105 lines
2.5 KiB
JavaScript
105 lines
2.5 KiB
JavaScript
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/**
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* Copyright (c) 2014, Joyent, Inc. All rights reserved.
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*
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* Error classes that the joyent CLI may produce.
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*/
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var util = require('util'),
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format = util.format;
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var assert = require('assert-plus');
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var verror = require('verror'),
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WError = verror.WError,
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VError = verror.VError;
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// ---- error classes
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/**
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* Base error. Instances will always have a string `message` and
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* a string `code` (a CamelCase string).
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*/
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function JoyentError(options) {
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assert.object(options, 'options');
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assert.string(options.message, 'options.message');
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assert.string(options.code, 'options.code');
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assert.optionalObject(options.cause, 'options.cause');
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assert.optionalNumber(options.statusCode, 'options.statusCode');
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var self = this;
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var args = [];
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if (options.cause) args.push(options.cause);
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args.push(options.message);
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WError.apply(this, args);
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var extra = Object.keys(options).filter(
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function (k) { return ['cause', 'message'].indexOf(k) === -1; });
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extra.forEach(function (k) {
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self[k] = options[k];
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});
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}
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util.inherits(JoyentError, VError);
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function InternalError(cause, message) {
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if (message === undefined) {
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message = cause;
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cause = undefined;
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}
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assert.string(message);
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JoyentError.call(this, {
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cause: cause,
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message: message,
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code: 'InternalError',
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exitStatus: 1
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});
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}
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util.inherits(InternalError, JoyentError);
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function UsageError(cause, message) {
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if (message === undefined) {
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message = cause;
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cause = undefined;
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}
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assert.string(message);
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JoyentError.call(this, {
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cause: cause,
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message: message,
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code: 'Usage',
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exitStatus: 1
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});
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}
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util.inherits(UsageError, JoyentError);
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/**
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* Multiple errors in a group.
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*/
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function MultiError(errs) {
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assert.arrayOfObject(errs, 'errs');
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var lines = [format('multiple (%d) errors', errs.length)];
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for (var i = 0; i < errs.length; i++) {
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var err = errs[i];
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lines.push(format(' error (%s): %s', err.code, err.message));
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}
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JoyentError.call(this, {
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cause: errs[0],
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message: lines.join('\n'),
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code: 'MultiError',
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exitStatus: 1
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});
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}
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MultiError.description = 'Multiple errors.';
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util.inherits(MultiError, JoyentError);
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// ---- exports
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module.exports = {
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JoyentError: JoyentError,
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InternalError: InternalError,
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UsageError: UsageError,
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MultiError: MultiError
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};
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// vim: set softtabstop=4 shiftwidth=4:
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