clijq

var RootCmd = &cobra.Command{
	Use:   "jq <filter> [file...]",
	Short: "jq-like JSON processor (gojq)",
	Long: `Process JSON using jq filter syntax (powered by gojq).

Reads JSON from stdin (or the given files) and applies the filter, the same way
the standard jq(1) does. Canonically invoked as ` + "`skywire cli util jq`" + `.

  echo '{"a":1,"b":2}' | skywire cli util jq '.a'
  skywire cli util jq -r '.items[].name' data.json

To filter the output of another skywire command, use the built-in --jq global
flag instead of piping through this:  skywire cli pv --stats --jq '.count'.`,
	Hidden: true,
	Args:   cobra.MinimumNArgs(1),
	Run: func(_ *cobra.Command, args []string) {
		filter := args[0]
		files := args[1:]

		query, err := gojq.Parse(filter)
		if err != nil {
			fmt.Fprintf(os.Stderr, "jq: invalid query: %v\n", err)
			os.Exit(1)
		}

		code, err := gojq.Compile(query)
		if err != nil {
			fmt.Fprintf(os.Stderr, "jq: compile error: %v\n", err)
			os.Exit(1)
		}

		// Get inputs
		var inputs []any
		if nullInput {
			inputs = []any{nil}
		} else if len(files) > 0 {
			for _, file := range files {
				fileInputs, err := readJSONFile(file)
				if err != nil {
					fmt.Fprintf(os.Stderr, "jq: %v\n", err)
					os.Exit(1)
				}
				inputs = append(inputs, fileInputs...)
			}
		} else {
			stdinInputs, err := readJSONFromReader(os.Stdin)
			if err != nil {
				fmt.Fprintf(os.Stderr, "jq: %v\n", err)
				os.Exit(1)
			}
			inputs = stdinInputs
		}

		if slurpInput && len(inputs) > 0 {
			inputs = []any{inputs}
		}

		hasError := false
		for _, input := range inputs {
			iter := code.Run(input)
			for {
				v, ok := iter.Next()
				if !ok {
					break
				}
				if err, ok := v.(error); ok {
					if haltErr, ok := err.(*gojq.HaltError); ok && haltErr.Value() == nil {
						break
					}
					fmt.Fprintf(os.Stderr, "jq: %v\n", err)
					hasError = true
					continue
				}
				if err := outputValue(v); err != nil {
					fmt.Fprintf(os.Stderr, "jq: %v\n", err)
					hasError = true
				}
			}
		}

		if hasError {
			os.Exit(1)
		}
	},
}