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website/node_modules/npm/lib/utils/warn-deprecated.js

@@ -0,0 +1,23 @@
+module.exports = warnDeprecated
+
+var log = require('npmlog')
+
+var deprecations = {}
+
+function warnDeprecated (type) {
+  return function warn (messages, instance) {
+    if (!instance) {
+      if (!deprecations[type]) {
+        deprecations[type] = {}
+        messages.forEach(function (m) { log.warn(type, m) })
+      }
+    } else {
+      if (!deprecations[type]) deprecations[type] = {}
+
+      if (!deprecations[type][instance]) {
+        deprecations[type][instance] = true
+        messages.forEach(function (m) { log.warn(type, m) })
+      }
+    }
+  }
+}