diff options
Diffstat (limited to 'tools/eslint/node_modules/js-yaml/node_modules/argparse/node_modules/lodash/lang/isElement.js')
-rw-r--r-- | tools/eslint/node_modules/js-yaml/node_modules/argparse/node_modules/lodash/lang/isElement.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/js-yaml/node_modules/argparse/node_modules/lodash/lang/isElement.js b/tools/eslint/node_modules/js-yaml/node_modules/argparse/node_modules/lodash/lang/isElement.js new file mode 100644 index 0000000000..4a1e312250 --- /dev/null +++ b/tools/eslint/node_modules/js-yaml/node_modules/argparse/node_modules/lodash/lang/isElement.js @@ -0,0 +1,41 @@ +var isObjectLike = require('../internal/isObjectLike'), + isPlainObject = require('./isPlainObject'), + support = require('../support'); + +/** Used for native method references. */ +var objectProto = Object.prototype; + +/** + * Used to resolve the [`toStringTag`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.prototype.tostring) + * of values. + */ +var objToString = objectProto.toString; + +/** + * Checks if `value` is a DOM element. + * + * @static + * @memberOf _ + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`. + * @example + * + * _.isElement(document.body); + * // => true + * + * _.isElement('<body>'); + * // => false + */ +function isElement(value) { + return !!value && value.nodeType === 1 && isObjectLike(value) && + (objToString.call(value).indexOf('Element') > -1); +} +// Fallback for environments without DOM support. +if (!support.dom) { + isElement = function(value) { + return !!value && value.nodeType === 1 && isObjectLike(value) && !isPlainObject(value); + }; +} + +module.exports = isElement; |