"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = setupWriteToDisk;
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var _fs = _interopRequireDefault(require("fs"));
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var _path = _interopRequireDefault(require("path"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function setupWriteToDisk(context) {
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const compilers = context.compiler.compilers || [context.compiler];
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for (const compiler of compilers) {
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compiler.hooks.emit.tap("DevMiddleware", compilation => {
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if (compiler.hasWebpackDevMiddlewareAssetEmittedCallback) {
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return;
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}
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compiler.hooks.assetEmitted.tapAsync("DevMiddleware", (file, info, callback) => {
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let targetPath = null;
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let content = null; // webpack@5
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if (info.compilation) {
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({
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targetPath,
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content
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} = info);
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} else {
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let targetFile = file;
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const queryStringIdx = targetFile.indexOf("?");
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if (queryStringIdx >= 0) {
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targetFile = targetFile.substr(0, queryStringIdx);
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}
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let {
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outputPath
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} = compiler;
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outputPath = compilation.getPath(outputPath, {});
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content = info;
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targetPath = _path.default.join(outputPath, targetFile);
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}
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const {
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writeToDisk: filter
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} = context.options;
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const allowWrite = filter && typeof filter === "function" ? filter(targetPath) : true;
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if (!allowWrite) {
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return callback();
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}
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const dir = _path.default.dirname(targetPath);
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const name = compiler.options.name ? `Child "${compiler.options.name}": ` : "";
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return _fs.default.mkdir(dir, {
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recursive: true
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}, mkdirError => {
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if (mkdirError) {
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context.logger.error(`${name}Unable to write "${dir}" directory to disk:\n${mkdirError}`);
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return callback(mkdirError);
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}
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return _fs.default.writeFile(targetPath, content, writeFileError => {
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if (writeFileError) {
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context.logger.error(`${name}Unable to write "${targetPath}" asset to disk:\n${writeFileError}`);
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return callback(writeFileError);
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}
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context.logger.log(`${name}Asset written to disk: "${targetPath}"`);
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return callback();
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});
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});
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});
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compiler.hasWebpackDevMiddlewareAssetEmittedCallback = true;
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});
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}
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}
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