'use strict';
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const indentString = require('indent-string');
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const cleanStack = require('clean-stack');
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const cleanInternalStack = stack => stack.replace(/\s+at .*aggregate-error\/index.js:\d+:\d+\)?/g, '');
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class AggregateError extends Error {
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constructor(errors) {
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if (!Array.isArray(errors)) {
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throw new TypeError(`Expected input to be an Array, got ${typeof errors}`);
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}
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errors = [...errors].map(error => {
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if (error instanceof Error) {
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return error;
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}
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if (error !== null && typeof error === 'object') {
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// Handle plain error objects with message property and/or possibly other metadata
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return Object.assign(new Error(error.message), error);
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}
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return new Error(error);
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});
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let message = errors
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.map(error => {
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// The `stack` property is not standardized, so we can't assume it exists
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return typeof error.stack === 'string' ? cleanInternalStack(cleanStack(error.stack)) : String(error);
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})
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.join('\n');
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message = '\n' + indentString(message, 4);
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super(message);
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this.name = 'AggregateError';
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Object.defineProperty(this, '_errors', {value: errors});
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}
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* [Symbol.iterator]() {
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for (const error of this._errors) {
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yield error;
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}
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}
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}
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module.exports = AggregateError;
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