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'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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// Even though strings are iterable, we don't allow them to prevent subtle user mistakes
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if (!errors[Symbol.iterator] || typeof errors === 'string') {
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throw new TypeError(`Expected input to be iterable, got ${typeof errors}`);
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}
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errors = Array.from(errors).map(err => err instanceof Error ? err : new Error(err));
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let message = errors.map(err => cleanInternalStack(cleanStack(err.stack))).join('\n');
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message = '\n' + indentString(message, 4);
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super(message);
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this.name = this.constructor.name;
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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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