Package

@stdlib/assert-instance-of

Test whether a value has in its prototype chain a specified constructor as a prototype property.

v0.3.1, 8 Feb 2026Apache-2.0CommonJSTypes: BundledUtility libraries Testing

$ npm install @stdlib/assert-instance-of

Key numbers

As of 25 Sept 2026

No weekly download data in the snapshot.

30,167 downloads last week, 162,215 in the last month. No 52-week series has been fetched yet.

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: >=0.10.0
Runtimes: -
Unpacked size (npm): 30 kB
Dependencies (4): @stdlib/string-format@stdlib/symbol-has-instance@stdlib/error-tools-fmtprodmsg@stdlib/assert-has-has-instance-symbol-support

npm install @stdlib/assert-instance-of

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Sources: npm registry, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.