Hello,
in Ionic TypeScript application, I’m trying to create class functions functionality to send value from page to services, set and get result, return it to home page :
In home.page.ts
I have variable value
, I want set this value from home.page.ts
with data.service.ts
and get it back in home.page.ts
to display in html {{value}}
:
export class HomePage {
value: any;
I’m passing numeric values with var value = this.myService(1, 3)
function:
getTextData() {
this.value = this.myService(1, 0);
}
from home.page.ts
:
async myService(item, set) {
this.value = await this.dataService.returnData(item, set);
this.console(this.value);
return this.value;
}
to data.service.ts
which successfully shows result from console, but does not returns value to home.page.ts
. this.console(this.value);
from home.page.ts
returns [object Promise]
from data.service.ts
, whereconsole.log(item+'\n'+set);
shows received values from home.page.ts
:
returnData(item, set) {
this.serviceFunction(item, set);
console.log(item+'\n'+set);
}
and console.log(this.result);
from following serviceFunction(item, set)
function, which result wants to be attached to home.page.ts
this.value
:
serviceFunction(item, set) {
this.result = response[item].title[set];
console.log(this.result);
}
It seems like, I’m using something completely wrong, because I’m only sending parameters with request function in data.service.ts
without set of variable in data.service.ts
.
I’ve tried inside the return Promise.resolve
:
returnData(item, set) {
return Promise.resolve(
this.serviceFunction(item, set)
);
}
return after serviceFunction
:
returnData(item, set) {
this.serviceFunction(item, set);
return this.result;
}
and set before Promise.resolve
:
returnData(item, set) {
this.serviceFunction(item, set);
return Promise.resolve(this.result);
}
or:
returnData(item, set): Promise<any> {
return this.serviceFunction(item, set);
}
and from home.page.ts
:
myService(item, set) {
this.dataService.returnData(item, set)
.then(data => {
var result = data;
console.log(result);
});
}
In this case Property .then does not exist on type void.
:
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