--- /dev/null
+var assert = require("assert")
+
+var toNerfDart = require("./nerf-dart.js")
+
+module.exports = clearCredentialsByURI
+
+function clearCredentialsByURI (uri) {
+ assert(uri && typeof uri === "string", "registry URL is required")
+
+ var nerfed = toNerfDart(uri)
+
+ this.del(nerfed + ":_authToken", "user")
+ this.del(nerfed + ":_password", "user")
+ this.del(nerfed + ":username", "user")
+ this.del(nerfed + ":email", "user")
+}