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How to get reference to Component from inside an event method
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I have a JavaScript helper method which handles a message sent from a child iframe
handleMessage: function (event)
console.log('handleMessage');
console.log(JSON.parse(JSON.stringify(event.data)));
,
The helper method is set during OnInit:
onInit: function (cmp, event, helper)
window.addEventListener("message", $A.getCallback(helper.handleMessage));
,
Once a message arrives in handleMessage I need a reference to cmp or component but I do not have it.
Question
- How can I access
cmporcomponentfrom inside thehandleMessagehelper method?
javascript helper component
asked 6 hours ago
RobsRobs
2,845743
add a comment |
I have a JavaScript helper method which handles a message sent from a child iframe
handleMessage: function (event)
console.log('handleMessage');
console.log(JSON.parse(JSON.stringify(event.data)));
,
The helper method is set during OnInit:
onInit: function (cmp, event, helper)
window.addEventListener("message", $A.getCallback(helper.handleMessage));
,
Once a message arrives in handleMessage I need a reference to cmp or component but I do not have it.
Question
- How can I access
cmporcomponentfrom inside thehandleMessagehelper method?
javascript helper component
asked 6 hours ago
RobsRobs
2,845743
add a comment |
I have a JavaScript helper method which handles a message sent from a child iframe
handleMessage: function (event)
console.log('handleMessage');
console.log(JSON.parse(JSON.stringify(event.data)));
,
The helper method is set during OnInit:
onInit: function (cmp, event, helper)
window.addEventListener("message", $A.getCallback(helper.handleMessage));
,
Once a message arrives in handleMessage I need a reference to cmp or component but I do not have it.
Question
- How can I access
cmporcomponentfrom inside thehandleMessagehelper method?
javascript helper component
asked 6 hours ago
RobsRobs
2,845743
I have a JavaScript helper method which handles a message sent from a child iframe
handleMessage: function (event)
console.log('handleMessage');
console.log(JSON.parse(JSON.stringify(event.data)));
,
The helper method is set during OnInit:
onInit: function (cmp, event, helper)
window.addEventListener("message", $A.getCallback(helper.handleMessage));
,
Once a message arrives in handleMessage I need a reference to cmp or component but I do not have it.
Question
- How can I access
cmporcomponentfrom inside thehandleMessagehelper method?
javascript helper component
javascript helper component
asked 6 hours ago
RobsRobs
2,845743
asked 6 hours ago
RobsRobs
2,845743
edited 5 hours ago
Robs
asked 6 hours ago
RobsRobs
2,845743
asked 6 hours ago
RobsRobs
2,845743
asked 6 hours ago
RobsRobs
2,845743
2,845743
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You can bind it to the function call. You'd want to make the following changes:
// Helper function
handleMessage: function (cmp, event)
console.log('handleMessage');
console.log(JSON.parse(JSON.stringify(event.data)));
,
// Main code
onInit: function (cmp, event, helper)
window.addEventListener("message", $A.getCallback(helper.handleMessage.bind(helper, cmp)));
,
answered 5 hours ago
sfdcfoxsfdcfox
270k13217467
add a comment |
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1 Answer
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oldest
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You can bind it to the function call. You'd want to make the following changes:
// Helper function
handleMessage: function (cmp, event)
console.log('handleMessage');
console.log(JSON.parse(JSON.stringify(event.data)));
,
// Main code
onInit: function (cmp, event, helper)
window.addEventListener("message", $A.getCallback(helper.handleMessage.bind(helper, cmp)));
,
answered 5 hours ago
sfdcfoxsfdcfox
270k13217467
add a comment |
You can bind it to the function call. You'd want to make the following changes:
// Helper function
handleMessage: function (cmp, event)
console.log('handleMessage');
console.log(JSON.parse(JSON.stringify(event.data)));
,
// Main code
onInit: function (cmp, event, helper)
window.addEventListener("message", $A.getCallback(helper.handleMessage.bind(helper, cmp)));
,
answered 5 hours ago
sfdcfoxsfdcfox
270k13217467
add a comment |
You can bind it to the function call. You'd want to make the following changes:
// Helper function
handleMessage: function (cmp, event)
console.log('handleMessage');
console.log(JSON.parse(JSON.stringify(event.data)));
,
// Main code
onInit: function (cmp, event, helper)
window.addEventListener("message", $A.getCallback(helper.handleMessage.bind(helper, cmp)));
,
answered 5 hours ago
sfdcfoxsfdcfox
270k13217467
You can bind it to the function call. You'd want to make the following changes:
// Helper function
handleMessage: function (cmp, event)
console.log('handleMessage');
console.log(JSON.parse(JSON.stringify(event.data)));
,
// Main code
onInit: function (cmp, event, helper)
window.addEventListener("message", $A.getCallback(helper.handleMessage.bind(helper, cmp)));
,
answered 5 hours ago
sfdcfoxsfdcfox
270k13217467
answered 5 hours ago
sfdcfoxsfdcfox
270k13217467
answered 5 hours ago
sfdcfoxsfdcfox
270k13217467
answered 5 hours ago
sfdcfoxsfdcfox
270k13217467
270k13217467
add a comment |
add a comment |
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