Postprocessing JSON output of Vale using "jq"

vale-summary.jq

# Summarize JSON output of Vale using jq.
# cat vale-report.json | jq --from-file vale-summary.jq > vale-summary.json

to_entries | map({
    file: .key,
    errors: .value | [ .[] | select(.Severity | contains("error")) ] | length,
    warnings: .value | [ .[] | select(.Severity | contains("warning")) ] | length,
    suggestions: .value | [ .[] | select(.Severity | contains("suggestion")) ] | length,
})

vale-summary2csv.jq

# Reformat JSON summary of Vale to CSV using jq.
# cat vale-summary.json | jq --raw-output --from-file vale-summary2csv.jq > vale-summary.csv

# Define header columns
["file", "errors", "warnings", "suggestions"],

# Define rows
(.[] | [.file, .errors, .warnings, .suggestions])

# Format as CSV
| @csv

See also crate/crate-docs#46 and vale-cli/vale#286.