mirror of https://github.com/jkjoy/sunpeiwen.git
51 lines
1.2 KiB
JavaScript
51 lines
1.2 KiB
JavaScript
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'use strict';
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var format = require('util').format;
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var ERR_CODE = 'ARGError';
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/*:nodoc:*
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* argumentError(argument, message) -> TypeError
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* - argument (Object): action with broken argument
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* - message (String): error message
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*
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* Error format helper. An error from creating or using an argument
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* (optional or positional). The string value of this exception
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* is the message, augmented with information
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* about the argument that caused it.
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*
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* #####Example
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*
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* var argumentErrorHelper = require('./argument/error');
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* if (conflictOptionals.length > 0) {
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* throw argumentErrorHelper(
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* action,
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* format('Conflicting option string(s): %s', conflictOptionals.join(', '))
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* );
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* }
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*
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**/
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module.exports = function (argument, message) {
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var argumentName = null;
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var errMessage;
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var err;
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if (argument.getName) {
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argumentName = argument.getName();
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} else {
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argumentName = '' + argument;
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}
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if (!argumentName) {
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errMessage = message;
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} else {
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errMessage = format('argument "%s": %s', argumentName, message);
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}
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err = new TypeError(errMessage);
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err.code = ERR_CODE;
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return err;
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};
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