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docs/script/graphql/utils/process-schemas.js
2021-01-05 16:07:27 +00:00

364 lines
16 KiB
JavaScript
Executable File

const { sortBy } = require('lodash')
const { parse, buildASTSchema } = require('graphql')
const helpers = require('./schema-helpers')
const externalScalars = require('../../../lib/graphql/non-schema-scalars')
.map(scalar => {
scalar.id = helpers.getId(scalar.name)
scalar.href = helpers.getFullLink('scalars', scalar.id)
return scalar
})
// select and format all the data from the schema that we need for the docs
// used in the build step by script/graphql/build-static-files.js
module.exports = async function processSchemas (idl, previewsPerVersion) {
const schemaAST = parse(idl.toString())
const schema = buildASTSchema(schemaAST)
// list of objects is used when processing mutations
const objectsInSchema = schemaAST.definitions.filter(def => def.kind === 'ObjectTypeDefinition')
const data = {}
data.queries = {
connections: [],
fields: []
}
data.mutations = []
data.objects = []
data.interfaces = []
data.enums = []
data.unions = []
data.inputObjects = []
data.scalars = []
await Promise.all(schemaAST.definitions.map(async (def) => {
// QUERIES
if (def.name.value === 'Query') {
await Promise.all(def.fields.map(async (field) => {
const query = {}
const queryArgs = []
query.name = field.name.value
query.type = helpers.getType(field)
query.kind = helpers.getTypeKind(query.type, schema)
query.id = helpers.getId(query.type)
query.href = helpers.getFullLink(query.kind, query.id)
query.description = await helpers.getDescription(field.description.value)
query.isDeprecated = helpers.getDeprecationStatus(field.directives, query.name)
query.deprecationReason = await helpers.getDeprecationReason(field.directives, query)
query.preview = await helpers.getPreview(field.directives, query, previewsPerVersion)
await Promise.all(field.arguments.map(async (arg) => {
const queryArg = {}
queryArg.name = arg.name.value
queryArg.defaultValue = arg.defaultValue ? arg.defaultValue.value : undefined
queryArg.type = helpers.getType(arg)
queryArg.id = helpers.getId(queryArg.type)
queryArg.kind = helpers.getTypeKind(queryArg.type, schema)
queryArg.href = helpers.getFullLink(queryArg.kind, queryArg.id)
queryArg.description = await helpers.getDescription(arg.description.value)
queryArg.isDeprecated = helpers.getDeprecationStatus(arg.directives, queryArg.name)
queryArg.deprecationReason = await helpers.getDeprecationReason(arg.directives, queryArg)
queryArg.preview = await helpers.getPreview(arg.directives, queryArg, previewsPerVersion)
queryArgs.push(queryArg)
}))
query.args = sortBy(queryArgs, 'name')
// QUERY CONNECTIONS
// QUERY FIELDS
query.id.endsWith('connection')
? data.queries.connections.push(query)
: data.queries.fields.push(query)
}))
return
}
// MUTATIONS
if (def.name.value === 'Mutation') {
await Promise.all(def.fields.map(async (field) => {
const mutation = {}
const inputFields = []
const returnFields = []
mutation.name = field.name.value
mutation.kind = helpers.getKind(def.name.value)
mutation.id = helpers.getId(mutation.name)
mutation.href = helpers.getFullLink('mutations', mutation.id)
mutation.description = await helpers.getDescription(field.description.value)
mutation.isDeprecated = helpers.getDeprecationStatus(field.directives, mutation.name)
mutation.deprecationReason = await helpers.getDeprecationReason(field.directives, mutation)
mutation.preview = await helpers.getPreview(field.directives, mutation, previewsPerVersion)
// there is only ever one input field argument, but loop anyway
await Promise.all(field.arguments.map(async (field) => {
const inputField = {}
inputField.name = field.name.value
inputField.type = helpers.getType(field)
inputField.id = helpers.getId(inputField.type)
inputField.kind = helpers.getTypeKind(inputField.type, schema)
inputField.href = helpers.getFullLink(inputField.kind, inputField.id)
inputFields.push(inputField)
}))
mutation.inputFields = sortBy(inputFields, 'name')
// get return fields
// first get the payload, then find payload object's fields. these are the mutation's return fields.
const returnType = helpers.getType(field)
const mutationReturnFields = objectsInSchema.find(obj => obj.name.value === returnType)
if (!mutationReturnFields) console.log(`no return fields found for ${returnType}`)
await Promise.all(mutationReturnFields.fields.map(async (field) => {
const returnField = {}
returnField.name = field.name.value
returnField.type = helpers.getType(field)
returnField.id = helpers.getId(returnField.type)
returnField.kind = helpers.getTypeKind(returnField.type, schema)
returnField.href = helpers.getFullLink(returnField.kind, returnField.id)
returnField.description = await helpers.getDescription(field.description.value)
returnField.isDeprecated = helpers.getDeprecationStatus(field.directives, returnField.name)
returnField.deprecationReason = await helpers.getDeprecationReason(field.directives, returnField)
returnField.preview = await helpers.getPreview(field.directives, returnField, previewsPerVersion)
returnFields.push(returnField)
}))
mutation.returnFields = sortBy(returnFields, 'name')
data.mutations.push(mutation)
}))
return
}
// OBJECTS
if (def.kind === 'ObjectTypeDefinition') {
// objects ending with 'Payload' are only used to derive mutation values
// they are not included in the objects docs
if (def.name.value.endsWith('Payload')) return
const object = {}
const objectImplements = []
const objectFields = []
object.name = def.name.value
object.kind = helpers.getKind(def.kind)
object.id = helpers.getId(object.name)
object.href = helpers.getFullLink('objects', object.id)
object.description = await helpers.getDescription(def.description.value)
object.isDeprecated = helpers.getDeprecationStatus(def.directives, object.name)
object.deprecationReason = await helpers.getDeprecationReason(def.directives, object)
object.preview = await helpers.getPreview(def.directives, object, previewsPerVersion)
// an object's interfaces render in the `Implements` section
// interfaces do not have directives so they cannot be under preview/deprecated
if (def.interfaces.length) {
await Promise.all(def.interfaces.map(async (graphqlInterface) => {
const objectInterface = {}
objectInterface.name = graphqlInterface.name.value
objectInterface.id = helpers.getId(objectInterface.name)
objectInterface.href = helpers.getFullLink('interfaces', objectInterface.id)
objectImplements.push(objectInterface)
}))
}
// an object's fields render in the `Fields` section
if (def.fields.length) {
await Promise.all(def.fields.map(async (field) => {
if (!field.description) return
const objectField = {}
objectField.name = field.name.value
objectField.description = await helpers.getDescription(field.description.value)
objectField.type = helpers.getType(field)
objectField.id = helpers.getId(objectField.type)
objectField.kind = helpers.getTypeKind(objectField.type, schema)
objectField.href = helpers.getFullLink(objectField.kind, objectField.id)
objectField.arguments = await helpers.getArguments(field.arguments, schema)
objectField.isDeprecated = helpers.getDeprecationStatus(field.directives)
objectField.deprecationReason = await helpers.getDeprecationReason(field.directives, objectField)
objectField.preview = await helpers.getPreview(field.directives, objectField, previewsPerVersion)
objectFields.push(objectField)
}))
}
if (objectImplements.length) object.implements = sortBy(objectImplements, 'name')
if (objectFields.length) object.fields = sortBy(objectFields, 'name')
data.objects.push(object)
return
}
// INTERFACES
if (def.kind === 'InterfaceTypeDefinition') {
const graphqlInterface = {}
const interfaceFields = []
graphqlInterface.name = def.name.value
graphqlInterface.kind = helpers.getKind(def.kind)
graphqlInterface.id = helpers.getId(graphqlInterface.name)
graphqlInterface.href = helpers.getFullLink('interfaces', graphqlInterface.id)
graphqlInterface.description = await helpers.getDescription(def.description.value)
graphqlInterface.isDeprecated = helpers.getDeprecationStatus(def.directives)
graphqlInterface.deprecationReason = await helpers.getDeprecationReason(def.directives, graphqlInterface)
graphqlInterface.preview = await helpers.getPreview(def.directives, graphqlInterface, previewsPerVersion)
// an interface's fields render in the "Fields" section
if (def.fields.length) {
await Promise.all(def.fields.map(async (field) => {
if (!field.description) return
const interfaceField = {}
interfaceField.name = field.name.value
interfaceField.description = await helpers.getDescription(field.description.value)
interfaceField.type = helpers.getType(field)
interfaceField.id = helpers.getId(interfaceField.type)
interfaceField.kind = helpers.getTypeKind(interfaceField.type, schema)
interfaceField.href = helpers.getFullLink(interfaceField.kind, interfaceField.id)
interfaceField.arguments = await helpers.getArguments(field.arguments, schema)
interfaceField.isDeprecated = helpers.getDeprecationStatus(field.directives)
interfaceField.deprecationReason = await helpers.getDeprecationReason(field.directives, interfaceField)
interfaceField.preview = await helpers.getPreview(field.directives, interfaceField, previewsPerVersion)
interfaceFields.push(interfaceField)
}))
}
graphqlInterface.fields = sortBy(interfaceFields, 'name')
data.interfaces.push(graphqlInterface)
return
}
// ENUMS
if (def.kind === 'EnumTypeDefinition') {
const graphqlEnum = {}
const enumValues = []
graphqlEnum.name = def.name.value
graphqlEnum.kind = helpers.getKind(def.kind)
graphqlEnum.id = helpers.getId(graphqlEnum.name)
graphqlEnum.href = helpers.getFullLink('enums', graphqlEnum.id)
graphqlEnum.description = await helpers.getDescription(def.description.value)
graphqlEnum.isDeprecated = helpers.getDeprecationStatus(def.directives)
graphqlEnum.deprecationReason = await helpers.getDeprecationReason(def.directives, graphqlEnum)
graphqlEnum.preview = await helpers.getPreview(def.directives, graphqlEnum, previewsPerVersion)
await Promise.all(def.values.map(async (value) => {
const enumValue = {}
enumValue.name = value.name.value
enumValue.description = await helpers.getDescription(value.description.value)
enumValues.push(enumValue)
}))
graphqlEnum.values = sortBy(enumValues, 'name')
data.enums.push(graphqlEnum)
return
}
// UNIONS
if (def.kind === 'UnionTypeDefinition') {
const union = {}
const possibleTypes = []
union.name = def.name.value
union.kind = helpers.getKind(def.kind)
union.id = helpers.getId(union.name)
union.href = helpers.getFullLink('unions', union.id)
union.description = await helpers.getDescription(def.description.value)
union.isDeprecated = helpers.getDeprecationStatus(def.directives)
union.deprecationReason = await helpers.getDeprecationReason(def.directives, union)
union.preview = await helpers.getPreview(def.directives, union, previewsPerVersion)
// union types do not have directives so cannot be under preview/deprecated
await Promise.all(def.types.map(async (type) => {
const possibleType = {}
possibleType.name = type.name.value
possibleType.id = helpers.getId(possibleType.name)
possibleType.href = helpers.getFullLink('objects', possibleType.id)
possibleTypes.push(possibleType)
}))
union.possibleTypes = sortBy(possibleTypes, 'name')
data.unions.push(union)
return
}
// INPUT OBJECTS
// NOTE: input objects ending with `Input` are NOT included in the v4 input objects sidebar
// but they are still present in the docs (e.g., https://developer.github.com/v4/input_object/acceptenterpriseadministratorinvitationinput/)
// so we will include them here
if (def.kind === 'InputObjectTypeDefinition') {
const inputObject = {}
const inputFields = []
inputObject.name = def.name.value
inputObject.kind = helpers.getKind(def.kind)
inputObject.id = helpers.getId(inputObject.name)
inputObject.href = helpers.getFullLink('input-objects', inputObject.id)
inputObject.description = await helpers.getDescription(def.description.value)
inputObject.isDeprecated = helpers.getDeprecationStatus(def.directives)
inputObject.deprecationReason = await helpers.getDeprecationReason(def.directives, inputObject)
inputObject.preview = await helpers.getPreview(def.directives, inputObject, previewsPerVersion)
if (def.fields.length) {
await Promise.all(def.fields.map(async (field) => {
const inputField = {}
inputField.name = field.name.value
inputField.description = await helpers.getDescription(field.description.value)
inputField.type = helpers.getType(field)
inputField.id = helpers.getId(inputField.type)
inputField.kind = helpers.getTypeKind(inputField.type, schema)
inputField.href = helpers.getFullLink(inputField.kind, inputField.id)
inputField.isDeprecated = helpers.getDeprecationStatus(field.directives)
inputField.deprecationReason = await helpers.getDeprecationReason(field.directives, inputField)
inputField.preview = await helpers.getPreview(field.directives, inputField, previewsPerVersion)
inputFields.push(inputField)
}))
}
inputObject.inputFields = sortBy(inputFields, 'name')
data.inputObjects.push(inputObject)
return
}
// SCALARS
if (def.kind === 'ScalarTypeDefinition') {
const scalar = {}
scalar.name = def.name.value
scalar.kind = helpers.getKind(def.kind)
scalar.id = helpers.getId(scalar.name)
scalar.href = helpers.getFullLink('scalars', scalar.id)
scalar.description = await helpers.getDescription(def.description.value)
scalar.isDeprecated = helpers.getDeprecationStatus(def.directives)
scalar.deprecationReason = await helpers.getDeprecationReason(def.directives, scalar)
scalar.preview = await helpers.getPreview(def.directives, scalar, previewsPerVersion)
data.scalars.push(scalar)
}
}))
// add non-schema scalars and sort all scalars alphabetically
data.scalars = sortBy(data.scalars.concat(externalScalars), 'name')
// sort all the types alphabetically
data.queries.connections = sortBy(data.queries.connections, 'name')
data.queries.fields = sortBy(data.queries.fields, 'name')
data.mutations = sortBy(data.mutations, 'name')
data.objects = sortBy(data.objects, 'name')
data.interfaces = sortBy(data.interfaces, 'name')
data.enums = sortBy(data.enums, 'name')
data.unions = sortBy(data.unions, 'name')
data.inputObjects = sortBy(data.inputObjects, 'name')
data.scalars = sortBy(data.scalars, 'name')
return data
}