44 lines
1.3 KiB
TypeScript
44 lines
1.3 KiB
TypeScript
// deno-lint-ignore-file no-explicit-any
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import { isRecordEmpty, Result, TaggedError } from "@fabric/core";
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import type { FieldDefinition, Model, ModelToType } from "../index.ts";
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import { fieldParsers, type FieldParsingError } from "./field-parsers.ts";
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export function parseFromModel<
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TModel extends Model,
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>(
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model: TModel,
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value: unknown,
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): Result<ModelToType<TModel>, SchemaParsingError<TModel>> {
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const parsingErrors = {} as Record<keyof TModel, FieldParsingError>;
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const parsedValue = {} as ModelToType<TModel>;
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for (const key in model) {
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const field = model[key] as FieldDefinition;
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const fieldResult = fieldParsers[field._tag](field as any, value);
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if (fieldResult.isOk()) {
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parsedValue[key as keyof ModelToType<TModel>] = fieldResult
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.value();
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} else {
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parsingErrors[key] = fieldResult.unwrapErrorOrThrow();
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}
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}
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if (!isRecordEmpty(parsingErrors)) {
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return Result.failWith(new SchemaParsingError(parsingErrors, parsedValue));
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} else {
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return Result.succeedWith(parsedValue);
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}
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}
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export class SchemaParsingError<TModel extends Model>
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extends TaggedError<"SchemaParsingFailed"> {
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constructor(
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public readonly errors: Record<keyof TModel, FieldParsingError>,
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public readonly value?: Partial<ModelToType<TModel>>,
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) {
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super("SchemaParsingFailed");
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}
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}
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