@eaglesong/task-panorama/lib/plugins/HtmlWebpackXmlPlugin.js

Eaglesong task for Panorama

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const html_webpack_plugin_1 = tslib_1.__importDefault(require("html-webpack-plugin"));
const path_1 = tslib_1.__importDefault(require("path"));
const url_1 = require("url");
class HtmlWebpackXmlPlugin {
    apply(compiler) {
        compiler.hooks.compilation.tap(this.constructor.name, compilation => {
            const hooks = html_webpack_plugin_1.default.getHooks(compilation);
            const { publicPath } = compilation.outputOptions;
            hooks.beforeAssetTagGeneration.tap(this.constructor.name, args => {
                const xmlAssets = [];
                // eslint-disable-next-line prefer-destructuring
                const chunks = compilation.chunks;
                for (const chunk of chunks) {
                    for (const file of chunk.files) {
                        if (!file.endsWith('.xml') || chunk.__type == null)
                            continue;
                        xmlAssets.push({
                            file: args.assets.publicPath + file,
                            type: chunk.__type,
                        });
                    }
                }
                args.assets.xml = xmlAssets;
                return args;
            });
            hooks.beforeEmit.tap(this.constructor.name, args => {
                const images = Object.keys(compilation.assets)
                    .filter(assetName => /\.(png|je?pg)$/.test(assetName))
                    .map(assetName => {
                    const url = new url_1.URL(publicPath);
                    // TODO: Move publicPath higher?
                    url.pathname = path_1.default.posix.resolve(url.pathname, assetName);
                    return url.toString();
                });
                if (images.length > 0) {
                    args.html = `<!--\n${images.map(x => `"${x}"`).join('\n')}\n-->\n${args.html}`;
                }
                return args;
            });
        });
    }
}
exports.HtmlWebpackXmlPlugin = HtmlWebpackXmlPlugin;
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