@lingui/cli/dist/extract-experimental/linguiEsbuildPlugin.js

Lingui CLI to extract messages, compile catalogs, and manage translation workflows

import { transformAsync } from "@babel/core";
import fs from "fs";
import path from "path";
import { babelRe, getBabelParserOptions } from "../api/extractors/babel.js";
import linguiMacroPlugin from "@lingui/babel-plugin-lingui-macro";
export const pluginLinguiMacro = (options) => ({
    name: "linguiMacro",
    setup(build) {
        build.onLoad({ filter: babelRe, namespace: "" }, async (args) => {
            const filename = path.relative(process.cwd(), args.path);
            const contents = await fs.promises.readFile(args.path, "utf8");
            const hasMacroRe = /from ["']@lingui(\/.+)?\/macro["']/g;
            if (!hasMacroRe.test(contents)) {
                // let esbuild process file as usual
                return undefined;
            }
            const result = await transformAsync(contents, {
                babelrc: false,
                configFile: false,
                filename: filename,
                sourceMaps: "inline",
                parserOpts: {
                    plugins: getBabelParserOptions(filename, {}),
                },
                plugins: [
                    [
                        linguiMacroPlugin,
                        {
                            descriptorFields: "all",
                            linguiConfig: options.linguiConfig,
                        },
                    ],
                ],
            });
            return { contents: result.code, loader: "tsx" };
        });
    },
});