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type Status string

const (
    StatusActive  Status = "active"
    StatusPending Status = "pending"
    StatusClosed  Status = "closed"
)

type Ticket struct {
    ID     int    `json:"id"`
    Title  string `json:"title"`
    Status Status `json:"status"`
}

3 Enums, 5 Models

import { Ticket, Status } from './bindings/changeme/models'

const ticket = new Ticket({
    id: 1,
    title: "Bug report",
    status: Status.StatusActive
})

// Title is a title
type Title string

const (
    // Mister is a title
    Mister Title = "Mr"
    Miss   Title = "Miss"
    Ms     Title = "Ms"
    Mrs    Title = "Mrs"
    Dr     Title = "Dr"
)

/**
 * Title is a title
 */
export enum Title {
    /**
     * The Go zero value for the underlying type of the enum.
     */
    $zero = "",

    /**
     * Mister is a title
     */
    Mister = "Mr",
    Miss = "Miss",
    Ms = "Ms",
    Mrs = "Mrs",
    Dr = "Dr",
}

/**
 * Title is a title
 * @readonly
 * @enum {string}
 */
export const Title = {
    /**
     * The Go zero value for the underlying type of the enum.
     */
    $zero: "",

    /**
     * Mister is a title
     */
    Mister: "Mr",
    Miss: "Miss",
    Ms: "Ms",
    Mrs: "Mrs",
    Dr: "Dr",
};

type Priority int

const (
    PriorityLow    Priority = 0
    PriorityMedium Priority = 1
    PriorityHigh   Priority = 2
)

export enum Priority {
    /**
     * The Go zero value for the underlying type of the enum.
     */
    $zero = 0,

    PriorityLow = 0,
    PriorityMedium = 1,
    PriorityHigh = 2,
}

// Age is an integer with some predefined values
type Age = int

const (
    NewBorn    Age = 0
    Teenager   Age = 12
    YoungAdult Age = 18

    // Oh no, some grey hair!
    MiddleAged Age = 50
    Mathusalem Age = 1000 // Unbelievable!
)

/**
 * Age is an integer with some predefined values
 */
export type Age = number;

/**
 * Predefined constants for type Age.
 * @namespace
 */
export const Age = {
    NewBorn: 0,
    Teenager: 12,
    YoungAdult: 18,

    /**
     * Oh no, some grey hair!
     */
    MiddleAged: 50,

    /**
     * Unbelievable!
     */
    Mathusalem: 1000,
};

/**
 * Age is an integer with some predefined values
 * @typedef {number} Age
 */

/**
 * Predefined constants for type Age.
 * @namespace
 */
export const Age = {
    NewBorn: 0,
    Teenager: 12,
    YoungAdult: 18,

    /**
     * Oh no, some grey hair!
     */
    MiddleAged: 50,

    /**
     * Unbelievable!
     */
    Mathusalem: 1000,
};

export class Person {
    "Title": Title;

    constructor($$source: Partial<Person> = {}) {
        if (!("Title" in $$source)) {
            this["Title"] = Title.$zero;  // defaults to ""
        }
        Object.assign(this, $$source);
    }
}

type Person struct {
    Title Title
    Name  string
    Age   Age
}

export class Person {
    "Title": Title;
    "Name": string;
    "Age": Age;

    constructor($$source: Partial<Person> = {}) {
        if (!("Title" in $$source)) {
            this["Title"] = Title.$zero;
        }
        if (!("Name" in $$source)) {
            this["Name"] = "";
        }
        if (!("Age" in $$source)) {
            this["Age"] = 0;
        }

        Object.assign(this, $$source);
    }
}

// services/types.go
package services

type Title string

const (
    Mister Title = "Mr"
    Miss   Title = "Miss"
    Ms     Title = "Ms"
)

// main.go
package main

import "myapp/services"

func (*GreetService) Greet(name string, title services.Title) string {
    return "Hello " + string(title) + " " + name
}

// bindings/changeme/services/models.ts
export enum Title {
    $zero = "",
    Mister = "Mr",
    Miss = "Miss",
    Ms = "Ms",
}

type Title string

func (t Title) String() string {
    return string(t)
}

const (
    Mister Title = "Mr"
    Miss   Title = "Miss"
)

package main

import (
    "github.com/wailsapp/wails/v3/pkg/application"
)

// BackgroundType defines the type of background
type BackgroundType string

const (
    BackgroundSolid    BackgroundType = "solid"
    BackgroundGradient BackgroundType = "gradient"
    BackgroundImage    BackgroundType = "image"
)

type BackgroundConfig struct {
    Type  BackgroundType `json:"type"`
    Value string         `json:"value"`
}

type ThemeService struct{}

func (*ThemeService) GetBackground() BackgroundConfig {
    return BackgroundConfig{
        Type:  BackgroundSolid,
        Value: "#ffffff",
    }
}

func (*ThemeService) SetBackground(config BackgroundConfig) error {
    // Apply background
    return nil
}

func main() {
    app := application.New(application.Options{
        Services: []application.Service{
            application.NewService(&ThemeService{}),
        },
    })
    app.Window.New()
    app.Run()
}

import { GetBackground, SetBackground } from './bindings/changeme/themeservice'
import { BackgroundConfig, BackgroundType } from './bindings/changeme/models'

// Get current background
const bg = await GetBackground()

// Check the type using enum values
if (bg.type === BackgroundType.BackgroundSolid) {
    console.log("Solid background:", bg.value)
}

// Set a new background
await SetBackground(new BackgroundConfig({
    type: BackgroundType.BackgroundGradient,
    value: "linear-gradient(to right, #000, #fff)"
}))

import { GetBackground, SetBackground } from './bindings/changeme/themeservice'
import { BackgroundConfig, BackgroundType } from './bindings/changeme/models'

// Use enum values for type-safe comparisons
const bg = await GetBackground()

switch (bg.type) {
    case BackgroundType.BackgroundSolid:
        applySolid(bg.value)
        break
    case BackgroundType.BackgroundGradient:
        applyGradient(bg.value)
        break
    case BackgroundType.BackgroundImage:
        applyImage(bg.value)
        break
}