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p-retry

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Comparing version 4.6.1 to 5.0.0

137

index.d.ts
import {OperationOptions} from 'retry';
declare class AbortErrorClass extends Error {
export class AbortError extends Error {
readonly name: 'AbortError';

@@ -10,3 +10,3 @@ readonly originalError: Error;

@param message - Error message or custom error.
@param message - An error message or a custom error.
*/

@@ -16,93 +16,76 @@ constructor(message: string | Error);

declare namespace pRetry {
interface FailedAttemptError extends Error {
readonly attemptNumber: number;
readonly retriesLeft: number;
}
export interface FailedAttemptError extends Error {
readonly attemptNumber: number;
readonly retriesLeft: number;
}
interface Options extends OperationOptions {
/**
Callback invoked on each retry. Receives the error thrown by `input` as the first argument with properties `attemptNumber` and `retriesLeft` which indicate the current attempt number and the number of attempts left, respectively.
export interface Options extends OperationOptions {
/**
Callback invoked on each retry. Receives the error thrown by `input` as the first argument with properties `attemptNumber` and `retriesLeft` which indicate the current attempt number and the number of attempts left, respectively.
The `onFailedAttempt` function can return a promise. For example, to add a [delay](https://github.com/sindresorhus/delay):
The `onFailedAttempt` function can return a promise. For example, to add a [delay](https://github.com/sindresorhus/delay):
```
import pRetry = require('p-retry');
import delay = require('delay');
```
import pRetry from 'p-retry';
import delay from 'delay';
const run = async () => { ... };
const run = async () => { ... };
(async () => {
const result = await pRetry(run, {
onFailedAttempt: async error => {
console.log('Waiting for 1 second before retrying');
await delay(1000);
}
});
})();
```
const result = await pRetry(run, {
onFailedAttempt: async error => {
console.log('Waiting for 1 second before retrying');
await delay(1000);
}
});
```
If the `onFailedAttempt` function throws, all retries will be aborted and the original promise will reject with the thrown error.
*/
readonly onFailedAttempt?: (error: FailedAttemptError) => void | Promise<void>;
}
type AbortError = AbortErrorClass;
If the `onFailedAttempt` function throws, all retries will be aborted and the original promise will reject with the thrown error.
*/
readonly onFailedAttempt?: (error: FailedAttemptError) => void | Promise<void>;
}
declare const pRetry: {
/**
Returns a `Promise` that is fulfilled when calling `input` returns a fulfilled promise. If calling `input` returns a rejected promise, `input` is called again until the max retries are reached, it then rejects with the last rejection reason.
/**
Returns a `Promise` that is fulfilled when calling `input` returns a fulfilled promise. If calling `input` returns a rejected promise, `input` is called again until the max retries are reached, it then rejects with the last rejection reason.
Does not retry on most `TypeErrors`, with the exception of network errors. This is done on a best case basis as different browsers have different [messages](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch#Checking_that_the_fetch_was_successful) to indicate this.
See [whatwg/fetch#526 (comment)](https://github.com/whatwg/fetch/issues/526#issuecomment-554604080)
Does not retry on most `TypeErrors`, with the exception of network errors. This is done on a best case basis as different browsers have different [messages](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch#Checking_that_the_fetch_was_successful) to indicate this.
See [whatwg/fetch#526 (comment)](https://github.com/whatwg/fetch/issues/526#issuecomment-554604080)
@param input - Receives the number of attempts as the first argument and is expected to return a `Promise` or any value.
@param options - Options are passed to the [`retry`](https://github.com/tim-kos/node-retry#retryoperationoptions) module.
@param input - Receives the number of attempts as the first argument and is expected to return a `Promise` or any value.
@param options - Options are passed to the [`retry`](https://github.com/tim-kos/node-retry#retryoperationoptions) module.
@example
```
import pRetry = require('p-retry');
import fetch from 'node-fetch';
@example
```
import pRetry from 'p-retry';
import fetch from 'node-fetch';
const run = async () => {
const response = await fetch('https://sindresorhus.com/unicorn');
const run = async () => {
const response = await fetch('https://sindresorhus.com/unicorn');
// Abort retrying if the resource doesn't exist
if (response.status === 404) {
throw new pRetry.AbortError(response.statusText);
}
// Abort retrying if the resource doesn't exist
if (response.status === 404) {
throw new pRetry.AbortError(response.statusText);
}
return response.blob();
};
return response.blob();
};
(async () => {
console.log(await pRetry(run, {retries: 5}));
console.log(await pRetry(run, {retries: 5}));
// With the `onFailedAttempt` option:
const result = await pRetry(run, {
onFailedAttempt: error => {
console.log(`Attempt ${error.attemptNumber} failed. There are ${error.retriesLeft} retries left.`);
// 1st request => Attempt 1 failed. There are 4 retries left.
// 2nd request => Attempt 2 failed. There are 3 retries left.
// …
},
retries: 5
});
// With the `onFailedAttempt` option:
const result = await pRetry(run, {
onFailedAttempt: error => {
console.log(`Attempt ${error.attemptNumber} failed. There are ${error.retriesLeft} retries left.`);
// 1st request => Attempt 1 failed. There are 4 retries left.
// 2nd request => Attempt 2 failed. There are 3 retries left.
// …
},
retries: 5
});
console.log(result);
})();
```
*/
<T>(
input: (attemptCount: number) => PromiseLike<T> | T,
options?: pRetry.Options
): Promise<T>;
AbortError: typeof AbortErrorClass;
// TODO: remove this in the next major version
default: typeof pRetry;
};
export = pRetry;
console.log(result);
```
*/
export default function pRetry<T>(
input: (attemptCount: number) => PromiseLike<T> | T,
options?: Options
): Promise<T>;

87

index.js

@@ -1,12 +0,11 @@

'use strict';
const retry = require('retry');
import retry from 'retry';
const networkErrorMsgs = [
const networkErrorMsgs = new Set([
'Failed to fetch', // Chrome
'NetworkError when attempting to fetch resource.', // Firefox
'The Internet connection appears to be offline.', // Safari
'Network request failed' // `cross-fetch`
];
'Network request failed', // `cross-fetch`
]);
class AbortError extends Error {
export class AbortError extends Error {
constructor(message) {

@@ -37,50 +36,46 @@ super();

const isNetworkError = errorMessage => networkErrorMsgs.includes(errorMessage);
const isNetworkError = errorMessage => networkErrorMsgs.has(errorMessage);
const pRetry = (input, options) => new Promise((resolve, reject) => {
options = {
onFailedAttempt: () => {},
retries: 10,
...options
};
export default async function pRetry(input, options) {
return new Promise((resolve, reject) => {
options = {
onFailedAttempt: () => {},
retries: 10,
...options,
};
const operation = retry.operation(options);
const operation = retry.operation(options);
operation.attempt(async attemptNumber => {
try {
resolve(await input(attemptNumber));
} catch (error) {
if (!(error instanceof Error)) {
reject(new TypeError(`Non-error was thrown: "${error}". You should only throw errors.`));
return;
}
if (error instanceof AbortError) {
operation.stop();
reject(error.originalError);
} else if (error instanceof TypeError && !isNetworkError(error.message)) {
operation.stop();
reject(error);
} else {
decorateErrorWithCounts(error, attemptNumber, options);
try {
await options.onFailedAttempt(error);
} catch (error) {
reject(error);
operation.attempt(async attemptNumber => {
try {
resolve(await input(attemptNumber));
} catch (error) {
if (!(error instanceof Error)) {
reject(new TypeError(`Non-error was thrown: "${error}". You should only throw errors.`));
return;
}
if (!operation.retry(error)) {
reject(operation.mainError());
if (error instanceof AbortError) {
operation.stop();
reject(error.originalError);
} else if (error instanceof TypeError && !isNetworkError(error.message)) {
operation.stop();
reject(error);
} else {
decorateErrorWithCounts(error, attemptNumber, options);
try {
await options.onFailedAttempt(error);
} catch (error) {
reject(error);
return;
}
if (!operation.retry(error)) {
reject(operation.mainError());
}
}
}
}
});
});
});
module.exports = pRetry;
// TODO: remove this in the next major version
module.exports.default = pRetry;
module.exports.AbortError = AbortError;
}

19

package.json
{
"name": "p-retry",
"version": "4.6.1",
"version": "5.0.0",
"description": "Retry a promise-returning or async function",
"license": "MIT",
"repository": "sindresorhus/p-retry",
"funding": "https://github.com/sponsors/sindresorhus",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
"url": "https://sindresorhus.com"
},
"type": "module",
"exports": "./index.js",
"engines": {
"node": ">=8"
"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
},

@@ -42,11 +45,11 @@ "scripts": {

"dependencies": {
"@types/retry": "^0.12.0",
"@types/retry": "^0.12.1",
"retry": "^0.13.1"
},
"devDependencies": {
"ava": "^2.4.0",
"delay": "^4.1.0",
"tsd": "^0.10.0",
"xo": "^0.25.3"
"ava": "^3.15.0",
"delay": "^5.0.0",
"tsd": "^0.18.0",
"xo": "^0.46.4"
}
}

76

readme.md

@@ -9,5 +9,5 @@ # p-retry

```sh
npm install p-retry
```
$ npm install p-retry
```

@@ -17,4 +17,4 @@ ## Usage

```js
const pRetry = require('p-retry');
const fetch = require('node-fetch');
import pRetry from 'p-retry';
import fetch from 'node-fetch';

@@ -32,5 +32,3 @@ const run = async () => {

(async () => {
console.log(await pRetry(run, {retries: 5}));
})();
console.log(await pRetry(run, {retries: 5}));
```

@@ -44,6 +42,4 @@

It does not retry on most `TypeError`'s, with the exception of network errors. This is done on a best case basis as different browsers have different [messages](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch#Checking_that_the_fetch_was_successful) to indicate this. See [whatwg/fetch#526 (comment)](https://github.com/whatwg/fetch/issues/526#issuecomment-554604080)
Does not retry on most `TypeErrors`, with the exception of network errors. This is done on a best case basis as different browsers have different [messages](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch#Checking_that_the_fetch_was_successful) to indicate this. See [whatwg/fetch#526 (comment)](https://github.com/whatwg/fetch/issues/526#issuecomment-554604080)
#### input

@@ -68,2 +64,4 @@

```js
import pRetry from 'p-retry';
const run = async () => {

@@ -79,15 +77,13 @@ const response = await fetch('https://sindresorhus.com/unicorn');

(async () => {
const result = await pRetry(run, {
onFailedAttempt: error => {
console.log(`Attempt ${error.attemptNumber} failed. There are ${error.retriesLeft} retries left.`);
// 1st request => Attempt 1 failed. There are 4 retries left.
// 2nd request => Attempt 2 failed. There are 3 retries left.
// …
},
retries: 5
});
const result = await pRetry(run, {
onFailedAttempt: error => {
console.log(`Attempt ${error.attemptNumber} failed. There are ${error.retriesLeft} retries left.`);
// 1st request => Attempt 1 failed. There are 4 retries left.
// 2nd request => Attempt 2 failed. There are 3 retries left.
// …
},
retries: 5
});
console.log(result);
})();
console.log(result);
```

@@ -98,14 +94,12 @@

```js
const pRetry = require('p-retry');
const logger = require('./some-logger');
import pRetry from 'p-retry';
import logger from './some-logger';
const run = async () => { … };
(async () => {
const result = await pRetry(run, {
onFailedAttempt: async error => {
await logger.log(error);
}
});
})();
const result = await pRetry(run, {
onFailedAttempt: async error => {
await logger.log(error);
}
});
```

@@ -115,4 +109,4 @@

### pRetry.AbortError(message)
### pRetry.AbortError(error)
### AbortError(message)
### AbortError(error)

@@ -125,3 +119,3 @@ Abort retrying and reject the promise.

Error message.
An error message.

@@ -132,3 +126,3 @@ ### error

Custom error.
A custom error.

@@ -140,3 +134,3 @@ ## Tip

```js
const pRetry = require('p-retry');
import pRetry from 'p-retry';

@@ -147,9 +141,7 @@ const run = async emoji => {

(async () => {
// Without arguments
await pRetry(run, {retries: 5});
// Without arguments
await pRetry(run, {retries: 5});
// With arguments
await pRetry(() => run('🦄'), {retries: 5});
})();
// With arguments
await pRetry(() => run('🦄'), {retries: 5});
```

@@ -156,0 +148,0 @@ 

license

Sorry, the diff of this file is not supported yet

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