javascript - can't find variable function declaration react native - Stack Overflow

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I get the error "variable uploadImageAsync cannot be found"

uploadImageAsync = async (uri) => {
  console.log("In upload image asnyc!");
}

And this is where I call it from.

_handleImagePicked = async pickerResult => {
let uploadResponse, uploadResult;

  this.setState({ uploading: true });

  if (!pickerResult.cancelled) {
    uploadResponse = await uploadImageAsync(pickerResult.uri);
    uploadResult = await uploadResponse.json();
    this.setState({ image: uploadResult.location });
  }
    this.setState({ uploading: false });
};

How can I get around this?

So far I've tried:

async function uploadImageAsync(uri) {

I've also tried:

async uploadImageAsync(uri) {

I get the error "variable uploadImageAsync cannot be found"

uploadImageAsync = async (uri) => {
  console.log("In upload image asnyc!");
}

And this is where I call it from.

_handleImagePicked = async pickerResult => {
let uploadResponse, uploadResult;

  this.setState({ uploading: true });

  if (!pickerResult.cancelled) {
    uploadResponse = await uploadImageAsync(pickerResult.uri);
    uploadResult = await uploadResponse.json();
    this.setState({ image: uploadResult.location });
  }
    this.setState({ uploading: false });
};

How can I get around this?

So far I've tried:

async function uploadImageAsync(uri) {

I've also tried:

async uploadImageAsync(uri) {

• javascript
• asynchronous
• react-native

Share Improve this question Follow edited Nov 18, 2017 at 12:40 Andreas 21.9k77 gold badges5151 silver badges5858 bronze badges asked Nov 18, 2017 at 12:36 SwimmingGSwimmingG 66433 gold badges99 silver badges3333 bronze badges 1

• should you not add a const before uploadImageAsync? – vijayst Commented Nov 18, 2017 at 12:53

Add a ment  | 

1 Answer 1

Sorted by: Reset to default 5

If the uploadImageAsync function defined in the same ponent, you need call this.uploadImageAsync.

Otherwise, you must import it from the other module

or define the function outside the ponent in the same file.

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