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20 lines
410 B
20 lines
410 B
9 years ago
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const util = require('util');
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const assert = require('assert');
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class deprecatedClass {
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}
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const deprecated = util.deprecate(deprecatedClass, 'deprecatedClass is deprecated.');
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class subclass extends deprecated {
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constructor() {
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super();
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}
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}
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const instance = new subclass();
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assert(instance instanceof subclass);
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assert(instance instanceof deprecated);
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assert(instance instanceof deprecatedClass);
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