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arangodb/js/node/node_modules/joi/lib/errors.js

159 lines
4.1 KiB
JavaScript
Executable File

// Load modules
var Hoek = require('hoek');
var Language = require('./language');
// Declare internals
var internals = {};
internals.Err = function (type, context, state, options) {
this.type = type;
this.context = context || {};
this.context.key = state.key;
this.path = state.path;
this.options = options;
};
internals.Err.prototype.toString = function () {
var self = this;
var localized = this.options.language;
this.context.key = localized.label || this.context.key || localized.root || Language.errors.root;
var format = Hoek.reach(localized, this.type) || Hoek.reach(Language.errors, this.type);
var hasKey = /\{\{\!?key\}\}/.test(format);
format = (hasKey ? format : '{{!key}} ' + format);
var message = format.replace(/\{\{(\!?)([^}]+)\}\}/g, function ($0, isSecure, name) {
var value = Hoek.reach(self.context, name);
var normalized = Array.isArray(value) ? value.join(', ') : value.toString();
return (isSecure ? Hoek.escapeHtml(normalized) : normalized);
});
return message;
};
exports.create = function (type, context, state, options) {
return new internals.Err(type, context, state, options);
};
exports.process = function (errors, object) {
if (!errors || !errors.length) {
return null;
}
var details = [];
for (var i = 0, il = errors.length; i < il; ++i) {
var item = errors[i];
details.push({
message: item.toString(),
path: internals.getPath(item),
type: item.type
});
}
// Construct error
var message = '';
details.forEach(function (error) {
message += (message ? '. ' : '') + error.message;
});
var error = new Error(message);
error.name = 'ValidationError';
error.details = details;
error._object = object;
error.annotate = internals.annotate;
return error;
};
internals.getPath = function (item) {
var recursePath = function (it) {
var reachedItem = Hoek.reach(it, 'context.reason.0');
if (reachedItem && reachedItem.context) {
return recursePath(reachedItem);
}
return it.path;
};
return recursePath(item) || item.context.key;
};
internals.annotate = function () {
var obj = Hoek.clone(this._object || {});
var lookup = {};
var el = this.details.length;
for (var e = el - 1; e >= 0; --e) { // Reverse order to process deepest child first
var pos = el - e;
var error = this.details[e];
var path = error.path.split('.');
var ref = obj;
for (var i = 0, il = path.length; i < il && ref; ++i) {
var seg = path[i];
if (i + 1 < il) {
ref = ref[seg];
}
else {
var value = ref[seg];
if (value !== undefined) {
delete ref[seg];
var label = seg + '_$key$_' + pos + '_$end$_';
ref[label] = value;
lookup[error.path] = label;
}
else if (lookup[error.path]) {
var replacement = lookup[error.path];
var appended = replacement.replace('_$end$_', ', ' + pos + '_$end$_');
ref[appended] = ref[replacement];
lookup[error.path] = appended;
delete ref[replacement];
}
else {
ref['_$miss$_' + seg + '|' + pos + '_$end$_'] = '__missing__';
}
}
}
}
var annotated = JSON.stringify(obj, null, 2);
annotated = annotated.replace(/_\$key\$_([, \d]+)_\$end\$_\"/g, function ($0, $1) {
return '" \u001b[31m[' + $1 + ']\u001b[0m';
});
var message = annotated.replace(/\"_\$miss\$_([^\|]+)\|(\d+)_\$end\$_\"\: \"__missing__\"/g, function ($0, $1, $2) {
return '\u001b[41m"' + $1 + '"\u001b[0m\u001b[31m [' + $2 + ']: -- missing --\u001b[0m';
});
message += '\n\u001b[31m';
for (e = 0; e < el; ++e) {
message += '\n[' + (e + 1) + '] ' + this.details[e].message;
}
message += '\u001b[0m';
return message;
};