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62 lines
1.8 KiB
Markdown
62 lines
1.8 KiB
Markdown
8 months ago
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# aggregate-error [](https://travis-ci.org/sindresorhus/aggregate-error)
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> Create an error from multiple errors
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## Install
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```
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$ npm install aggregate-error
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```
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## Usage
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```js
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const AggregateError = require('aggregate-error');
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const error = new AggregateError([new Error('foo'), 'bar', {message: 'baz'}]);
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throw error;
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/*
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AggregateError:
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Error: foo
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at Object.<anonymous> (/Users/sindresorhus/dev/aggregate-error/example.js:3:33)
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Error: bar
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at Object.<anonymous> (/Users/sindresorhus/dev/aggregate-error/example.js:3:13)
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Error: baz
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at Object.<anonymous> (/Users/sindresorhus/dev/aggregate-error/example.js:3:13)
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at AggregateError (/Users/sindresorhus/dev/aggregate-error/index.js:19:3)
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at Object.<anonymous> (/Users/sindresorhus/dev/aggregate-error/example.js:3:13)
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at Module._compile (module.js:556:32)
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at Object.Module._extensions..js (module.js:565:10)
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at Module.load (module.js:473:32)
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at tryModuleLoad (module.js:432:12)
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at Function.Module._load (module.js:424:3)
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at Module.runMain (module.js:590:10)
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at run (bootstrap_node.js:394:7)
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at startup (bootstrap_node.js:149:9)
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*/
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for (const individualError of error) {
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console.log(individualError);
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}
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//=> [Error: foo]
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//=> [Error: bar]
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//=> [Error: baz]
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```
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## API
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### AggregateError(errors)
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Returns an `Error` that is also an [`Iterable`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Iterators_and_Generators#Iterables) for the individual errors.
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#### errors
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Type: `Array<Error|Object|string>`
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If a string, a new `Error` is created with the string as the error message.<br>
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If a non-Error object, a new `Error` is created with all properties from the object copied over.
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