esbuild-plugin-lit/script/mod.js

Import CSS, SVG, HTML, XLIFF files as tagged-template literals. Optionally minify with esbuild minifier.

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const promises_1 = require("fs/promises");
const path = __importStar(require("path"));
const css_loader_js_1 = require("./css-loader.js");
const html_loader_js_1 = require("./html-loader.js");
const svg_loader_js_1 = require("./svg-loader.js");
const xlf_loader_js_1 = require("./xlf-loader.js");
function esbuildPluginLit(options = {}) {
    const { filter = /\.(css|svg|html|xlf)$/, specifier = "lit", } = options;
    return {
        name: "eslint-plugin-lit",
        async setup(build) {
            const svgo = options.svg?.svgo
                ? await Promise.resolve().then(() => __importStar(require("svgo")))
                : undefined;
            const htmlMinifier = options.html?.htmlMinifier
                ? await Promise.resolve().then(() => __importStar(require("html-minifier")))
                : undefined;
            const loaders = [
                new css_loader_js_1.CSSLoader(build, options.css, specifier),
                new svg_loader_js_1.SVGLoader(build, options.svg, specifier, svgo?.optimize),
                new html_loader_js_1.HTMLLoader(build, options.html, specifier, htmlMinifier?.minify),
            ];
            if (options.xlf) {
                const txml = await Promise.resolve().then(() => __importStar(require("txml")));
                loaders.push(new xlf_loader_js_1.XLFLoader(build, options.xlf, specifier, txml?.parse));
            }
            const cache = new Map();
            build.onResolve({ filter }, (args) => {
                return { path: path.resolve(args.resolveDir, args.path) };
            });
            build.onLoad({ filter }, async (args) => {
                const key = args.path;
                const input = await (0, promises_1.readFile)(key, "utf8");
                let value = cache.get(key);
                if (!value || value.input !== input) {
                    for (const loader of loaders) {
                        if (loader.extension.test(key)) {
                            const filename = path.basename(key);
                            const output = await loader.load(input, filename);
                            value = { input, output };
                            break;
                        }
                    }
                    if (!value)
                        value = { input, output: input };
                }
                return { contents: value.output, loader: "js" };
            });
        },
    };
}
exports.default = esbuildPluginLit;
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