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std/encoding/_yaml/type.ts

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// Ported from js-yaml v3.13.1:// https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da// Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import type { Any, ArrayObject } from "./utils.ts";
export type KindType = "sequence" | "scalar" | "mapping";export type StyleVariant = "lowercase" | "uppercase" | "camelcase" | "decimal";export type RepresentFn = (data: Any, style?: StyleVariant) => Any;
const DEFAULT_RESOLVE = (): boolean => true;const DEFAULT_CONSTRUCT = (data: Any): Any => data;
interface TypeOptions { kind: KindType; resolve?: (data: Any) => boolean; construct?: (data: string) => Any; instanceOf?: Any; predicate?: (data: Record<string, unknown>) => boolean; represent?: RepresentFn | ArrayObject<RepresentFn>; defaultStyle?: StyleVariant; styleAliases?: ArrayObject;}
function checkTagFormat(tag: string): string { return tag;}
export class Type { public tag: string; public kind: KindType | null = null; public instanceOf: Any; public predicate?: (data: Record<string, unknown>) => boolean; public represent?: RepresentFn | ArrayObject<RepresentFn>; public defaultStyle?: StyleVariant; public styleAliases?: ArrayObject; public loadKind?: KindType;
constructor(tag: string, options?: TypeOptions) { this.tag = checkTagFormat(tag); if (options) { this.kind = options.kind; this.resolve = options.resolve || DEFAULT_RESOLVE; this.construct = options.construct || DEFAULT_CONSTRUCT; this.instanceOf = options.instanceOf; this.predicate = options.predicate; this.represent = options.represent; this.defaultStyle = options.defaultStyle; this.styleAliases = options.styleAliases; } } public resolve: (data?: Any) => boolean = (): boolean => true; public construct: (data?: Any) => Any = (data): Any => data;}