diff options
author | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
---|---|---|
committer | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
commit | abd94a7f5a50f43c797a11b53549ae48fff667c3 (patch) | |
tree | ab8ed457f65cdd72e13e0571d2975729428f1551 /node_modules/bytes/index.js | |
parent | a0247c6a3fd6a09a41a7e35a3441324c4dcb58be (diff) |
add node_modules to address #4364
Diffstat (limited to 'node_modules/bytes/index.js')
-rw-r--r-- | node_modules/bytes/index.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/node_modules/bytes/index.js b/node_modules/bytes/index.js new file mode 100644 index 000000000..02bd98f0d --- /dev/null +++ b/node_modules/bytes/index.js @@ -0,0 +1,41 @@ + +/** + * Parse byte `size` string. + * + * @param {String} size + * @return {Number} + * @api public + */ + +module.exports = function(size) { + if ('number' == typeof size) return convert(size); + var parts = size.match(/^(\d+(?:\.\d+)?) *(kb|mb|gb|tb)$/) + , n = parseFloat(parts[1]) + , type = parts[2]; + + var map = { + kb: 1 << 10 + , mb: 1 << 20 + , gb: 1 << 30 + , tb: ((1 << 30) * 1024) + }; + + return map[type] * n; +}; + +/** + * convert bytes into string. + * + * @param {Number} b - bytes to convert + * @return {String} + * @api public + */ + +function convert (b) { + var tb = ((1 << 30) * 1024), gb = 1 << 30, mb = 1 << 20, kb = 1 << 10; + if (b >= tb) return (Math.round(b / tb * 100) / 100) + 'tb'; + if (b >= gb) return (Math.round(b / gb * 100) / 100) + 'gb'; + if (b >= mb) return (Math.round(b / mb * 100) / 100) + 'mb'; + if (b >= kb) return (Math.round(b / kb * 100) / 100) + 'kb'; + return b + 'b'; +} |