Mongoose 5.4.9 釋出，MongoDB 非同步物件模型工具
Mongoose 5.4.9 已釋出，Mongoose 是在 Node.js 非同步環境下對 MongoDB 進行便捷操作的物件模型工具。
更新內容如下：
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fix(document): ensure doc array defaults get casted #7337
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fix(document): make
save()not crash if nested doc has a property 'get' #7316 -
fix(schema): allow using Schema.Types.Map as well as Map to declare a map type #7305
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fix(map): make set after init mark correct path as modified #7321
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fix(mongoose): don't recompile model if same collection and schema passed in to
mongoose.model()#5767 -
fix(schema): improve error message when type is invalid #7303
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fix(schema): add
populatedto reserved property names #7317 -
fix(model): don't run built-in middleware on custom methods and ensure timestamp hooks don't run if children don't have timestamps set #7342
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docs(schematypes): clarify that you can add arbitrary options to a SchemaType #7340
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docs(mongoose): clarify that passing same name+schema to
mongoose.model()returns the model #5767 -
docs(index): add useNewUrlParser to example #7368JIBIN-P
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docs(connection): add useNewUrlParser to examples #7362JIBIN-P
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docs(discriminators): add back missing example from 'recursive embedded discriminators section' #7349
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docs(schema): improve docs for string and boolean cast() #7351