v13.0.0-55 -- distribution files

Add CDN usage

README.md

@@ -64,6 +64,19 @@ missing modules.
 <script src="./bower_components/yjs/y.js"></script>
 ```
 
+### CDN
+```
+<script src="https://cdn.jsdelivr.net/npm/yjs@12/src/y.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/y-array@10/dist/y-array.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/y-websockets-client@8/dist/y-websockets-client.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/y-memory@8/dist/y-memory.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/y-array@10/dist/y-array.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/y-map@10/dist/y-map.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/y-text@9/dist/y-text.js"></script>
+// ..
+// do the same for all modules you want to use
+```
+
 ### Npm
 ```
 npm install --save yjs % add all y-* modules you want to use

examples/html-editor/index.js

@@ -18,7 +18,7 @@ window.undoManager = new Y.utils.UndoManager(window.yXmlType, {
 })
 
 document.onkeydown = function interceptUndoRedo (e) {
-  if (e.keyCode === 90 && e.metaKey) {
+  if (e.keyCode === 90 && (e.metaKey || e.ctrlKey)) {
     if (!e.shiftKey) {
       window.undoManager.undo()
     } else {

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "yjs",
-  "version": "13.0.0-48",
+  "version": "13.0.0-55",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1039,6 +1039,7 @@
       "requires": {
         "anymatch": "1.3.0",
         "async-each": "1.0.1",
+        "fsevents": "1.1.3",
         "glob-parent": "2.0.0",
         "inherits": "2.0.3",
         "is-binary-path": "1.0.1",
@@ -1990,6 +1991,910 @@
       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
       "dev": true
     },
+    "fsevents": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.1.3.tgz",
+      "integrity": "sha512-WIr7iDkdmdbxu/Gh6eKEZJL6KPE74/5MEsf2whTOFNxbIoIixogroLdKYqB6FDav4Wavh/lZdzzd3b2KxIXC5Q==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "nan": "2.8.0",
+        "node-pre-gyp": "0.6.39"
+      },
+      "dependencies": {
+        "abbrev": {
+          "version": "1.1.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "ajv": {
+          "version": "4.11.8",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "co": "4.6.0",
+            "json-stable-stringify": "1.0.1"
+          }
+        },
+        "ansi-regex": {
+          "version": "2.1.1",
+          "bundled": true,
+          "dev": true
+        },
+        "aproba": {
+          "version": "1.1.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "are-we-there-yet": {
+          "version": "1.1.4",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "delegates": "1.0.0",
+            "readable-stream": "2.2.9"
+          }
+        },
+        "asn1": {
+          "version": "0.2.3",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "assert-plus": {
+          "version": "0.2.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "asynckit": {
+          "version": "0.4.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "aws-sign2": {
+          "version": "0.6.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "aws4": {
+          "version": "1.6.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "balanced-match": {
+          "version": "0.4.2",
+          "bundled": true,
+          "dev": true
+        },
+        "bcrypt-pbkdf": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "tweetnacl": "0.14.5"
+          }
+        },
+        "block-stream": {
+          "version": "0.0.9",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "inherits": "2.0.3"
+          }
+        },
+        "boom": {
+          "version": "2.10.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "hoek": "2.16.3"
+          }
+        },
+        "brace-expansion": {
+          "version": "1.1.7",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "balanced-match": "0.4.2",
+            "concat-map": "0.0.1"
+          }
+        },
+        "buffer-shims": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "caseless": {
+          "version": "0.12.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "co": {
+          "version": "4.6.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "code-point-at": {
+          "version": "1.1.0",
+          "bundled": true,
+          "dev": true
+        },
+        "combined-stream": {
+          "version": "1.0.5",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "delayed-stream": "1.0.0"
+          }
+        },
+        "concat-map": {
+          "version": "0.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "console-control-strings": {
+          "version": "1.1.0",
+          "bundled": true,
+          "dev": true
+        },
+        "core-util-is": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true
+        },
+        "cryptiles": {
+          "version": "2.0.5",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "boom": "2.10.1"
+          }
+        },
+        "dashdash": {
+          "version": "1.14.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "assert-plus": "1.0.0"
+          },
+          "dependencies": {
+            "assert-plus": {
+              "version": "1.0.0",
+              "bundled": true,
+              "dev": true,
+              "optional": true
+            }
+          }
+        },
+        "debug": {
+          "version": "2.6.8",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "deep-extend": {
+          "version": "0.4.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "delayed-stream": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "delegates": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "detect-libc": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "ecc-jsbn": {
+          "version": "0.1.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "jsbn": "0.1.1"
+          }
+        },
+        "extend": {
+          "version": "3.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "extsprintf": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true
+        },
+        "forever-agent": {
+          "version": "0.6.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "form-data": {
+          "version": "2.1.4",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "asynckit": "0.4.0",
+            "combined-stream": "1.0.5",
+            "mime-types": "2.1.15"
+          }
+        },
+        "fs.realpath": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "fstream": {
+          "version": "1.0.11",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "graceful-fs": "4.1.11",
+            "inherits": "2.0.3",
+            "mkdirp": "0.5.1",
+            "rimraf": "2.6.1"
+          }
+        },
+        "fstream-ignore": {
+          "version": "1.0.5",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "fstream": "1.0.11",
+            "inherits": "2.0.3",
+            "minimatch": "3.0.4"
+          }
+        },
+        "gauge": {
+          "version": "2.7.4",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "aproba": "1.1.1",
+            "console-control-strings": "1.1.0",
+            "has-unicode": "2.0.1",
+            "object-assign": "4.1.1",
+            "signal-exit": "3.0.2",
+            "string-width": "1.0.2",
+            "strip-ansi": "3.0.1",
+            "wide-align": "1.1.2"
+          }
+        },
+        "getpass": {
+          "version": "0.1.7",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "assert-plus": "1.0.0"
+          },
+          "dependencies": {
+            "assert-plus": {
+              "version": "1.0.0",
+              "bundled": true,
+              "dev": true,
+              "optional": true
+            }
+          }
+        },
+        "glob": {
+          "version": "7.1.2",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "fs.realpath": "1.0.0",
+            "inflight": "1.0.6",
+            "inherits": "2.0.3",
+            "minimatch": "3.0.4",
+            "once": "1.4.0",
+            "path-is-absolute": "1.0.1"
+          }
+        },
+        "graceful-fs": {
+          "version": "4.1.11",
+          "bundled": true,
+          "dev": true
+        },
+        "har-schema": {
+          "version": "1.0.5",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "har-validator": {
+          "version": "4.2.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "ajv": "4.11.8",
+            "har-schema": "1.0.5"
+          }
+        },
+        "has-unicode": {
+          "version": "2.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "hawk": {
+          "version": "3.1.3",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "boom": "2.10.1",
+            "cryptiles": "2.0.5",
+            "hoek": "2.16.3",
+            "sntp": "1.0.9"
+          }
+        },
+        "hoek": {
+          "version": "2.16.3",
+          "bundled": true,
+          "dev": true
+        },
+        "http-signature": {
+          "version": "1.1.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "assert-plus": "0.2.0",
+            "jsprim": "1.4.0",
+            "sshpk": "1.13.0"
+          }
+        },
+        "inflight": {
+          "version": "1.0.6",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "once": "1.4.0",
+            "wrappy": "1.0.2"
+          }
+        },
+        "inherits": {
+          "version": "2.0.3",
+          "bundled": true,
+          "dev": true
+        },
+        "ini": {
+          "version": "1.3.4",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "number-is-nan": "1.0.1"
+          }
+        },
+        "is-typedarray": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "isarray": {
+          "version": "1.0.0",
+          "bundled": true,
+          "dev": true
+        },
+        "isstream": {
+          "version": "0.1.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "jodid25519": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "jsbn": "0.1.1"
+          }
+        },
+        "jsbn": {
+          "version": "0.1.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "json-schema": {
+          "version": "0.2.3",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "json-stable-stringify": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "jsonify": "0.0.0"
+          }
+        },
+        "json-stringify-safe": {
+          "version": "5.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "jsonify": {
+          "version": "0.0.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "jsprim": {
+          "version": "1.4.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "assert-plus": "1.0.0",
+            "extsprintf": "1.0.2",
+            "json-schema": "0.2.3",
+            "verror": "1.3.6"
+          },
+          "dependencies": {
+            "assert-plus": {
+              "version": "1.0.0",
+              "bundled": true,
+              "dev": true,
+              "optional": true
+            }
+          }
+        },
+        "mime-db": {
+          "version": "1.27.0",
+          "bundled": true,
+          "dev": true
+        },
+        "mime-types": {
+          "version": "2.1.15",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "mime-db": "1.27.0"
+          }
+        },
+        "minimatch": {
+          "version": "3.0.4",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "brace-expansion": "1.1.7"
+          }
+        },
+        "minimist": {
+          "version": "0.0.8",
+          "bundled": true,
+          "dev": true
+        },
+        "mkdirp": {
+          "version": "0.5.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "minimist": "0.0.8"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "node-pre-gyp": {
+          "version": "0.6.39",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "detect-libc": "1.0.2",
+            "hawk": "3.1.3",
+            "mkdirp": "0.5.1",
+            "nopt": "4.0.1",
+            "npmlog": "4.1.0",
+            "rc": "1.2.1",
+            "request": "2.81.0",
+            "rimraf": "2.6.1",
+            "semver": "5.3.0",
+            "tar": "2.2.1",
+            "tar-pack": "3.4.0"
+          }
+        },
+        "nopt": {
+          "version": "4.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "abbrev": "1.1.0",
+            "osenv": "0.1.4"
+          }
+        },
+        "npmlog": {
+          "version": "4.1.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "are-we-there-yet": "1.1.4",
+            "console-control-strings": "1.1.0",
+            "gauge": "2.7.4",
+            "set-blocking": "2.0.0"
+          }
+        },
+        "number-is-nan": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "oauth-sign": {
+          "version": "0.8.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "object-assign": {
+          "version": "4.1.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "once": {
+          "version": "1.4.0",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "wrappy": "1.0.2"
+          }
+        },
+        "os-homedir": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "os-tmpdir": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "osenv": {
+          "version": "0.1.4",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "os-homedir": "1.0.2",
+            "os-tmpdir": "1.0.2"
+          }
+        },
+        "path-is-absolute": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "performance-now": {
+          "version": "0.2.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "process-nextick-args": {
+          "version": "1.0.7",
+          "bundled": true,
+          "dev": true
+        },
+        "punycode": {
+          "version": "1.4.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "qs": {
+          "version": "6.4.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "rc": {
+          "version": "1.2.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "deep-extend": "0.4.2",
+            "ini": "1.3.4",
+            "minimist": "1.2.0",
+            "strip-json-comments": "2.0.1"
+          },
+          "dependencies": {
+            "minimist": {
+              "version": "1.2.0",
+              "bundled": true,
+              "dev": true,
+              "optional": true
+            }
+          }
+        },
+        "readable-stream": {
+          "version": "2.2.9",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "buffer-shims": "1.0.0",
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "1.0.7",
+            "string_decoder": "1.0.1",
+            "util-deprecate": "1.0.2"
+          }
+        },
+        "request": {
+          "version": "2.81.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "aws-sign2": "0.6.0",
+            "aws4": "1.6.0",
+            "caseless": "0.12.0",
+            "combined-stream": "1.0.5",
+            "extend": "3.0.1",
+            "forever-agent": "0.6.1",
+            "form-data": "2.1.4",
+            "har-validator": "4.2.1",
+            "hawk": "3.1.3",
+            "http-signature": "1.1.1",
+            "is-typedarray": "1.0.0",
+            "isstream": "0.1.2",
+            "json-stringify-safe": "5.0.1",
+            "mime-types": "2.1.15",
+            "oauth-sign": "0.8.2",
+            "performance-now": "0.2.0",
+            "qs": "6.4.0",
+            "safe-buffer": "5.0.1",
+            "stringstream": "0.0.5",
+            "tough-cookie": "2.3.2",
+            "tunnel-agent": "0.6.0",
+            "uuid": "3.0.1"
+          }
+        },
+        "rimraf": {
+          "version": "2.6.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "glob": "7.1.2"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.0.1",
+          "bundled": true,
+          "dev": true
+        },
+        "semver": {
+          "version": "5.3.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "set-blocking": {
+          "version": "2.0.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "signal-exit": {
+          "version": "3.0.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "sntp": {
+          "version": "1.0.9",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "hoek": "2.16.3"
+          }
+        },
+        "sshpk": {
+          "version": "1.13.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "asn1": "0.2.3",
+            "assert-plus": "1.0.0",
+            "bcrypt-pbkdf": "1.0.1",
+            "dashdash": "1.14.1",
+            "ecc-jsbn": "0.1.1",
+            "getpass": "0.1.7",
+            "jodid25519": "1.0.2",
+            "jsbn": "0.1.1",
+            "tweetnacl": "0.14.5"
+          },
+          "dependencies": {
+            "assert-plus": {
+              "version": "1.0.0",
+              "bundled": true,
+              "dev": true,
+              "optional": true
+            }
+          }
+        },
+        "string-width": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "code-point-at": "1.1.0",
+            "is-fullwidth-code-point": "1.0.0",
+            "strip-ansi": "3.0.1"
+          }
+        },
+        "string_decoder": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "safe-buffer": "5.0.1"
+          }
+        },
+        "stringstream": {
+          "version": "0.0.5",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "ansi-regex": "2.1.1"
+          }
+        },
+        "strip-json-comments": {
+          "version": "2.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "tar": {
+          "version": "2.2.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "block-stream": "0.0.9",
+            "fstream": "1.0.11",
+            "inherits": "2.0.3"
+          }
+        },
+        "tar-pack": {
+          "version": "3.4.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "debug": "2.6.8",
+            "fstream": "1.0.11",
+            "fstream-ignore": "1.0.5",
+            "once": "1.4.0",
+            "readable-stream": "2.2.9",
+            "rimraf": "2.6.1",
+            "tar": "2.2.1",
+            "uid-number": "0.0.6"
+          }
+        },
+        "tough-cookie": {
+          "version": "2.3.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "punycode": "1.4.1"
+          }
+        },
+        "tunnel-agent": {
+          "version": "0.6.0",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "safe-buffer": "5.0.1"
+          }
+        },
+        "tweetnacl": {
+          "version": "0.14.5",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "uid-number": {
+          "version": "0.0.6",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "util-deprecate": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true
+        },
+        "uuid": {
+          "version": "3.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true
+        },
+        "verror": {
+          "version": "1.3.6",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "extsprintf": "1.0.2"
+          }
+        },
+        "wide-align": {
+          "version": "1.1.2",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "string-width": "1.0.2"
+          }
+        },
+        "wrappy": {
+          "version": "1.0.2",
+          "bundled": true,
+          "dev": true
+        }
+      }
+    },
     "function-bind": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.0.tgz",
@@ -2938,6 +3843,13 @@
       "integrity": "sha1-j7+rsKmKJT0xhDMfno3rc3L6xsA=",
       "dev": true
     },
+    "nan": {
+      "version": "2.8.0",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.8.0.tgz",
+      "integrity": "sha1-7XFfP+neArV6XmJS2QqWZ14fCFo=",
+      "dev": true,
+      "optional": true
+    },
     "natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "yjs",
-  "version": "13.0.0-48",
+  "version": "13.0.0-55",
   "description": "A framework for real-time p2p shared editing on any data",
   "main": "./y.node.js",
   "browser": "./y.js",

src/MessageHandler/binaryEncode.js

@@ -4,8 +4,10 @@ import { readDeleteSet, writeDeleteSet } from './deleteSet.js'
 import BinaryEncoder from '../Binary/Encoder.js'
 
 export function fromBinary (y, decoder) {
-  integrateRemoteStructs(y, decoder)
+  y.transact(function () {
-  readDeleteSet(y, decoder)
+    integrateRemoteStructs(y, decoder)
+    readDeleteSet(y, decoder)
+  })
 }
 
 export function toBinary (y) {

src/Persistence.js

@@ -17,13 +17,13 @@ export default class AbstractPersistence {
   constructor (opts) {
     this.opts = opts
     this.ys = new Map()
-    this.mutualExclude = createMutualExclude()
   }
 
   _init (y) {
     let cnf = this.ys.get(y)
     if (cnf === undefined) {
       cnf = getFreshCnf()
+      cnf.mutualExclude = createMutualExclude()
       this.ys.set(y, cnf)
       return this.init(y).then(() => {
         y.on('afterTransaction', (y, transaction) => {
@@ -85,7 +85,7 @@ export default class AbstractPersistence {
   saveStruct (y, struct) {
     let cnf = this.ys.get(y)
     if (cnf !== undefined) {
-      this.mutualExclude(function () {
+      cnf.mutualExclude(function () {
         struct._toBinary(cnf.buffer)
         cnf.len++
       })
@@ -94,19 +94,22 @@ export default class AbstractPersistence {
 
   /* overwrite */
   retrieve (y, model, updates) {
-    this.mutualExclude(function () {
+    let cnf = this.ys.get(y)
-      y.transact(function () {
+    if (cnf !== undefined) {
-        if (model != null) {
+      cnf.mutualExclude(function () {
-          fromBinary(y, new BinaryDecoder(new Uint8Array(model)))
+        y.transact(function () {
-        }
+          if (model != null) {
-        if (updates != null) {
+            fromBinary(y, new BinaryDecoder(new Uint8Array(model)))
-          for (let i = 0; i < updates.length; i++) {
-            integrateRemoteStructs(y, new BinaryDecoder(new Uint8Array(updates[i])))
           }
-        }
+          if (updates != null) {
+            for (let i = 0; i < updates.length; i++) {
+              integrateRemoteStructs(y, new BinaryDecoder(new Uint8Array(updates[i])))
+            }
+          }
+        })
+        y.emit('persistenceReady')
       })
-      y.emit('persistenceReady')
+    }
-    })
   }
 
   /* overwrite */

src/Struct/Item.js

@@ -51,20 +51,57 @@ export default class Item {
     this._parent = null
     this._parentSub = null
     this._deleted = false
+    this._redone = null
   }
   /**
-   * Copy the effect of struct
+   * Create a operation with the same effect (without position effect)
    */
   _copy () {
-    let struct = new this.constructor()
+    return new this.constructor()
-    struct._origin = this._left
+  }
-    struct._left = this._left
+  /**
-    struct._right = this
+   * Redo the effect of this operation.
-    struct._right_origin = this
+   */
-    struct._parent = this._parent
+  _redo (y) {
+    if (this._redone !== null) {
+      return this._redone
+    }
+    let struct = this._copy()
+    let left = this._left
+    let right = this
+    let parent = this._parent
+    // make sure that parent is redone
+    if (parent._deleted === true && parent._redone === null) {
+      parent._redo(y)
+    }
+    if (parent._redone !== null) {
+      parent = parent._redone
+      // find next cloned items
+      while (left !== null) {
+        if (left._redone !== null && left._redone._parent === parent) {
+          left = left._redone
+          break
+        }
+        left = left._left
+      }
+      while (right !== null) {
+        if (right._redone !== null && right._redone._parent === parent) {
+          right = right._redone
+        }
+        right = right._right
+      }
+    }
+    struct._origin = left
+    struct._left = left
+    struct._right = right
+    struct._right_origin = right
+    struct._parent = parent
     struct._parentSub = this._parentSub
+    struct._integrate(y)
+    this._redone = struct
     return struct
   }
+
   get _lastId () {
     return new ID(this._id.user, this._id.clock + this._length - 1)
   }
@@ -90,11 +127,15 @@ export default class Item {
     if (!this._deleted) {
       this._deleted = true
       y.ds.markDeleted(this._id, this._length)
+      let del = new Delete()
+      del._targetID = this._id
+      del._length = this._length
       if (createDelete) {
-        let del = new Delete()
+        // broadcast and persists Delete
-        del._targetID = this._id
-        del._length = this._length
         del._integrate(y, true)
+      } else if (y.persistence !== null) {
+        // only persist Delete
+        y.persistence.saveStruct(y, del)
       }
       transactionTypeChanged(y, this._parent, this._parentSub)
       y._transaction.deletedStructs.add(this)

src/Struct/Type.js

@@ -79,39 +79,6 @@ export default class Type extends Item {
       type = type._parent
     }
   }
-  _copy (undeleteChildren) {
-    let copy = super._copy()
-    let map = new Map()
-    copy._map = map
-    for (let [key, value] of this._map) {
-      if (undeleteChildren.has(value) || !value.deleted) {
-        let _item = value._copy(undeleteChildren)
-        _item._parent = copy
-        map.set(key, value._copy(undeleteChildren))
-      }
-    }
-    let prevUndeleted = null
-    copy._start = null
-    let item = this._start
-    while (item !== null) {
-      if (undeleteChildren.has(item) || !item.deleted) {
-        let _item = item._copy(undeleteChildren)
-        _item._left = prevUndeleted
-        _item._origin = prevUndeleted
-        _item._right = null
-        _item._right_origin = null
-        _item._parent = copy
-        if (prevUndeleted === null) {
-          copy._start = _item
-        } else {
-          prevUndeleted._right = _item
-        }
-        prevUndeleted = _item
-      }
-      item = item._right
-    }
-    return copy
-  }
   _transact (f) {
     const y = this._y
     if (y !== null) {

src/Type/y-xml/YXmlElement.js

@@ -8,6 +8,9 @@ export default class YXmlElement extends YXmlFragment {
     super()
     this.nodeName = null
     this._scrollElement = null
+    if (typeof arg2 === 'function') {
+      this._domFilter = arg2
+    }
     if (typeof arg1 === 'string') {
       this.nodeName = arg1.toUpperCase()
     } else if (arg1 != null && arg1.nodeType != null && arg1.nodeType === arg1.ELEMENT_NODE) {
@@ -16,12 +19,9 @@ export default class YXmlElement extends YXmlFragment {
     } else {
       this.nodeName = 'UNDEFINED'
     }
-    if (typeof arg2 === 'function') {
-      this._domFilter = arg2
-    }
   }
-  _copy (undeleteChildren) {
+  _copy () {
-    let struct = super._copy(undeleteChildren)
+    let struct = super._copy()
     struct.nodeName = this.nodeName
     return struct
   }
@@ -36,9 +36,10 @@ export default class YXmlElement extends YXmlFragment {
       let attributes = new Map()
       for (let i = 0; i < dom.attributes.length; i++) {
         let attr = dom.attributes[i]
-        attributes.set(attr.name, attr.value)
+        // get attribute via getAttribute for custom element support (some write something different in attr.value)
+        attributes.set(attr.name, dom.getAttribute(attr.name))
       }
-      attributes = this._domFilter(dom, attributes)
+      attributes = this._domFilter(dom.nodeName, attributes)
       attributes.forEach((value, name) => {
         this.setAttribute(name, value)
       })

src/Type/y-xml/YXmlFragment.js

@@ -152,18 +152,20 @@ export default class YXmlFragment extends YArray {
         attributes.set(key, attrs[key])
       }
     }
-    let result = this._domFilter(this.nodeName, new Map(attributes))
+    this._y.transact(() => {
-    if (result === null) {
+      let result = this._domFilter(this.nodeName, new Map(attributes))
-      this._delete(this._y)
+      if (result === null) {
-    } else {
+        this._delete(this._y)
-      attributes.forEach((value, key) => {
+      } else {
-        if (!result.has(key)) {
+        attributes.forEach((value, key) => {
-          this.removeAttribute(key)
+          if (!result.has(key)) {
-        }
+            this.removeAttribute(key)
+          }
+        })
+      }
+      this.forEach(xml => {
+        xml.setDomFilter(f)
       })
-    }
-    this.forEach(xml => {
-      xml.setDomFilter(f)
     })
   }
   _callObserver (transaction, parentSubs, remote) {

src/Type/y-xml/YXmlHook.js

@@ -14,6 +14,11 @@ export default class YXmlHook extends YMap {
       getHook(hookName).fillType(dom, this)
     }
   }
+  _copy () {
+    const struct = super._copy()
+    struct.hookName = this.hookName
+    return struct
+  }
   getDom (_document) {
     _document = _document || document
     if (this._dom === null) {

src/Util/UndoManager.js

@@ -4,11 +4,12 @@ class ReverseOperation {
   constructor (y, transaction) {
     this.created = new Date()
     const beforeState = transaction.beforeState
-    this.toState = new ID(y.userID, y.ss.getState(y.userID) - 1)
     if (beforeState.has(y.userID)) {
+      this.toState = new ID(y.userID, y.ss.getState(y.userID) - 1)
       this.fromState = new ID(y.userID, beforeState.get(y.userID))
     } else {
-      this.fromState = this.toState
+      this.toState = null
+      this.fromState = null
     }
     this.deletedStructs = transaction.deletedStructs
   }
@@ -30,28 +31,32 @@ function applyReverseOperation (y, scope, reverseBuffer) {
     while (!performedUndo && reverseBuffer.length > 0) {
       let undoOp = reverseBuffer.pop()
       // make sure that it is possible to iterate {from}-{to}
-      y.os.getItemCleanStart(undoOp.fromState)
+      if (undoOp.fromState !== null) {
-      y.os.getItemCleanEnd(undoOp.toState)
+        y.os.getItemCleanStart(undoOp.fromState)
-      y.os.iterate(undoOp.fromState, undoOp.toState, op => {
+        y.os.getItemCleanEnd(undoOp.toState)
-        if (!op._deleted && isStructInScope(y, op, scope)) {
+        y.os.iterate(undoOp.fromState, undoOp.toState, op => {
-          performedUndo = true
+          while (op._deleted && op._redone !== null) {
-          op._delete(y)
+            op = op._redone
-        }
+          }
-      })
+          if (op._deleted === false && isStructInScope(y, op, scope)) {
+            performedUndo = true
+            op._delete(y)
+          }
+        })
+      }
       for (let op of undoOp.deletedStructs) {
         if (
           isStructInScope(y, op, scope) &&
           op._parent !== y &&
-          !op._parent._deleted &&
           (
-            op._parent._id.user !== y.userID ||
+            op._id.user !== y.userID ||
-            op._parent._id.clock < undoOp.fromState.clock ||
+            undoOp.fromState === null ||
-            op._parent._id.clock > undoOp.fromState.clock
+            op._id.clock < undoOp.fromState.clock ||
+            op._id.clock > undoOp.toState.clock
           )
         ) {
           performedUndo = true
-          op = op._copy(undoOp.deletedStructs)
+          op._redo(y)
-          op._integrate(y)
         }
       }
     }
@@ -68,6 +73,7 @@ export default class UndoManager {
     this._scope = scope
     this._undoing = false
     this._redoing = false
+    this._lastTransactionWasUndo = false
     const y = scope._y
     this.y = y
     y.on('afterTransaction', (y, transaction, remote) => {
@@ -75,17 +81,29 @@ export default class UndoManager {
         let reverseOperation = new ReverseOperation(y, transaction)
         if (!this._undoing) {
           let lastUndoOp = this._undoBuffer.length > 0 ? this._undoBuffer[this._undoBuffer.length - 1] : null
-          if (lastUndoOp !== null && reverseOperation.created - lastUndoOp.created <= options.captureTimeout) {
+          if (
+            this._redoing === false &&
+            this._lastTransactionWasUndo === false &&
+            lastUndoOp !== null &&
+            reverseOperation.created - lastUndoOp.created <= options.captureTimeout
+          ) {
             lastUndoOp.created = reverseOperation.created
-            lastUndoOp.toState = reverseOperation.toState
+            if (reverseOperation.toState !== null) {
+              lastUndoOp.toState = reverseOperation.toState
+              if (lastUndoOp.fromState === null) {
+                lastUndoOp.fromState = reverseOperation.fromState
+              }
+            }
             reverseOperation.deletedStructs.forEach(lastUndoOp.deletedStructs.add, lastUndoOp.deletedStructs)
           } else {
+            this._lastTransactionWasUndo = false
             this._undoBuffer.push(reverseOperation)
           }
           if (!this._redoing) {
             this._redoBuffer = []
           }
         } else {
+          this._lastTransactionWasUndo = true
           this._redoBuffer.push(reverseOperation)
         }
       }