用途说明

OccurrenceOrderPlugin (根据模块调用次数，给模块分配ids，常被调用的ids分配更短的id，使得ids可预测，降低文件大小，该模块推荐使用)

Assign the module and chunk ids by occurrence count. Ids that are used often get lower (shorter) ids. This make ids predictable, reduces total file size and is recommended.

preferEntry (boolean) give entry chunks higher priority. This make entry chunks smaller but increases the overall size. (recommended)

webpack.config.js配置

1	new webpack.optimize.OccurrenceOrderPlugin(preferEntry)

案例

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