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johnstew/async-await-7.js

Created July 17, 2017 12:35
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async-await-7.js
class Foo {
async getData() {
try {
const f1 = await this.fakeAsyncCall();
const f2 = await this.fakeAsyncCall();
const f3 = await this.fakeAsyncCall();
const f4 = await this.fakeAsyncCall();
console.log(f1, f2, f3, f4); // 'foo data' x 4
} catch (error) {
console.error(`Uh oh: ${error}`);
}
}
fakeAsyncCall(resultText = 'foo data') {
return new Promise((resolve, reject) => {
if (typeof resultText !== 'string') {
return reject('result text should equal string');
}
setTimeout(() => { resolve(resultText) }, 1000);
});
}
}
new Foo().getData();
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