diff options
Diffstat (limited to 'deps/npm/node_modules/is-date-object/index.js')
-rw-r--r-- | deps/npm/node_modules/is-date-object/index.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/deps/npm/node_modules/is-date-object/index.js b/deps/npm/node_modules/is-date-object/index.js new file mode 100644 index 0000000000..fe0d7ecd7c --- /dev/null +++ b/deps/npm/node_modules/is-date-object/index.js @@ -0,0 +1,20 @@ +'use strict'; + +var getDay = Date.prototype.getDay; +var tryDateObject = function tryDateObject(value) { + try { + getDay.call(value); + return true; + } catch (e) { + return false; + } +}; + +var toStr = Object.prototype.toString; +var dateClass = '[object Date]'; +var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; + +module.exports = function isDateObject(value) { + if (typeof value !== 'object' || value === null) { return false; } + return hasToStringTag ? tryDateObject(value) : toStr.call(value) === dateClass; +}; |