@dice-roller/rpg-dice-roller / presenters / TreePresenter

Abstract Class: TreePresenter<T>

Defined in: src/presenters/TreePresenter.ts:28

A presenter with a hook per result type.

present() dispatches a history to history(), a roll to roll(), and a result node to its hook (via visit()). Subclasses implement the hooks and control traversal: call visit() for child results and die() from pool() for individual dice as needed. die() is not dispatched by present() or visit(); an individual die is not an ExpressionResult.

Extended by

• TextPresenter

Type Parameters

T

T

the output type

Implements

• Presenter<T>

Constructors

Constructor

new TreePresenter<T>(): TreePresenter<T>

Returns

TreePresenter<T>

Methods

binary()

abstract protected binary(result): T

Defined in: src/presenters/TreePresenter.ts:69

Parameters

result

BinaryResult

Returns

T

---

die()

abstract protected die(result, pool): T

Defined in: src/presenters/TreePresenter.ts:67

Parameters

result

DieResult

pool

PoolResult

Returns

T

---

fn()

abstract protected fn(result): T

Defined in: src/presenters/TreePresenter.ts:72

Parameters

result

FunctionResult

Returns

T

---

group()

abstract protected group(result): T

Defined in: src/presenters/TreePresenter.ts:68

Parameters

result

GroupResult

Returns

T

---

history()

abstract protected history(history): T

Defined in: src/presenters/TreePresenter.ts:62

Parameters

history

RollHistory

Returns

T

---

number()

abstract protected number(result): T

Defined in: src/presenters/TreePresenter.ts:65

Parameters

result

NumberResult

Returns

T

---

paren()

abstract protected paren(result): T

Defined in: src/presenters/TreePresenter.ts:71

Parameters

result

ParenResult

Returns

T

---

pool()

abstract protected pool(result): T

Defined in: src/presenters/TreePresenter.ts:66

Parameters

result

PoolResult

Returns

T

---

present()

present(target): T

Defined in: src/presenters/TreePresenter.ts:30

Dispatches a history, roll, or expression result to the corresponding hook.

Parameters

target

Presentable

Returns

T

Implementation of

Presenter.present

---

roll()

abstract protected roll(roll): T

Defined in: src/presenters/TreePresenter.ts:64

Usually wraps this.visit(roll.result).

Parameters

roll

Roll<unknown>

Returns

T

---

unary()

abstract protected unary(result): T

Defined in: src/presenters/TreePresenter.ts:70

Parameters

result

UnaryResult

Returns

T

---

visit()

protected visit(result): T

Defined in: src/presenters/TreePresenter.ts:43

Presents a result node with the hook for its type.

Parameters

result

ExpressionResult

Returns

T