--- /dev/null
+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) })
+ }
+ }
+ }
+}