update

node_modules/resolve/lib/core.js

@@ -0,0 +1,53 @@
+var current = (process.versions && process.versions.node && process.versions.node.split('.')) || [];
+
+function specifierIncluded(specifier) {
+    var parts = specifier.split(' ');
+    var op = parts.length > 1 ? parts[0] : '=';
+    var versionParts = (parts.length > 1 ? parts[1] : parts[0]).split('.');
+
+    for (var i = 0; i < 3; ++i) {
+        var cur = Number(current[i] || 0);
+        var ver = Number(versionParts[i] || 0);
+        if (cur === ver) {
+            continue; // eslint-disable-line no-restricted-syntax, no-continue
+        }
+        if (op === '<') {
+            return cur < ver;
+        } else if (op === '>=') {
+            return cur >= ver;
+        } else {
+            return false;
+        }
+    }
+    return op === '>=';
+}
+
+function matchesRange(range) {
+    var specifiers = range.split(/ ?&& ?/);
+    if (specifiers.length === 0) { return false; }
+    for (var i = 0; i < specifiers.length; ++i) {
+        if (!specifierIncluded(specifiers[i])) { return false; }
+    }
+    return true;
+}
+
+function versionIncluded(specifierValue) {
+    if (typeof specifierValue === 'boolean') { return specifierValue; }
+    if (specifierValue && typeof specifierValue === 'object') {
+        for (var i = 0; i < specifierValue.length; ++i) {
+            if (matchesRange(specifierValue[i])) { return true; }
+        }
+        return false;
+    }
+    return matchesRange(specifierValue);
+}
+
+var data = require('./core.json');
+
+var core = {};
+for (var mod in data) { // eslint-disable-line no-restricted-syntax
+    if (Object.prototype.hasOwnProperty.call(data, mod)) {
+        core[mod] = versionIncluded(data[mod]);
+    }
+}
+module.exports = core;