Count.ts•2.31 kB
import { capitalize } from '@prisma/client-common'
import * as DMMF from '@prisma/dmmf'
import * as ts from '@prisma/ts-builders'
import indent from 'indent-string'
import { getFieldArgName, getSelectName } from '../utils'
import { ArgsTypeBuilder } from './Args'
import { TAB_SIZE } from './constants'
import type { Generable } from './Generable'
import { GenerateContext } from './GenerateContext'
import { buildOutputType } from './Output'
export class Count implements Generable {
constructor(
protected readonly type: DMMF.OutputType,
protected readonly context: GenerateContext,
) {}
protected get argsTypes(): ts.Export<ts.TypeDeclaration>[] {
const argsTypes: ts.Export<ts.TypeDeclaration>[] = []
argsTypes.push(
new ArgsTypeBuilder(this.type, this.context).addSelectArg().addIncludeArgIfHasRelations().createExport(),
)
for (const field of this.type.fields) {
if (field.args.length > 0) {
argsTypes.push(
new ArgsTypeBuilder(this.type, this.context)
.addSchemaArgs(field.args)
.setGeneratedName(getCountArgsType(this.type.name, field.name))
.createExport(),
)
}
}
return argsTypes
}
public toTS(): string {
const { type } = this
const { name } = type
const outputType = buildOutputType(type)
return `
/**
* Count Type ${name}
*/
${ts.stringify(outputType)}
export type ${getSelectName(name)}<ExtArgs extends $Extensions.InternalArgs = $Extensions.DefaultArgs> = {
${indent(
type.fields
.map((field) => {
const types = ['boolean']
if (field.outputType.location === 'outputObjectTypes') {
types.push(getFieldArgName(field, this.type.name))
}
// TODO: what should happen if both args and output types are present?
// Right new, they both will be part of the union, but is it correct?
if (field.args.length > 0) {
types.push(getCountArgsType(name, field.name))
}
return `${field.name}?: ${types.join(' | ')}`
})
.join('\n'),
TAB_SIZE,
)}
}
// Custom InputTypes
${this.argsTypes.map((typeExport) => ts.stringify(typeExport)).join('\n\n')}
`
}
}
function getCountArgsType(typeName: string, fieldName: string) {
return `${typeName}Count${capitalize(fieldName)}Args`
}