更新

node_modules/webpack-sources/lib/SizeOnlySource.js

@@ -0,0 +1,71 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const Source = require("./Source");
+
+/** @typedef {import("./Source").HashLike} HashLike */
+/** @typedef {import("./Source").MapOptions} MapOptions */
+/** @typedef {import("./Source").RawSourceMap} RawSourceMap */
+/** @typedef {import("./Source").SourceValue} SourceValue */
+
+class SizeOnlySource extends Source {
+	/**
+	 * @param {number} size size
+	 */
+	constructor(size) {
+		super();
+		/**
+		 * @private
+		 * @type {number}
+		 */
+		this._size = size;
+	}
+
+	_error() {
+		return new Error(
+			"Content and Map of this Source is not available (only size() is supported)",
+		);
+	}
+
+	size() {
+		return this._size;
+	}
+
+	/**
+	 * @returns {SourceValue} source
+	 */
+	source() {
+		throw this._error();
+	}
+
+	/**
+	 * @returns {Buffer} buffer
+	 */
+	buffer() {
+		throw this._error();
+	}
+
+	/**
+	 * @param {MapOptions=} options map options
+	 * @returns {RawSourceMap | null} map
+	 */
+	// eslint-disable-next-line no-unused-vars
+	map(options) {
+		throw this._error();
+	}
+
+	/**
+	 * @param {HashLike} hash hash
+	 * @returns {void}
+	 */
+	// eslint-disable-next-line no-unused-vars
+	updateHash(hash) {
+		throw this._error();
+	}
+}
+
+module.exports = SizeOnlySource;