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Diffstat (limited to 'tools/eslint/node_modules/js-yaml/node_modules/argparse/lib/namespace.js')
-rw-r--r-- | tools/eslint/node_modules/js-yaml/node_modules/argparse/lib/namespace.js | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/js-yaml/node_modules/argparse/lib/namespace.js b/tools/eslint/node_modules/js-yaml/node_modules/argparse/lib/namespace.js new file mode 100644 index 0000000000..2f1f8f4daa --- /dev/null +++ b/tools/eslint/node_modules/js-yaml/node_modules/argparse/lib/namespace.js @@ -0,0 +1,77 @@ +/** + * class Namespace + * + * Simple object for storing attributes. Implements equality by attribute names + * and values, and provides a simple string representation. + * + * See also [original guide][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#the-namespace-object + **/ +'use strict'; + +var _ = require('lodash'); + +/** + * new Namespace(options) + * - options(object): predefined propertis for result object + * + **/ +var Namespace = module.exports = function Namespace(options) { + _.extend(this, options); +}; + +/** + * Namespace#isset(key) -> Boolean + * - key (string|number): property name + * + * Tells whenever `namespace` contains given `key` or not. + **/ +Namespace.prototype.isset = function (key) { + return _.has(this, key); +}; + +/** + * Namespace#set(key, value) -> self + * -key (string|number|object): propery name + * -value (mixed): new property value + * + * Set the property named key with value. + * If key object then set all key properties to namespace object + **/ +Namespace.prototype.set = function (key, value) { + if (typeof (key) === 'object') { + _.extend(this, key); + } else { + this[key] = value; + } + return this; +}; + +/** + * Namespace#get(key, defaultValue) -> mixed + * - key (string|number): property name + * - defaultValue (mixed): default value + * + * Return the property key or defaulValue if not set + **/ +Namespace.prototype.get = function (key, defaultValue) { + return !this[key] ? defaultValue: this[key]; +}; + +/** + * Namespace#unset(key, defaultValue) -> mixed + * - key (string|number): property name + * - defaultValue (mixed): default value + * + * Return data[key](and delete it) or defaultValue + **/ +Namespace.prototype.unset = function (key, defaultValue) { + var value = this[key]; + if (value !== null) { + delete this[key]; + return value; + } else { + return defaultValue; + } +}; |