.js:628)
at dart.kZ (main.dart.js:4005)
at ChartElement.<anonymous> (main.dart.js:3998)
at ChartElement.update (Chart.js:8803)
at ChartElement.handleEvent (Chart.js:9100)
at Chart.eventHandler (Chart.js:4521)
at listener (Chart.js:4455)
Only when I am using an attribute of the variable a
I am getting this error. With window.console.log(a)
it is logging the object without error.
My error happens here: https://github.com/mfMeds/jsdart/blob/master/lib/src/zgraph/zgraph.dart#L80
@override
ngAfterViewInit() {
List<String> myDays = new List();
List<double> myData = new List();
myDays.add('Monday');
myData.add(12.0);
var data = new LinearChartData(labels: myDays, datasets: <ChartDataSets>[
new ChartDataSets(label: 'My Label', steppedLine: true, data: myData),
]);
var aOptions = new ChartAnimationOptions();
var config = new ChartConfiguration(
type: 'bar',
data: data,
options: new ChartOptions(
responsive: true,
maintainAspectRatio: false,
legend: new ChartLegendOptions(display: false),
//scales: new ChartScales(yAxes: [new ChartYAxe(ticks: new TickOptions(max:20))]),
animation: aOptions,
tooltips: new ChartTooltipOptions(
enabled: false,
custom: allowInterop(customTooltip), // <-- binding the method here
)));
new Chart(mycanvas, config);
}
void customTooltip(dynamic a) {
window.console.log(a);
if (a.opacity == 0) { // <-- The error happens here
//tooltipEl.style.opacity = '0';
return;
}
}
When I am serving the application like that everything works:
pub global run webdev serve web:xxxx.
Only when building the application like that I get this error:
pub global run webdev build --output=web:build
dart dart-js-interop
dart dart-js-interop
edited Nov 21 '18 at 13:02


rinukkusu
15.1k34257
15.1k34257
asked Nov 21 '18 at 12:26
GeroTreemanGeroTreeman
405
405
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
In the docs they write:
The properties of the JavaScript object are accessible via the and = operators. Methods are callable via callMethod.
I tried this also, but it does not work...
I found a other solution. dynamic a is a js object. You can access js objects with js.getProperty I made a class for this:
import 'package:js/js_util.dart' as js;
class JsObject {
final dynamic _object;
const JsObject(this._object);
dynamic operator(String name) => js.getProperty(_object, name);
operator=(String name, dynamic value) => js.setProperty(_object, name, value);
}
Then you can access with
// a is your js object
var jsA = new JsObject(a);
jsA['YOUR_PROPERTY']
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
In the docs they write:
The properties of the JavaScript object are accessible via the and = operators. Methods are callable via callMethod.
I tried this also, but it does not work...
I found a other solution. dynamic a is a js object. You can access js objects with js.getProperty I made a class for this:
import 'package:js/js_util.dart' as js;
class JsObject {
final dynamic _object;
const JsObject(this._object);
dynamic operator(String name) => js.getProperty(_object, name);
operator=(String name, dynamic value) => js.setProperty(_object, name, value);
}
Then you can access with
// a is your js object
var jsA = new JsObject(a);
jsA['YOUR_PROPERTY']
add a comment |
In the docs they write:
The properties of the JavaScript object are accessible via the and = operators. Methods are callable via callMethod.
I tried this also, but it does not work...
I found a other solution. dynamic a is a js object. You can access js objects with js.getProperty I made a class for this:
import 'package:js/js_util.dart' as js;
class JsObject {
final dynamic _object;
const JsObject(this._object);
dynamic operator(String name) => js.getProperty(_object, name);
operator=(String name, dynamic value) => js.setProperty(_object, name, value);
}
Then you can access with
// a is your js object
var jsA = new JsObject(a);
jsA['YOUR_PROPERTY']
add a comment |
In the docs they write:
The properties of the JavaScript object are accessible via the and = operators. Methods are callable via callMethod.
I tried this also, but it does not work...
I found a other solution. dynamic a is a js object. You can access js objects with js.getProperty I made a class for this:
import 'package:js/js_util.dart' as js;
class JsObject {
final dynamic _object;
const JsObject(this._object);
dynamic operator(String name) => js.getProperty(_object, name);
operator=(String name, dynamic value) => js.setProperty(_object, name, value);
}
Then you can access with
// a is your js object
var jsA = new JsObject(a);
jsA['YOUR_PROPERTY']
In the docs they write:
The properties of the JavaScript object are accessible via the and = operators. Methods are callable via callMethod.
I tried this also, but it does not work...
I found a other solution. dynamic a is a js object. You can access js objects with js.getProperty I made a class for this:
import 'package:js/js_util.dart' as js;
class JsObject {
final dynamic _object;
const JsObject(this._object);
dynamic operator(String name) => js.getProperty(_object, name);
operator=(String name, dynamic value) => js.setProperty(_object, name, value);
}
Then you can access with
// a is your js object
var jsA = new JsObject(a);
jsA['YOUR_PROPERTY']
answered Nov 22 '18 at 8:20
GeroTreemanGeroTreeman
405
405
add a comment |
add a comment |
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