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feat: Halstead metrics and Maintainability Index #139

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Merged
carlos-alm merged 3 commits into from
Feb 27, 2026
Merged

feat: Halstead metrics and Maintainability Index #139

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b97af8c
feat: halstead metrics and maintainability index for code health scoring
github-actions[bot] Feb 27, 2026
67318af
feat: pagination and streaming for bounded, context-friendly query re…
github-actions[bot] Feb 27, 2026
e81fd6e
fix: exclude uncomputed MI=0 rows from threshold filtering
github-actions[bot] Feb 27, 2026
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45 changes: 41 additions & 4 deletions src/cli.js
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Original file line number Diff line number Diff line change
Expand Up @@ -100,8 +100,17 @@ program
.option('-T, --no-tests', 'Exclude test/spec files from results')
.option('--include-tests', 'Include test/spec files (overrides excludeTests config)')
.option('-j, --json', 'Output as JSON')
.option('--limit <number>', 'Max results to return')
.option('--offset <number>', 'Skip N results (default: 0)')
.option('--ndjson', 'Newline-delimited JSON output')
.action((name, opts) => {
queryName(name, opts.db, { noTests: resolveNoTests(opts), json: opts.json });
queryName(name, opts.db, {
noTests: resolveNoTests(opts),
json: opts.json,
limit: opts.limit ? parseInt(opts.limit, 10) : undefined,
offset: opts.offset ? parseInt(opts.offset, 10) : undefined,
ndjson: opts.ndjson,
});
});

program
Expand Down Expand Up @@ -282,13 +291,23 @@ program
.option('-T, --no-tests', 'Exclude test/spec files from results')
.option('--include-tests', 'Include test/spec files (overrides excludeTests config)')
.option('-j, --json', 'Output as JSON')
.option('--limit <number>', 'Max results to return')
.option('--offset <number>', 'Skip N results (default: 0)')
.option('--ndjson', 'Newline-delimited JSON output')
.action((name, opts) => {
if (!name && !opts.file) {
console.error('Provide a symbol name or use --file <path>');
process.exit(1);
}
const target = opts.file || name;
where(target, opts.db, { file: !!opts.file, noTests: resolveNoTests(opts), json: opts.json });
where(target, opts.db, {
file: !!opts.file,
noTests: resolveNoTests(opts),
json: opts.json,
limit: opts.limit ? parseInt(opts.limit, 10) : undefined,
offset: opts.offset ? parseInt(opts.offset, 10) : undefined,
ndjson: opts.ndjson,
});
});

program
Expand Down Expand Up @@ -604,6 +623,9 @@ program
.option('-T, --no-tests', 'Exclude test/spec files')
.option('--include-tests', 'Include test/spec files (overrides excludeTests config)')
.option('-j, --json', 'Output as JSON')
.option('--limit <number>', 'Max results to return')
.option('--offset <number>', 'Skip N results (default: 0)')
.option('--ndjson', 'Newline-delimited JSON output')
.action((opts) => {
if (opts.role && !VALID_ROLES.includes(opts.role)) {
console.error(`Invalid role "${opts.role}". Valid roles: ${VALID_ROLES.join(', ')}`);
Expand All @@ -614,6 +636,9 @@ program
file: opts.file,
noTests: resolveNoTests(opts),
json: opts.json,
limit: opts.limit ? parseInt(opts.limit, 10) : undefined,
offset: opts.offset ? parseInt(opts.offset, 10) : undefined,
ndjson: opts.ndjson,
});
});

Expand Down Expand Up @@ -692,6 +717,9 @@ program
.option('-T, --no-tests', 'Exclude test/spec files from results')
.option('--include-tests', 'Include test/spec files (overrides excludeTests config)')
.option('-j, --json', 'Output as JSON')
.option('--limit <number>', 'Max results to return')
.option('--offset <number>', 'Skip N results (default: 0)')
.option('--ndjson', 'Newline-delimited JSON output')
.action(async (name, opts) => {
if (!name && !opts.list) {
console.error('Provide a function/entry point name or use --list to see all entry points.');
Expand All @@ -709,16 +737,24 @@ program
kind: opts.kind,
noTests: resolveNoTests(opts),
json: opts.json,
limit: opts.limit ? parseInt(opts.limit, 10) : undefined,
offset: opts.offset ? parseInt(opts.offset, 10) : undefined,
ndjson: opts.ndjson,
});
});

program
.command('complexity [target]')
.description('Show per-function complexity metrics (cognitive, cyclomatic, nesting depth)')
.description('Show per-function complexity metrics (cognitive, cyclomatic, nesting depth, MI)')
.option('-d, --db <path>', 'Path to graph.db')
.option('-n, --limit <number>', 'Max results', '20')
.option('--sort <metric>', 'Sort by: cognitive | cyclomatic | nesting', 'cognitive')
.option(
'--sort <metric>',
'Sort by: cognitive | cyclomatic | nesting | mi | volume | effort | bugs | loc',
'cognitive',
)
.option('--above-threshold', 'Only functions exceeding warn thresholds')
.option('--health', 'Show health metrics (Halstead, MI) columns')
.option('-f, --file <path>', 'Scope to file (partial match)')
.option('-k, --kind <kind>', 'Filter by symbol kind')
.option('-T, --no-tests', 'Exclude test/spec files from results')
Expand All @@ -735,6 +771,7 @@ program
limit: parseInt(opts.limit, 10),
sort: opts.sort,
aboveThreshold: opts.aboveThreshold,
health: opts.health,
file: opts.file,
kind: opts.kind,
noTests: resolveNoTests(opts),
Expand Down
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