mirror of https://github.com/denoland/deno.git
32 lines
849 B
TypeScript
32 lines
849 B
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 2018-2021 the Deno authors. All rights reserved. MIT license.
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import { Type } from "../type.ts";
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import type { Any } from "../utils.ts";
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const _hasOwnProperty = Object.prototype.hasOwnProperty;
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function resolveYamlSet(data: Any): boolean {
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if (data === null) return true;
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for (const key in data) {
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if (_hasOwnProperty.call(data, key)) {
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if (data[key] !== null) return false;
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}
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}
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return true;
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}
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function constructYamlSet(data: string): Any {
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return data !== null ? data : {};
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}
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export const set = new Type("tag:yaml.org,2002:set", {
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construct: constructYamlSet,
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kind: "mapping",
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resolve: resolveYamlSet,
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});
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