mirror of https://github.com/denoland/deno.git
56 lines
1.9 KiB
TypeScript
56 lines
1.9 KiB
TypeScript
// Ported from js-yaml v3.13.1:
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// https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da
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// Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import { ArrayObject, Any } from "./utils.ts";
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export type KindType = "sequence" | "scalar" | "mapping";
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export type StyleVariant = "lowercase" | "uppercase" | "camelcase" | "decimal";
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export type RepresentFn = (data: Any, style?: StyleVariant) => Any;
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const DEFAULT_RESOLVE = (): boolean => true;
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const DEFAULT_CONSTRUCT = (data: Any): Any => data;
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interface TypeOptions {
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kind: KindType;
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resolve?: (data: Any) => boolean;
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construct?: (data: string) => Any;
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instanceOf?: Any;
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predicate?: (data: object) => boolean;
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represent?: RepresentFn | ArrayObject<RepresentFn>;
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defaultStyle?: StyleVariant;
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styleAliases?: ArrayObject;
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}
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function checkTagFormat(tag: string): string {
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return tag;
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}
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export class Type {
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public tag: string;
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public kind: KindType | null = null;
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public instanceOf: Any;
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public predicate?: (data: object) => boolean;
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public represent?: RepresentFn | ArrayObject<RepresentFn>;
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public defaultStyle?: StyleVariant;
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public styleAliases?: ArrayObject;
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public loadKind?: KindType;
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constructor(tag: string, options?: TypeOptions) {
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this.tag = checkTagFormat(tag);
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if (options) {
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this.kind = options.kind;
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this.resolve = options.resolve || DEFAULT_RESOLVE;
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this.construct = options.construct || DEFAULT_CONSTRUCT;
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this.instanceOf = options.instanceOf;
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this.predicate = options.predicate;
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this.represent = options.represent;
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this.defaultStyle = options.defaultStyle;
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this.styleAliases = options.styleAliases;
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}
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}
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public resolve: (data?: Any) => boolean = (): boolean => true;
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public construct: (data?: Any) => Any = (data): Any => data;
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}
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