marys
80 lines
1.4 KiB
JavaScript
80 lines
1.4 KiB
JavaScript
/**
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* Implements functions to deal with the SpecificationExtensions object.
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* @mixin
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*/
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const MixinSpecificationExtensions = {
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/**
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* @returns {boolean}
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*/
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hasExtensions() {
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return !!this.extensionKeys().length;
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},
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/**
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* @returns {Object<string, any>}
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*/
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extensions() {
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const result = {};
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Object.entries(this._json).forEach(([key, value]) => {
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if ((/^x-[\w\d\.\-\_]+$/).test(key)) {
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result[String(key)] = value;
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}
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});
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return result;
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},
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/**
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* @returns {string[]}
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*/
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extensionKeys() {
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return Object.keys(this.extensions());
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},
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/**
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* @returns {string[]}
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*/
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extKeys() {
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return this.extensionKeys();
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},
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/**
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* @param {string} key - Extension key.
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* @returns {boolean}
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*/
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hasExtension(key) {
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if (!key.startsWith('x-')) {
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return false;
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}
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return !!this._json[String(key)];
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},
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/**
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* @param {string} key - Extension key.
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* @returns {any}
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*/
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extension(key) {
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if (!key.startsWith('x-')) {
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return null;
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}
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return this._json[String(key)];
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},
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/**
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* @param {string} key - Extension key.
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* @returns {boolean}
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*/
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hasExt(key) {
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return this.hasExtension(key);
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},
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/**
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* @param {string} key - Extension key.
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* @returns {any}
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*/
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ext(key) {
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return this.extension(key);
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},
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};
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module.exports = MixinSpecificationExtensions;
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