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88 lines
2.7 KiB
88 lines
2.7 KiB
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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*/
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"use strict";
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const WebpackError = require("../WebpackError");
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/** @typedef {import("../Module")} Module */
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/** @typedef {import("../RequestShortener")} RequestShortener */
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/**
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* @param {Module} module module to get chains from
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* @param {RequestShortener} requestShortener to make readable identifiers
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* @returns {string[]} all chains to the module
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*/
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const getInitialModuleChains = (module, requestShortener) => {
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const queue = [
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{ head: module, message: module.readableIdentifier(requestShortener) }
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];
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/** @type {Set<string>} */
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const results = new Set();
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/** @type {Set<string>} */
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const incompleteResults = new Set();
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/** @type {Set<Module>} */
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const visitedModules = new Set();
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for (const chain of queue) {
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const { head, message } = chain;
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let final = true;
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/** @type {Set<Module>} */
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const alreadyReferencedModules = new Set();
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for (const reason of head.reasons) {
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const newHead = reason.module;
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if (newHead) {
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if (!newHead.getChunks().some(c => c.canBeInitial())) continue;
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final = false;
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if (alreadyReferencedModules.has(newHead)) continue;
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alreadyReferencedModules.add(newHead);
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const moduleName = newHead.readableIdentifier(requestShortener);
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const detail = reason.explanation ? ` (${reason.explanation})` : "";
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const newMessage = `${moduleName}${detail} --> ${message}`;
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if (visitedModules.has(newHead)) {
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incompleteResults.add(`... --> ${newMessage}`);
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continue;
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}
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visitedModules.add(newHead);
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queue.push({
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head: newHead,
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message: newMessage
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});
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} else {
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final = false;
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const newMessage = reason.explanation
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? `(${reason.explanation}) --> ${message}`
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: message;
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results.add(newMessage);
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}
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}
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if (final) {
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results.add(message);
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}
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}
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for (const result of incompleteResults) {
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results.add(result);
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}
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return Array.from(results);
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};
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module.exports = class WebAssemblyInInitialChunkError extends WebpackError {
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/**
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* @param {Module} module WASM module
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* @param {RequestShortener} requestShortener request shortener
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*/
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constructor(module, requestShortener) {
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const moduleChains = getInitialModuleChains(module, requestShortener);
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const message = `WebAssembly module is included in initial chunk.
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This is not allowed, because WebAssembly download and compilation must happen asynchronous.
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Add an async splitpoint (i. e. import()) somewhere between your entrypoint and the WebAssembly module:
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${moduleChains.map(s => `* ${s}`).join("\n")}`;
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super(message);
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this.name = "WebAssemblyInInitialChunkError";
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this.hideStack = true;
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this.module = module;
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Error.captureStackTrace(this, this.constructor);
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}
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};
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