File: helpers.go

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package jsonapi

import (
	"strings"
	"unicode"

	"github.com/gedex/inflector"
)

// https://github.com/golang/lint/blob/3d26dc39376c307203d3a221bada26816b3073cf/lint.go#L482
var commonInitialisms = map[string]bool{
	"API":   true,
	"ASCII": true,
	"CPU":   true,
	"CSS":   true,
	"DNS":   true,
	"EOF":   true,
	"GUID":  true,
	"HTML":  true,
	"HTTP":  true,
	"HTTPS": true,
	"ID":    true,
	"IP":    true,
	"JSON":  true,
	"LHS":   true,
	"QPS":   true,
	"RAM":   true,
	"RHS":   true,
	"RPC":   true,
	"SLA":   true,
	"SMTP":  true,
	"SSH":   true,
	"TLS":   true,
	"TTL":   true,
	"UI":    true,
	"UID":   true,
	"UUID":  true,
	"URI":   true,
	"URL":   true,
	"UTF8":  true,
	"VM":    true,
	"XML":   true,
	"JWT":   true,
}

// Jsonify returns a JSON formatted key name from a go struct field name.
func Jsonify(s string) string {
	if s == "" {
		return ""
	}

	if commonInitialisms[s] {
		return strings.ToLower(s)
	}

	rs := []rune(s)
	rs[0] = unicode.ToLower(rs[0])

	return string(rs)
}

// Pluralize returns the pluralization of a noun.
func Pluralize(word string) string {
	return inflector.Pluralize(word)
}