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/*!
* glob-option-error | MIT (c) Shinnosuke Watanabe
* https://github.com/shinnn/glob-option-error
*/
'use strict';
const {inspect} = require('util');
const isTypeError = err => err.name === 'TypeError';
const createMessageLine = (msg, err, index) => `${msg}\n ${(index + 1)}. ${err.message}`;
module.exports = function GlobOptionError(...args) {
const argLen = args.length;
if (argLen !== 1) {
throw new TypeError(`Expected 1 argument (Array<errors>), but got ${argLen || 'no'} arguments.`);
}
const [arr] = args;
if (!Array.isArray(arr)) {
throw new TypeError(`Expected an array of errors, but got a non-array value ${inspect(arr)}.`);
}
const count = arr.length;
if (count === 0) {
throw new RangeError('Expected an array with at least one error, but got [] (empty array).');
}
if (count === 1) {
arr[0][Symbol.iterator] = function *() {
yield arr[0];
};
return arr[0];
}
const error = new (arr.every(isTypeError) ? TypeError : Error)(arr.reduce(
createMessageLine,
`${count} errors found in the glob options:`
));
error[Symbol.iterator] = function *() {
for (const result of arr) {
yield result;
}
};
return error;
};
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