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istanbul-lib-instrument (5.2.1)

Published 2026-02-24 13:58:50 +00:00 by atheaadmin

Installation

Setup this registry in your project .npmrc file:

registry=

To install the package using npm, run the following command:

npm install istanbul-lib-instrument@5.2.1

or add it to the package.json file:

"istanbul-lib-instrument": "5.2.1"

For more information on the npm registry, see the documentation.

About this package

istanbul-lib-instrument

Istanbul instrumenter library.

Version 1.1.x now implements instrumentation using Babel. The implementation is inspired by prior art by @dtinth as demonstrated in the __coverage__ babel plugin.

It provides 2 "modes" of instrumentation.

• The old API that is mostly unchanged (except for incompatibilities noted) and performs the instrumentation using babel as a library.

• A programVisitor function for the Babel AST that can be used by a Babel plugin to emit instrumentation for ES6 code directly without any source map processing. This is the preferred path for babel users. The Babel plugin is called babel-plugin-istanbul.

Incompatibilities and changes to instrumentation behavior can be found in v0-changes.md.

Dependencies

Dependencies

ID	Version
@babel/core	^7.12.3
@babel/parser	^7.14.7
@istanbuljs/schema	^0.1.2
istanbul-lib-coverage	^3.2.0
semver	^6.3.0

Development Dependencies

ID	Version
@babel/cli	^7.7.5
chai	^4.2.0
clone	^2.1.2
debug	^4.1.1
documentation	^12.1.4
js-yaml	^3.13.1
mocha	^6.2.3
nopt	^4.0.1
nyc	^15.1.0

Keywords

coverage istanbul js instrumentation

Details

npm

2026-02-24 13:58:50 +00:00

0

Krishnan Anantheswaran

Project Site

BSD-3-Clause

latest

16 KiB

Assets (1)

istanbul-lib-instrument-5.2.1.tgz 16 KiB

Versions (1) View all

5.2.1 2026-02-24