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is-reference

Determine whether an AST node is a reference

3.0.3

JavaScript

358.00 B

674,328,896 3.9

Installations

npm install is-reference

Developer Guide

BETA

Typescript

Yes

Module System

ESM

Node Version

20.16.0

NPM Version

10.8.1 Pull Requests

Open

6

Total

19

Closed

6

Merged

7

Issues

Open

2

Total

3

Closed

1

Releases

Unable to fetch releases

Contributors

Unable to fetch Contributors

View all 6 contributors

Languages

JavaScript

JavaScript (100%)

Developer

Rich-Harris

Download Statistics

Total Downloads

674,328,896

Last Day

1,246,220

Last Week

5,713,772

Last Month

25,180,821

Last Year

286,485,253

GitHub Statistics

25 Stars

47 Commits

10 Forks

4 Watching

1 Branches

6 Contributors

Bundle Size

695.00 B

Minified

358.00 B

Minified + Gzipped

Bundlephobia

Maintainers

Package Meta Information

Latest Version

3.0.3

Package Id

is-reference@3.0.3

Unpacked Size

3.86 kB

Size

1.68 kB

File Count

NPM Version

10.8.1

Node Version

20.16.0

Publised On

12 Nov 2024

Total Downloads

Cumulative downloads

Total Downloads

674,328,896

Last day

-1.9%

1,246,220

Compared to previous day

Last week

-13.3%

5,713,772

Compared to previous week

Last month

5.4%

25,180,821

Compared to previous month

Last year

60%

286,485,253

Compared to previous year

Daily Downloads

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dependencies

@types/estree

Dev Dependencies

acorn acorn-class-fields acorn-static-class-features dts-buddy estree-walker typescript uvu

Versions

is-reference

Utility for determining whether an AST node is a reference.

foo is a reference in these cases:

1console.log(foo);
2var foo;
3function foo() {}
4function bar(foo) {}
5export { foo as x };

foo is not a reference in these cases:

1var obj = { foo: 1 };
2console.log(obj.foo);
3export { x as foo };

In all cases, foo is an Identifier node, but the two kinds must be treated differently for the purposes of scope analysis etc. (The examples are non-exhaustive.)

Installation

1npm install is-reference

Usage

Example using Acorn and estree-walker:

1import { parse } from 'acorn';
2import { walk } from 'estree-walker';
3import is_reference from 'is-reference';
4
5const identifiers = [];
6const references = [];
7
8const ast = parse(`var a = b.c;`);
9
10walk(ast, {
11	enter(node, parent) {
12		if (node.type === 'Identifier') identifiers.push(node);
13		if (is_reference(node, parent)) references.push(node);
14	}
15});
16
17identifiers.forEach(node => console.log(node.name)); // a, b, c
18references.forEach(node => console.log(node.name)); // a, b

License

MIT

No vulnerabilities found.

10

Binary-Artifacts

Determines if the project has generated executable (binary) artifacts in the source repository.

10

Vulnerabilities

Determines if the project has open, known unfixed vulnerabilities.

8

Maintained

Determines if the project is "actively maintained".

2

Code-Review

Determines if the project requires human code review before pull requests (aka merge requests) are merged.

0

CII-Best-Practices

Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.

0

Security-Policy

Determines if the project has published a security policy.

0

Fuzzing

Determines if the project uses fuzzing.

0

License

Determines if the project has defined a license.

0

Branch-Protection

Determines if the default and release branches are protected with GitHub's branch protection settings.

0

SAST

Determines if the project uses static code analysis.

Score

3.9

/10

Last Scanned on 2025-01-27

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