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author | Florian Dold <florian.dold@gmail.com> | 2016-11-03 01:33:53 +0100 |
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committer | Florian Dold <florian.dold@gmail.com> | 2016-11-03 01:33:53 +0100 |
commit | d1291f67551c58168af43698a359cb5ddfd266b0 (patch) | |
tree | 55a13ed29fe1915e3f42f1b1b7038dafa2e975a7 /node_modules/lodash/isFunction.js | |
parent | d0a0695fb5d34996850723f7d4b1b59c3df909c2 (diff) | |
download | wallet-core-d1291f67551c58168af43698a359cb5ddfd266b0.tar.xz |
node_modules
Diffstat (limited to 'node_modules/lodash/isFunction.js')
-rw-r--r-- | node_modules/lodash/isFunction.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/node_modules/lodash/isFunction.js b/node_modules/lodash/isFunction.js new file mode 100644 index 000000000..907a8cd8b --- /dev/null +++ b/node_modules/lodash/isFunction.js @@ -0,0 +1,37 @@ +var baseGetTag = require('./_baseGetTag'), + isObject = require('./isObject'); + +/** `Object#toString` result references. */ +var asyncTag = '[object AsyncFunction]', + funcTag = '[object Function]', + genTag = '[object GeneratorFunction]', + proxyTag = '[object Proxy]'; + +/** + * Checks if `value` is classified as a `Function` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a function, else `false`. + * @example + * + * _.isFunction(_); + * // => true + * + * _.isFunction(/abc/); + * // => false + */ +function isFunction(value) { + if (!isObject(value)) { + return false; + } + // The use of `Object#toString` avoids issues with the `typeof` operator + // in Safari 9 which returns 'object' for typed arrays and other constructors. + var tag = baseGetTag(value); + return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag; +} + +module.exports = isFunction; |