Class OptionsPool<T>

维护一个选项池

Type Parameters

T

Hierarchy

OptionsPool

Index

Constructors

Properties

Accessors

randomOption len options

Methods

computeWeights generatePool remove rateOf export

Constructors

constructor

new OptionsPool<T>(options: OptionList<T>): OptionsPool<T>
Type Parameters
- T
Parameters
- options: OptionList<T>
Returns OptionsPool<T>
- Defined in packages/random-picker/src/OptionsPool.ts:13

Properties

`Protected` pool

pool: PoolItem<T>[] = []

选项池

Accessors

randomOption

get randomOption(): null | T
Protected
从选项池中获取随机选项

Returns null | T
- Defined in packages/random-picker/src/OptionsPool.ts:71

len

get len(): number
选项池剩余选项数量

Returns number
- Defined in packages/random-picker/src/OptionsPool.ts:88

options

get options(): T[]
选项池剩余的选项

Returns T[]
- Defined in packages/random-picker/src/OptionsPool.ts:95

Methods

`Protected` computeWeights

computeWeights(list: OptionList<T>): [number, number]
Protected
计算权重
Parameters
- list: OptionList<T>
Returns [number, number]
- Defined in packages/random-picker/src/OptionsPool.ts:21

`Protected` generatePool

generatePool(list: OptionList<T>): void
Protected
生成选项池计算各个选项的所占的百分比及所处位置，并生成选项池
Parameters
- list: OptionList<T>
Returns void
- Defined in packages/random-picker/src/OptionsPool.ts:48

remove

remove(option: T): void
从选项池中移除一个选项，需要根据选项重新计算所有选项的选中几率
Parameters
- option: T
Returns void
- Defined in packages/random-picker/src/OptionsPool.ts:80

rateOf

rateOf(option: T): number
获取选项选中的几率

Returns

Returns
几率：100分满值
Parameters
- option: T
  
  选项
Returns number
- Defined in packages/random-picker/src/OptionsPool.ts:104

export

export(): OptionWeightsTuple<T>[]
导出选项池剩余的选项

Returns
由option、weights组成的元组所组成的选项数组，可以用于new RandomPicker(picker.export())

Returns OptionWeightsTuple<T>[]
- Defined in packages/random-picker/src/OptionsPool.ts:119