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codeql/javascript/ql/src/Summary/LinesOfCode.ql
Aditya Sharad 61e6dcb56d Ensure only one query per language is tagged lines-of-code
Some languages have multiple `summary` queries for lines of code,
representing different forms of counting (user written, total, etc).
When Code Scanning sees results from multiple such summary queries in a single run,
it will need to choose one as the primary LoC count to display in the UI.

By ensuring only one query per language has the `lines-of-code` tag,
in future we can teach Code Scanning to look for this particular tag
to identify the primary LoC count.

If a "lines of user code" query is available, use that.
Otherwise use the total "lines of code".

(It is completely fine for multiple queries to be tagged with `summary`.)
2021-06-25 16:45:37 -07:00

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/**
* @id js/summary/lines-of-code
* @name Total lines of JavaScript and TypeScript code in the database
* @description The total number of lines of JavaScript or TypeScript code across all files checked into the repository, except in `node_modules`. This is a useful metric of the size of a database. For all files that were seen during extraction, this query counts the lines of code, excluding whitespace or comments.
* @kind metric
* @tags summary
*/
import javascript
select sum(File f | not f.getATopLevel().isExterns() | f.getNumberOfLinesOfCode())