Type Chart

Types are properties applied to Pokémon and their moves, which affect the power of moves in battles. As of Generation IX, there are 19 types, with 18 regular types and the special Stellar type. Most of the types were introduced during Generation I, but the Dark and Steel types were introduced in Generation II, the Fairy type was introduced in Generation VI, and the Stellar type was introduced in Generation IX.

info

See more on Bulbapedia.

Methods

getPokemonTypeChartAttack()

Returns types which given type's attack has no effet, is normal, not effective, and super effective. Also, returns an array of PokemonTypesArrayIndex with damage multiples for given type. See more about the TYPES_CHART_MATRIX at PokemonDB. The index 0 stands for NORMAL type, index 1 stands for FIRE type etc.

Signature

getPokemonTypeChartAttack(index: PokemonTypesArrayIndex) => TypeChartReturn

Parameter	Type	Required	Description
index	PokemonTypesArrayIndex	Yes	An index from Pokémon types chart matrix.

Returns

An object with complete type chart, and normal, no effect, super effective, not effective types against given type.

Examples

getPokemonTypeChartAttack(PokemonTypesArrayIndex.FIRE); // returns 328

getPokemonTypeChartAttackPros()

Returns only types which given type's attack has super effective damage. See more about the TYPES_CHART_MATRIX at PokemonDB. The index 0 stands for NORMAL type, index 1 stands for FIRE type etc.

Signature

getPokemonTypeChartAttackPros(index: PokemonTypesArrayIndex) => PokemonTypesArrayIndex[]

Parameter	Type	Required	Description
index	PokemonTypesArrayIndex	Yes	An index from Pokémon types chart matrix.

Returns

An array of indexes from Pokémon types chart where given Pokémon type is super effective.

Examples

getPokemonTypeChartAttackPros(PokemonTypesArrayIndex.FIRE); // returns 328

getPokemonTypeChartAttackCons()

Returns only types which given type's attack has no effect or not effective damage. See more about the TYPES_CHART_MATRIX at PokemonDB. The index 0 stands for NORMAL type, index 1 stands for FIRE type etc.

Signature

getPokemonTypeChartAttackCons(index: PokemonTypesArrayIndex) => TypeChartReturnDamageReduction

Parameter	Type	Required	Description
index	PokemonTypesArrayIndex	Yes	An index from Pokémon types chart matrix.

Returns

An object with array of indexes from Pokémon types chart where given Pokémon type is not effective nor has effect.

Examples

getPokemonTypeChartAttackCons(PokemonTypesArrayIndex.FIRE); // returns 328

getPokemonTypeChartDefense()

Returns types which given type's defense has no effet, is normal, not effective, and super effective. Also, returns an array of PokemonTypesArrayIndex with damage multiples for given type. See more about the TYPES_CHART_MATRIX at PokemonDB. The index 0 stands for NORMAL type, index 1 stands for FIRE type etc.

Signature

getPokemonTypeChartDefense(index: PokemonTypesArrayIndex) => TypeChartReturn

Parameter	Type	Required	Description
index	PokemonTypesArrayIndex	Yes	An index from Pokémon types chart matrix.

Returns

An object with array of indexes from Pokémon types chart.

Examples

getPokemonTypeChartDefense(PokemonTypesArrayIndex.FIRE); // returns 328

getPokemonTypeChartDefensePros()

Returns only types which given type's defense has resistance. See more about the TYPES_CHART_MATRIX at PokemonDB. The index 0 stands for NORMAL type, index 1 stands for FIRE type etc.

Signature

getPokemonTypeChartDefensePros(index: PokemonTypesArrayIndex) => TypeChartReturnDamageReduction

Parameter	Type	Required	Description
index	PokemonTypesArrayIndex	Yes	An index from Pokémon types chart matrix.

Returns

An object with array of indexes from Pokémon types chart.

Examples

getPokemonTypeChartDefensePros(PokemonTypesArrayIndex.FIRE); // returns 328

getPokemonTypeChartDefenseCons()

Returns only types which given type's defense has weakness. See more about the TYPES_CHART_MATRIX at PokemonDB. The index 0 stands for NORMAL type, index 1 stands for FIRE type etc.

Signature

getPokemonTypeChartDefenseCons(index: PokemonTypesArrayIndex) => PokemonTypesArrayIndex[]

Parameter	Type	Required	Description
index	PokemonTypesArrayIndex	Yes	An index from Pokémon types chart matrix.

Returns

An object with array of indexes from Pokémon types chart.

Examples

getPokemonTypeChartDefenseCons(PokemonTypesArrayIndex.FIRE); // returns 328

getAttackMultipleByTypeChart()

Returns the damage multiplier considering the attacking move type, the targeted Pokémon types and ability.

Signature

getAttackMultipleByTypeChart(
  moveType: PokemonTypesArrayIndex,
  targetType: PokemonTypesArrayIndex[],
  targetAbility?: AlterDamageAbility,
) => number

Parameter	Type	Required	Description
moveType	PokemonTypesArrayIndex	Yes	The type of move that will produce the damage.
targetTypes	Array<PokemonTypesArrayIndex>	Yes	The types of target Pokémon which will receive the damage.
targetAbility	AlterDamageAbility	No	A string of few selected abilities which affect damage calculation.

Returns

The damage multiplier.

Examples

getAttackMultipleByTypeChart(
  PokemonTypesArrayIndex.GROUND, 
  [PokemonTypesArrayIndex.FIRE, PokemonTypesArrayIndex.ELECTRIC],
  'levitate'
); // returns 0

getPokemonTypeMatchups()

Returns a detailed offensive an defensive data from given PokéAPI Pokémon resource. It also returns the Pokémon types converted from Type resource id to PokemonTypesArrayIndex.

Signature

getAttackMultipleByTypeChart(pokemon: Pokemon, verbose?: boolean) => GetPokemonTypeMatchupsReturn

Parameter	Type	Required	Description
pokemon	Pokemon	Yes	The PokéAPI Pokémon resource.
verbose	boolean	No	True if defensive data will return the type names instead of its indexes.

Returns

An GetPokemonTypeMatchupsReturn object with detailed offensive an defensive data.

Examples

const pokemon = pokeapi('charizard').get();
getPokemonTypeMatchups(pokemon, true);

isMoveNullifyByAbility()

Returns true if ability is immune to type of given move; false otherwise.

Signature

isMoveNullifyByAbility(move: PokemonTypesArrayIndex, ability: AlterDamageAbility) => boolean

Parameter	Type	Required	Description
moveType	PokemonTypesArrayIndex	Yes	The type of attacking move.
ability	AlterDamageAbility	Yes	A string of few selected abilities which affect damage calculation.

Returns

A boolean with value true if ability receives no damage from given move type.

Examples

isMoveNullifyByAbility(PokemonTypesArrayIndex.WATER, 'storm-drain'); // returns true

damageMultipleByAbility()

Returns the damage multiple of attacking move by oponent's ability.

Signature

damageMultipleByAbility(move: PokemonTypesArrayIndex, ability: AlterDamageAbility) => number

Parameter	Type	Required	Description
moveType	PokemonTypesArrayIndex	Yes	The type of attacking move.
ability	AlterDamageAbility	Yes	A string of few selected abilities which affect damage calculation.

Returns

The damage multiple.

Examples

damageMultipleByAbility(PokemonTypesArrayIndex.GHOST, 'purifying-salt'); // returns 0.5

superEffectiveDamageMultipleByAbility()

Returns the correct super effective damage multiple applied to a oponent's ability.

Signature

superEffectiveDamageMultipleByAbility(multiple: number, ability: AlterDamageAbility) => number

Parameter	Type	Required	Description
multiple	number	Yes	The current damage multiplier.
ability	AlterDamageAbility	Yes	A string of few selected abilities which affect damage calculation.

Returns

The super effective damage multiple.

Examples

superEffectiveDamageMultipleByAbility(0.5, 'wonder-guard'); // returns 0
superEffectiveDamageMultipleByAbility(1, 'wonder-guard'); // returns 0
superEffectiveDamageMultipleByAbility(2, 'wonder-guard'); // returns 2

superEffectiveDamageMultipleByAbility(1, 'prism-armor'); // returns 1
superEffectiveDamageMultipleByAbility(2, 'prism-armor'); // returns 0.75

Type Definitions

TypeChartReturn

An interface to determine the Pokémon's final stat value with getStatValue().

Type
Interface

Properties

Name	Required	Type
normal	Yes	Array<[PokemonTypesArrayIndex]>
noEffect	Yes	Array<[PokemonTypesArrayIndex]>
notEffective	Yes	Array<[PokemonTypesArrayIndex]>
superEffective	Yes	Array<[PokemonTypesArrayIndex]>
chart	Yes	Array<[PokemonTypesArrayIndex]>

TypeChartReturnDamageReduction

An interface to determine the Pokémon's final stat value with getStatValue().

Type
Interface

Properties

Name	Required	Type
noEffect	Yes	Array<[PokemonTypesArrayIndex]>
notEffective	Yes	Array<[PokemonTypesArrayIndex]>

GetPokemonTypeMatchupsReturn

An interface to determine the Pokémon's final stat value with getPokemonTypeMatchups().

Type
Interface

Properties

Name	Required	Type
types	Yes	Array<[PokemonTypesArrayIndex]>
offensive	Yes	Array<object>
offensive.normal	Yes	Array<[PokemonTypesArrayIndex]>
offensive.noEffect	Yes	Array<[PokemonTypesArrayIndex]>
offensive.notEffective	Yes	Array<[PokemonTypesArrayIndex]>
offensive.superEffective	Yes	Array<[PokemonTypesArrayIndex]>
offensive.chart	Yes	Array<[PokemonTypesArrayIndex]>
offensive.typeIndex	Yes	PokemonTypesArrayIndex
offensive.name	Yes	string
defensive	Yes	Array<object>
defensive.ability	Yes	string
defensive.normal	Yes	Array<[PokemonTypesArrayIndex]>, or Array<[PokemonTypeName]>
defensive.noEffect	Yes	Array<[PokemonTypesArrayIndex]>, or Array<[PokemonTypeName]>
defensive.weakness	Yes	Array<[PokemonTypesArrayIndex]>, or Array<[PokemonTypeName]>
defensive.resistance	Yes	Array<[PokemonTypesArrayIndex]>, or Array<[PokemonTypeName]>
defensive.doubleWeakness	Yes	Array<[PokemonTypesArrayIndex]>, or Array<[PokemonTypeName]>
defensive.doubleResistance	Yes	Array<[PokemonTypesArrayIndex]>, or Array<[PokemonTypeName]>