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Diffstat (limited to 'node_modules/es-abstract/2018/DayFromYear.js')
-rw-r--r-- | node_modules/es-abstract/2018/DayFromYear.js | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2018/DayFromYear.js b/node_modules/es-abstract/2018/DayFromYear.js new file mode 100644 index 000000000..08dd5af60 --- /dev/null +++ b/node_modules/es-abstract/2018/DayFromYear.js @@ -0,0 +1,12 @@ +'use strict'; + +var GetIntrinsic = require('../GetIntrinsic'); + +var $floor = GetIntrinsic('%Math.floor%'); + +// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3 + +module.exports = function DayFromYear(y) { + return (365 * (y - 1970)) + $floor((y - 1969) / 4) - $floor((y - 1901) / 100) + $floor((y - 1601) / 400); +}; + |