block.json を翻訳して多言語対応・国際化する方法

{
    "$schema": "https://schemas.wp.org/trunk/block.json",
    "apiVersion": 2,
    "name": "my-plugin/example",
    "title": "Example Block",
    "category": "text",
    "icon": "star",
    "textdomain": "my-plugin",
    "attributes": {},
    "styles": [
        { "name": "default", "label": "Default", "isDefault": true },
        { "name": "other", "label": "Other" }
    ],
    "editorScript": "file:./index.js",
    "editorStyle": "file:./index.css",
    "style": "file:./style-index.css"
}

{
    "$schema": "https://schemas.wp.org/trunk/block.json",
    "apiVersion": 2,
    "name": "my-plugin/example",
    "title": "Example Block",
    "category": "text",
    "icon": "star",
    "description": "This is my first block!",
    "keywords": [ "message" ],
    "textdomain": "my-plugin", ← ココで指定
    "attributes": {},
    "styles": [
        { "name": "default", "label": "Default", "isDefault": true },
        { "name": "other", "label": "Other" }
    ],
    "editorScript": "file:./index.js",
    "editorStyle": "file:./index.css",
    "style": "file:./style-index.css"
}

function register_my_block() 
{
        register_block_type(
                "my-pulgin/block",  // ブロックの名前
                [
                    "editor_script" => "my-plugin-script",  // 編集画面で読み込む JS
                    "style" => "my-plugin-style",    // 編集画面・フロントで読み込む CSS
                    "editor_style" => "my-plugin-editor-style"    // 編集画面で読み込む CSS
                ]
        );
}
add_action("init", "register_my_block");

function register_my_block() 
{
        register_block_type(
                __DIR__ . "/build",  // block.json を含むディレクトリへのパス
        );
}
add_action("init", "register_my_block");

function register_my_block() 
{
        register_block_type(
                __DIR__ . "/build",  // block.json を含むディレクトリへのパス
                [
                    "title" => _x("Example Block", "block title", TEXT_DOMAIN),
                    "description" => _x("This is my first block!", "block description", TEXT_DOMAIN),
                    "keywords" => [_x("message", "block keyword", TEXT_DOMAIN)]
                ]
        );
}
add_action("init", "register_my_block");

{
    ...
    "styles": [
        { "name": "default", "label": "Rect" },
        { "name": "round", "label": "Round" }
    ],
    ...
}

# Copyright (C) 2023 beginner-blogger.com
# This file is distributed under the GPL2 or later.
msgid ""
msgstr ""
"Project-Id-Version: Useful Tab Block PREMIUM – Responsive & AMP-Compatible 1.3.1\n"
"Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/Useful-Tab-Block-Premium\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"POT-Creation-Date: 2023-04-01T00:00:00+09:00\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"X-Generator: WP-CLI 2.7.1\n"
"X-Domain: useful-tab-block\n"

#. Plugin Name of the plugin
msgid "Useful Tab Block PREMIUM – Responsive & AMP-Compatible"
msgstr ""

#. Plugin URI of the plugin
msgid "https://www.beginner-blogger.com/useful-tab-block"
msgstr ""

msgctxt "block title"
msgid "Example Block"
msgstr ""

function register_my_block() 
{
        register_block_type(
                __DIR__ . "/build",  // block.json を含むディレクトリへのパス
                [
                    "title" => _x("Example Block", "block title", TEXT_DOMAIN),
                    "description" => _x("This is my first block!", "block description", TEXT_DOMAIN),
                    "keywords" => [_x("message", "block keyword", TEXT_DOMAIN)]
                ]
        );
        // ↓を追加
        load_plugin_textdomain(TEXT_DOMAIN, false, basename(dirname(__FILE__)) . "/languages");
}
add_action("init", "register_my_block");