aboutsummaryrefslogtreecommitdiffstats
path: root/backend/node_modules/semver/ranges/min-version.js
diff options
context:
space:
mode:
Diffstat (limited to 'backend/node_modules/semver/ranges/min-version.js')
-rw-r--r--backend/node_modules/semver/ranges/min-version.js61
1 files changed, 61 insertions, 0 deletions
diff --git a/backend/node_modules/semver/ranges/min-version.js b/backend/node_modules/semver/ranges/min-version.js
new file mode 100644
index 0000000..350e1f7
--- /dev/null
+++ b/backend/node_modules/semver/ranges/min-version.js
@@ -0,0 +1,61 @@
+const SemVer = require('../classes/semver')
+const Range = require('../classes/range')
+const gt = require('../functions/gt')
+
+const minVersion = (range, loose) => {
+ range = new Range(range, loose)
+
+ let minver = new SemVer('0.0.0')
+ if (range.test(minver)) {
+ return minver
+ }
+
+ minver = new SemVer('0.0.0-0')
+ if (range.test(minver)) {
+ return minver
+ }
+
+ minver = null
+ for (let i = 0; i < range.set.length; ++i) {
+ const comparators = range.set[i]
+
+ let setMin = null
+ comparators.forEach((comparator) => {
+ // Clone to avoid manipulating the comparator's semver object.
+ const compver = new SemVer(comparator.semver.version)
+ switch (comparator.operator) {
+ case '>':
+ if (compver.prerelease.length === 0) {
+ compver.patch++
+ } else {
+ compver.prerelease.push(0)
+ }
+ compver.raw = compver.format()
+ /* fallthrough */
+ case '':
+ case '>=':
+ if (!setMin || gt(compver, setMin)) {
+ setMin = compver
+ }
+ break
+ case '<':
+ case '<=':
+ /* Ignore maximum versions */
+ break
+ /* istanbul ignore next */
+ default:
+ throw new Error(`Unexpected operation: ${comparator.operator}`)
+ }
+ })
+ if (setMin && (!minver || gt(minver, setMin))) {
+ minver = setMin
+ }
+ }
+
+ if (minver && range.test(minver)) {
+ return minver
+ }
+
+ return null
+}
+module.exports = minVersion