Index: node_modules/semver/functions/coerce.js
===================================================================
--- node_modules/semver/functions/coerce.js	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
+++ node_modules/semver/functions/coerce.js	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
@@ -0,0 +1,62 @@
+'use strict'
+
+const SemVer = require('../classes/semver')
+const parse = require('./parse')
+const { safeRe: re, t } = require('../internal/re')
+
+const coerce = (version, options) => {
+  if (version instanceof SemVer) {
+    return version
+  }
+
+  if (typeof version === 'number') {
+    version = String(version)
+  }
+
+  if (typeof version !== 'string') {
+    return null
+  }
+
+  options = options || {}
+
+  let match = null
+  if (!options.rtl) {
+    match = version.match(options.includePrerelease ? re[t.COERCEFULL] : re[t.COERCE])
+  } else {
+    // Find the right-most coercible string that does not share
+    // a terminus with a more left-ward coercible string.
+    // Eg, '1.2.3.4' wants to coerce '2.3.4', not '3.4' or '4'
+    // With includePrerelease option set, '1.2.3.4-rc' wants to coerce '2.3.4-rc', not '2.3.4'
+    //
+    // Walk through the string checking with a /g regexp
+    // Manually set the index so as to pick up overlapping matches.
+    // Stop when we get a match that ends at the string end, since no
+    // coercible string can be more right-ward without the same terminus.
+    const coerceRtlRegex = options.includePrerelease ? re[t.COERCERTLFULL] : re[t.COERCERTL]
+    let next
+    while ((next = coerceRtlRegex.exec(version)) &&
+        (!match || match.index + match[0].length !== version.length)
+    ) {
+      if (!match ||
+            next.index + next[0].length !== match.index + match[0].length) {
+        match = next
+      }
+      coerceRtlRegex.lastIndex = next.index + next[1].length + next[2].length
+    }
+    // leave it in a clean state
+    coerceRtlRegex.lastIndex = -1
+  }
+
+  if (match === null) {
+    return null
+  }
+
+  const major = match[2]
+  const minor = match[3] || '0'
+  const patch = match[4] || '0'
+  const prerelease = options.includePrerelease && match[5] ? `-${match[5]}` : ''
+  const build = options.includePrerelease && match[6] ? `+${match[6]}` : ''
+
+  return parse(`${major}.${minor}.${patch}${prerelease}${build}`, options)
+}
+module.exports = coerce