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schema-customization.ts
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schema-customization.ts
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import { IGatsbyState, ActionsUnion } from "../types"
const initialState = (): IGatsbyState["schemaCustomization"] => {
return {
composer: null,
context: {},
fieldExtensions: {},
printConfig: null,
thirdPartySchemas: [],
types: [],
}
}
export const schemaCustomizationReducer = (
state: IGatsbyState["schemaCustomization"] = initialState(),
action: ActionsUnion
): IGatsbyState["schemaCustomization"] => {
switch (action.type) {
case `ADD_THIRD_PARTY_SCHEMA`:
return {
...state,
thirdPartySchemas: [...state.thirdPartySchemas, action.payload],
}
case `SET_SCHEMA_COMPOSER`:
return {
...state,
composer: action.payload,
}
case `CREATE_TYPES`: {
let types: IGatsbyState["schemaCustomization"]["types"]
if (Array.isArray(action.payload)) {
types = [
...state.types,
...action.payload.map(typeOrTypeDef => {
return {
typeOrTypeDef,
plugin: action.plugin,
}
}),
]
} else {
types = [
...state.types,
{ typeOrTypeDef: action.payload, plugin: action.plugin },
]
}
return {
...state,
types,
}
}
case `CREATE_FIELD_EXTENSION`: {
const { extension, name } = action.payload
return {
...state,
fieldExtensions: { ...state.fieldExtensions, [name]: extension },
}
}
case `PRINT_SCHEMA_REQUESTED`: {
const { path, include, exclude, withFieldTypes } = action.payload
return {
...state,
printConfig: {
path,
include,
exclude,
withFieldTypes,
},
}
}
case `CREATE_RESOLVER_CONTEXT`: {
const context = action.payload
return {
...state,
context: { ...state.context, ...context },
}
}
case `CLEAR_SCHEMA_CUSTOMIZATION`:
return {
...initialState(),
composer: state.composer,
}
case `DELETE_CACHE`:
return initialState()
default:
return state
}
}