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Fix for MongoDB driver 3.0 breaking changes #200

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Fix for MongoDB driver 3.0 breaking changes #200

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5d49b3b
Fix for MongoDB driver 3.0 breaking changes
ar2rsawseen May 23, 2018
f84cb3c
Backwards compatibility check for older drivers
ar2rsawseen May 24, 2018
ecea044
[package] accept mongodb 3 as peer dependency too
ar2rsawseen May 30, 2018
bde1bd7
Store client reference
ar2rsawseen Jan 25, 2019
fdd3cd4
New driver does not have methods attached to Cursor before it is conn…
ar2rsawseen Feb 24, 2020
50b75a8
Bind methods correctly
ar2rsawseen Feb 26, 2020
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72 changes: 69 additions & 3 deletions lib/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -107,10 +107,65 @@ exports.makeSkinClass = function makeSkinClass(NativeClass, useNativeConstructor
});
});
}

if (NativeClass.name !== "Cursor") {
for(var propName in NativeClass.prototype) {
if(propName[0] != '_') bindSkin(propName);
}
}
else {
var cursorMethods = [
"setCursorBatchSize",
"cursorBatchSize",
"setCursorLimit",
"cursorLimit",
"setCursorSkip",
"cursorSkip",
"clone",
"isDead",
"isKilled",
"isNotified",
"bufferedCount",
"readBufferedDocuments",
"kill",
"rewind",
"next",
"hasNext",
"filter",
"hint",
"min",
"max",
"returnKey",
"showRecordId",
"setCursorOption",
"addCursorFlag",
"addQueryModifier",
"comment",
"maxAwaitTimeMS",
"maxTimeMS",
"maxTimeMs",
"project",
"sort",
"batchSize",
"collation",
"limit",
"skip",
"forEach",
"setReadPreference",
"toArray",
"count",
"close",
"map",
"isClosed",
"destroy",
"stream",
"transformStream",
"explain",
"getLogger",
];
for (var i = 0; i < cursorMethods.length; i++) {
SkinClass._bindMethod(cursorMethods[i]);
}
}

SkinClass.prototype.open = function(callback) {
switch (this._state) {
Expand All @@ -129,9 +184,20 @@ exports.makeSkinClass = function makeSkinClass(NativeClass, useNativeConstructor
self._state = STATE_CLOSE;
} else {
self._state = STATE_OPEN;
self._native = p_native;
//check if it is MongoClient from new driver
if(skinClassName === "SkinDb" && typeof p_native.open === "undefined"){
//change to db object and extend with missing methods
self._native = p_native.db();
self._native._client = p_native;
self._native.db = p_native.db.bind(p_native);
self._native.logout = p_native.logout.bind(p_native);
self._native.close = p_native.close.bind(p_native);
self._native.open = p_native.connect.bind(p_native);
}
else
self._native = p_native;
}
self._emitter.emit('open', err, p_native);
self._emitter.emit('open', err, self._native);
});
}
return this;
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2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
"node": ">= 0.4.0"
},
"peerDependencies": {
"mongodb": "^2.0"
"mongodb": ">= 3.0"
},
"devDependencies": {
"istanbul": "0.3.17",
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