64 lines
1.6 KiB
TypeScript
64 lines
1.6 KiB
TypeScript
import { Keyof } from "@fabric/core";
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import { FieldToType } from "./fields/field-to-type.js";
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import { Field, FieldDefinition } from "./fields/index.js";
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export type CustomModelFields = Record<string, FieldDefinition>;
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export interface Collection<
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TName extends string = string,
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TFields extends CustomModelFields = CustomModelFields,
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> {
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name: TName;
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fields: TFields;
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}
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export const DefaultModelFields = {
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id: Field.uuid({ isPrimaryKey: true }),
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streamId: Field.uuid({ isIndexed: true }),
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streamVersion: Field.integer({
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isUnsigned: true,
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hasArbitraryPrecision: true,
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}),
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};
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export interface Model<
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TName extends string = string,
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TFields extends CustomModelFields = CustomModelFields,
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> extends Collection<TName, TFields> {
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fields: typeof DefaultModelFields & TFields;
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}
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export function defineModel<
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TName extends string,
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TFields extends CustomModelFields,
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>(name: TName, fields: TFields): Model<TName, TFields> {
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return {
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name,
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fields: { ...DefaultModelFields, ...fields },
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} as const;
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}
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export function defineCollection<
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TName extends string,
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TFields extends CustomModelFields,
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>(name: TName, fields: TFields): Collection<TName, TFields> {
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return {
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name,
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fields,
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} as const;
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}
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export type ModelToType<TModel extends Model> = {
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[K in Keyof<TModel["fields"]>]: FieldToType<TModel["fields"][K]>;
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};
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export type ModelFieldNames<TModel extends CustomModelFields> = Keyof<
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TModel["fields"]
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>;
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export type ModelAddressableFields<TModel extends Model> = {
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[K in Keyof<TModel["fields"]>]: TModel["fields"][K] extends { isUnique: true }
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? K
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: never;
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}[Keyof<TModel["fields"]>];
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