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function-names-at-line
Advanced tools
Name the functions found at a particular line number in some JavaScript source
I was working on this run test by line number feature for teenytest, and needed a way to tell what functions might be described by a given line number.
For example, say you have this file:
// 1
var foo = function () { // 2
var baz = 'lol' // 3
function bar () {} // 4
} // 5
// 6
And read the file into a string named someSource
, then you can:
var functionNamesAtLine = require('function-names-at-line')
functionNamesAtLine(someSource, 1) // []
functionNamesAtLine(someSource, 2) // ['foo']
functionNamesAtLine(someSource, 3) // ['foo']
functionNamesAtLine(someSource, 4) // ['bar', 'foo']
functionNamesAtLine(someSource, 5) // ['foo']
functionNamesAtLine(someSource, 6) // []
This is a pretty naive implementation, focused just on getting basic (not nested) names of functions.
FAQs
Name the functions found at a particular line number in some JavaScript source
The npm package function-names-at-line receives a total of 53 weekly downloads. As such, function-names-at-line popularity was classified as not popular.
We found that function-names-at-line demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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