62 lines
1.7 KiB
JavaScript
62 lines
1.7 KiB
JavaScript
'use strict';
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var _ = require('lodash');
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function format(message, args) {
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return message
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.replace('{0}', args[0])
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.replace('{1}', args[1])
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.replace('{2}', args[2]);
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}
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var traverseNode = function(parent, errorDefinition) {
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var NodeError = function() {
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if (_.isString(errorDefinition.message)) {
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this.message = format(errorDefinition.message, arguments);
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} else if (_.isFunction(errorDefinition.message)) {
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this.message = errorDefinition.message.apply(null, arguments);
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} else {
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throw new Error('Invalid error definition for ' + errorDefinition.name);
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}
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this.stack = this.message + '\n' + (new Error()).stack;
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};
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NodeError.prototype = Object.create(parent.prototype);
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NodeError.prototype.name = parent.prototype.name + errorDefinition.name;
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parent[errorDefinition.name] = NodeError;
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if (errorDefinition.errors) {
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childDefinitions(NodeError, errorDefinition.errors);
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}
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return NodeError;
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};
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/* jshint latedef: false */
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var childDefinitions = function(parent, childDefinitions) {
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_.each(childDefinitions, function(childDefinition) {
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traverseNode(parent, childDefinition);
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});
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};
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/* jshint latedef: true */
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var traverseRoot = function(parent, errorsDefinition) {
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childDefinitions(parent, errorsDefinition);
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return parent;
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};
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var bitcore = {};
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bitcore.Error = function() {
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this.message = 'Internal error';
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this.stack = this.message + '\n' + (new Error()).stack;
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};
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bitcore.Error.prototype = Object.create(Error.prototype);
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bitcore.Error.prototype.name = 'bitcore.Error';
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var data = require('./spec');
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traverseRoot(bitcore.Error, data);
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module.exports = bitcore.Error;
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module.exports.extend = function(spec) {
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return traverseNode(bitcore.Error, spec);
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};
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