From d1291f67551c58168af43698a359cb5ddfd266b0 Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Thu, 3 Nov 2016 01:33:53 +0100 Subject: node_modules --- node_modules/lodash/isNative.js | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 node_modules/lodash/isNative.js (limited to 'node_modules/lodash/isNative.js') diff --git a/node_modules/lodash/isNative.js b/node_modules/lodash/isNative.js new file mode 100644 index 000000000..310b39d2b --- /dev/null +++ b/node_modules/lodash/isNative.js @@ -0,0 +1,40 @@ +var baseIsNative = require('./_baseIsNative'), + isMaskable = require('./_isMaskable'); + +/** Error message constants. */ +var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://github.com/es-shims.'; + +/** + * Checks if `value` is a pristine native function. + * + * **Note:** This method can't reliably detect native functions in the presence + * of the core-js package because core-js circumvents this kind of detection. + * Despite multiple requests, the core-js maintainer has made it clear: any + * attempt to fix the detection will be obstructed. As a result, we're left + * with little choice but to throw an error. Unfortunately, this also affects + * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill), + * which rely on core-js. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a native function, + * else `false`. + * @example + * + * _.isNative(Array.prototype.push); + * // => true + * + * _.isNative(_); + * // => false + */ +function isNative(value) { + if (isMaskable(value)) { + throw new Error(CORE_ERROR_TEXT); + } + return baseIsNative(value); +} + +module.exports = isNative; -- cgit v1.2.3