diff options
Diffstat (limited to 'deps/npm/node_modules/semver-diff/index.js')
-rw-r--r-- | deps/npm/node_modules/semver-diff/index.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/deps/npm/node_modules/semver-diff/index.js b/deps/npm/node_modules/semver-diff/index.js new file mode 100644 index 0000000000..92c9c9700a --- /dev/null +++ b/deps/npm/node_modules/semver-diff/index.js @@ -0,0 +1,27 @@ +'use strict'; +var semver = require('semver'); + +module.exports = function (a, b) { + if (semver.gt(a, b)) { + return null; + } + + a = semver.parse(a); + b = semver.parse(b); + + for (var key in a) { + if (key === 'major' || key === 'minor' || key === 'patch') { + if (a[key] !== b[key]) { + return key; + } + } + + if (key === 'prerelease' || key === 'build') { + if (JSON.stringify(a[key]) !== JSON.stringify(b[key])) { + return key; + } + } + } + + return null; +}; |