func flagsFromConfig()

in astro/cli/astro/cmd/flags.go [122:166]
34 lines of code
7 McCabe index (conditional complexity)

func flagsFromConfig(config *conf.Project) (flags []*projectFlag) {
	if config == nil {
		return
	}

	flagMap := map[string]*projectFlag{}

	for _, moduleConf := range config.Modules {
		for _, variableConf := range moduleConf.Variables {
			var flagName string
			var flagConf conf.Flag

			// Check for flag mapping in project configuration. This is a block
			// in the configuration that allows users to remap variable names
			// on the CLI and set a description for the --help message.
			flagConf, flagConfExists := config.Flags[variableConf.Name]
			if flagConfExists {
				flagName = flagConf.Name
			} else {
				flagName = variableConf.Name
			}
			if flag, ok := flagMap[flagName]; ok {
				// aggregate values from all variables in the config
				flag.AllowedValues = uniqueStrings(append(flag.AllowedValues, variableConf.Values...))
			} else {
				flag := &projectFlag{
					Name:        flagName,
					Description: flagConf.Description,
					Variable:    variableConf.Name,
				}
				flag.AllowedValues = make([]string, len(variableConf.Values))
				copy(flag.AllowedValues, variableConf.Values)

				flagMap[variableConf.Name] = flag
			}
		}
	}

	// return as list
	for _, flag := range flagMap {
		flags = append(flags, flag)
	}

	return flags
}