Connecting to Data
Working With Queries
Writing Data
Working with DataTables
Working with DataSets
Working with Components
Working With Data Events
Working with Themes
Utilities
wire.data.DataPromise
Methods
Use the following methods on data promises.
Name
Description
resolve(data)
Resolves a promise as successful and returns the
data.reject
Rejects a promise.
Events
Use the following callbacks when working with data promises.
Name
Description
always
Called when a promise is either resolved or rejected.
done
Called when a promise is resolved.
fail
Called when a promise is rejected.
processing
Called when a promise is pending an update.
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const promise = new wire.data.DataPromise();
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​
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promise
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.done( (data) => {
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// data is avaialble
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})
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.processing( () => {
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// new query is running
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})
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.fail( (ex) => {
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// processing failed
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// do something with the exception object
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})
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.always( () => {
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// all done whether fail or success
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// clean up
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});
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