index.js•1.25 kB
'use strict';
const indentString = require('indent-string');
const cleanStack = require('clean-stack');
const cleanInternalStack = stack => stack.replace(/\s+at .*aggregate-error\/index.js:\d+:\d+\)?/g, '');
class AggregateError extends Error {
constructor(errors) {
if (!Array.isArray(errors)) {
throw new TypeError(`Expected input to be an Array, got ${typeof errors}`);
}
errors = [...errors].map(error => {
if (error instanceof Error) {
return error;
}
if (error !== null && typeof error === 'object') {
// Handle plain error objects with message property and/or possibly other metadata
return Object.assign(new Error(error.message), error);
}
return new Error(error);
});
let message = errors
.map(error => {
// The `stack` property is not standardized, so we can't assume it exists
return typeof error.stack === 'string' ? cleanInternalStack(cleanStack(error.stack)) : String(error);
})
.join('\n');
message = '\n' + indentString(message, 4);
super(message);
this.name = 'AggregateError';
Object.defineProperty(this, '_errors', {value: errors});
}
* [Symbol.iterator]() {
for (const error of this._errors) {
yield error;
}
}
}
module.exports = AggregateError;