You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
417 lines
13 KiB
417 lines
13 KiB
2 years ago
|
/*
|
||
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
||
|
|
Author Tobias Koppers @sokra
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
const { pathToFileURL } = require("url");
|
||
|
|
const AsyncDependenciesBlock = require("../AsyncDependenciesBlock");
|
||
|
|
const CommentCompilationWarning = require("../CommentCompilationWarning");
|
||
|
|
const UnsupportedFeatureWarning = require("../UnsupportedFeatureWarning");
|
||
|
|
const EnableChunkLoadingPlugin = require("../javascript/EnableChunkLoadingPlugin");
|
||
|
|
const { equals } = require("../util/ArrayHelpers");
|
||
|
|
const createHash = require("../util/createHash");
|
||
|
|
const { contextify } = require("../util/identifier");
|
||
|
|
const EnableWasmLoadingPlugin = require("../wasm/EnableWasmLoadingPlugin");
|
||
|
|
const ConstDependency = require("./ConstDependency");
|
||
|
|
const CreateScriptUrlDependency = require("./CreateScriptUrlDependency");
|
||
|
|
const {
|
||
|
|
harmonySpecifierTag
|
||
|
|
} = require("./HarmonyImportDependencyParserPlugin");
|
||
|
|
const WorkerDependency = require("./WorkerDependency");
|
||
|
|
|
||
|
|
/** @typedef {import("estree").Expression} Expression */
|
||
|
|
/** @typedef {import("estree").ObjectExpression} ObjectExpression */
|
||
|
|
/** @typedef {import("estree").Pattern} Pattern */
|
||
|
|
/** @typedef {import("estree").Property} Property */
|
||
|
|
/** @typedef {import("estree").SpreadElement} SpreadElement */
|
||
|
|
/** @typedef {import("../Compiler")} Compiler */
|
||
|
|
/** @typedef {import("../Entrypoint").EntryOptions} EntryOptions */
|
||
|
|
/** @typedef {import("../Parser").ParserState} ParserState */
|
||
|
|
/** @typedef {import("../javascript/BasicEvaluatedExpression")} BasicEvaluatedExpression */
|
||
|
|
/** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */
|
||
|
|
/** @typedef {import("./HarmonyImportDependencyParserPlugin").HarmonySettings} HarmonySettings */
|
||
|
|
|
||
|
|
const getUrl = module => {
|
||
|
|
return pathToFileURL(module.resource).toString();
|
||
|
|
};
|
||
|
|
|
||
|
|
const DEFAULT_SYNTAX = [
|
||
|
|
"Worker",
|
||
|
|
"SharedWorker",
|
||
|
|
"navigator.serviceWorker.register()",
|
||
|
|
"Worker from worker_threads"
|
||
|
|
];
|
||
|
|
|
||
|
|
/** @type {WeakMap<ParserState, number>} */
|
||
|
|
const workerIndexMap = new WeakMap();
|
||
|
|
|
||
|
|
class WorkerPlugin {
|
||
|
|
constructor(chunkLoading, wasmLoading, module) {
|
||
|
|
this._chunkLoading = chunkLoading;
|
||
|
|
this._wasmLoading = wasmLoading;
|
||
|
|
this._module = module;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Apply the plugin
|
||
|
|
* @param {Compiler} compiler the compiler instance
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
apply(compiler) {
|
||
|
|
if (this._chunkLoading) {
|
||
|
|
new EnableChunkLoadingPlugin(this._chunkLoading).apply(compiler);
|
||
|
|
}
|
||
|
|
if (this._wasmLoading) {
|
||
|
|
new EnableWasmLoadingPlugin(this._wasmLoading).apply(compiler);
|
||
|
|
}
|
||
|
|
const cachedContextify = contextify.bindContextCache(
|
||
|
|
compiler.context,
|
||
|
|
compiler.root
|
||
|
|
);
|
||
|
|
compiler.hooks.thisCompilation.tap(
|
||
|
|
"WorkerPlugin",
|
||
|
|
(compilation, { normalModuleFactory }) => {
|
||
|
|
compilation.dependencyFactories.set(
|
||
|
|
WorkerDependency,
|
||
|
|
normalModuleFactory
|
||
|
|
);
|
||
|
|
compilation.dependencyTemplates.set(
|
||
|
|
WorkerDependency,
|
||
|
|
new WorkerDependency.Template()
|
||
|
|
);
|
||
|
|
compilation.dependencyTemplates.set(
|
||
|
|
CreateScriptUrlDependency,
|
||
|
|
new CreateScriptUrlDependency.Template()
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {JavascriptParser} parser the parser
|
||
|
|
* @param {Expression} expr expression
|
||
|
|
* @returns {[BasicEvaluatedExpression, [number, number]]} parsed
|
||
|
|
*/
|
||
|
|
const parseModuleUrl = (parser, expr) => {
|
||
|
|
if (
|
||
|
|
expr.type !== "NewExpression" ||
|
||
|
|
expr.callee.type === "Super" ||
|
||
|
|
expr.arguments.length !== 2
|
||
|
|
)
|
||
|
|
return;
|
||
|
|
const [arg1, arg2] = expr.arguments;
|
||
|
|
if (arg1.type === "SpreadElement") return;
|
||
|
|
if (arg2.type === "SpreadElement") return;
|
||
|
|
const callee = parser.evaluateExpression(expr.callee);
|
||
|
|
if (!callee.isIdentifier() || callee.identifier !== "URL") return;
|
||
|
|
const arg2Value = parser.evaluateExpression(arg2);
|
||
|
|
if (
|
||
|
|
!arg2Value.isString() ||
|
||
|
|
!arg2Value.string.startsWith("file://") ||
|
||
|
|
arg2Value.string !== getUrl(parser.state.module)
|
||
|
|
) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const arg1Value = parser.evaluateExpression(arg1);
|
||
|
|
return [arg1Value, [arg1.range[0], arg2.range[1]]];
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {JavascriptParser} parser the parser
|
||
|
|
* @param {ObjectExpression} expr expression
|
||
|
|
* @returns {{ expressions: Record<string, Expression | Pattern>, otherElements: (Property | SpreadElement)[], values: Record<string, any>, spread: boolean, insertType: "comma" | "single", insertLocation: number }} parsed object
|
||
|
|
*/
|
||
|
|
const parseObjectExpression = (parser, expr) => {
|
||
|
|
/** @type {Record<string, any>} */
|
||
|
|
const values = {};
|
||
|
|
/** @type {Record<string, Expression | Pattern>} */
|
||
|
|
const expressions = {};
|
||
|
|
/** @type {(Property | SpreadElement)[]} */
|
||
|
|
const otherElements = [];
|
||
|
|
let spread = false;
|
||
|
|
for (const prop of expr.properties) {
|
||
|
|
if (prop.type === "SpreadElement") {
|
||
|
|
spread = true;
|
||
|
|
} else if (
|
||
|
|
prop.type === "Property" &&
|
||
|
|
!prop.method &&
|
||
|
|
!prop.computed &&
|
||
|
|
prop.key.type === "Identifier"
|
||
|
|
) {
|
||
|
|
expressions[prop.key.name] = prop.value;
|
||
|
|
if (!prop.shorthand && !prop.value.type.endsWith("Pattern")) {
|
||
|
|
const value = parser.evaluateExpression(
|
||
|
|
/** @type {Expression} */ (prop.value)
|
||
|
|
);
|
||
|
|
if (value.isCompileTimeValue())
|
||
|
|
values[prop.key.name] = value.asCompileTimeValue();
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
otherElements.push(prop);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const insertType = expr.properties.length > 0 ? "comma" : "single";
|
||
|
|
const insertLocation =
|
||
|
|
expr.properties[expr.properties.length - 1].range[1];
|
||
|
|
return {
|
||
|
|
expressions,
|
||
|
|
otherElements,
|
||
|
|
values,
|
||
|
|
spread,
|
||
|
|
insertType,
|
||
|
|
insertLocation
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {JavascriptParser} parser the parser
|
||
|
|
* @param {object} parserOptions options
|
||
|
|
*/
|
||
|
|
const parserPlugin = (parser, parserOptions) => {
|
||
|
|
if (parserOptions.worker === false) return;
|
||
|
|
const options = !Array.isArray(parserOptions.worker)
|
||
|
|
? ["..."]
|
||
|
|
: parserOptions.worker;
|
||
|
|
const handleNewWorker = expr => {
|
||
|
|
if (expr.arguments.length === 0 || expr.arguments.length > 2)
|
||
|
|
return;
|
||
|
|
const [arg1, arg2] = expr.arguments;
|
||
|
|
if (arg1.type === "SpreadElement") return;
|
||
|
|
if (arg2 && arg2.type === "SpreadElement") return;
|
||
|
|
const parsedUrl = parseModuleUrl(parser, arg1);
|
||
|
|
if (!parsedUrl) return;
|
||
|
|
const [url, range] = parsedUrl;
|
||
|
|
if (!url.isString()) return;
|
||
|
|
const {
|
||
|
|
expressions,
|
||
|
|
otherElements,
|
||
|
|
values: options,
|
||
|
|
spread: hasSpreadInOptions,
|
||
|
|
insertType,
|
||
|
|
insertLocation
|
||
|
|
} = arg2 && arg2.type === "ObjectExpression"
|
||
|
|
? parseObjectExpression(parser, arg2)
|
||
|
|
: {
|
||
|
|
expressions: {},
|
||
|
|
otherElements: [],
|
||
|
|
values: {},
|
||
|
|
spread: false,
|
||
|
|
insertType: arg2 ? "spread" : "argument",
|
||
|
|
insertLocation: arg2 ? arg2.range : arg1.range[1]
|
||
|
|
};
|
||
|
|
const { options: importOptions, errors: commentErrors } =
|
||
|
|
parser.parseCommentOptions(expr.range);
|
||
|
|
|
||
|
|
if (commentErrors) {
|
||
|
|
for (const e of commentErrors) {
|
||
|
|
const { comment } = e;
|
||
|
|
parser.state.module.addWarning(
|
||
|
|
new CommentCompilationWarning(
|
||
|
|
`Compilation error while processing magic comment(-s): /*${comment.value}*/: ${e.message}`,
|
||
|
|
comment.loc
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** @type {EntryOptions} */
|
||
|
|
let entryOptions = {};
|
||
|
|
|
||
|
|
if (importOptions) {
|
||
|
|
if (importOptions.webpackIgnore !== undefined) {
|
||
|
|
if (typeof importOptions.webpackIgnore !== "boolean") {
|
||
|
|
parser.state.module.addWarning(
|
||
|
|
new UnsupportedFeatureWarning(
|
||
|
|
`\`webpackIgnore\` expected a boolean, but received: ${importOptions.webpackIgnore}.`,
|
||
|
|
expr.loc
|
||
|
|
)
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
if (importOptions.webpackIgnore) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (importOptions.webpackEntryOptions !== undefined) {
|
||
|
|
if (
|
||
|
|
typeof importOptions.webpackEntryOptions !== "object" ||
|
||
|
|
importOptions.webpackEntryOptions === null
|
||
|
|
) {
|
||
|
|
parser.state.module.addWarning(
|
||
|
|
new UnsupportedFeatureWarning(
|
||
|
|
`\`webpackEntryOptions\` expected a object, but received: ${importOptions.webpackEntryOptions}.`,
|
||
|
|
expr.loc
|
||
|
|
)
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
Object.assign(
|
||
|
|
entryOptions,
|
||
|
|
importOptions.webpackEntryOptions
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (importOptions.webpackChunkName !== undefined) {
|
||
|
|
if (typeof importOptions.webpackChunkName !== "string") {
|
||
|
|
parser.state.module.addWarning(
|
||
|
|
new UnsupportedFeatureWarning(
|
||
|
|
`\`webpackChunkName\` expected a string, but received: ${importOptions.webpackChunkName}.`,
|
||
|
|
expr.loc
|
||
|
|
)
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
entryOptions.name = importOptions.webpackChunkName;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
!Object.prototype.hasOwnProperty.call(entryOptions, "name") &&
|
||
|
|
options &&
|
||
|
|
typeof options.name === "string"
|
||
|
|
) {
|
||
|
|
entryOptions.name = options.name;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (entryOptions.runtime === undefined) {
|
||
|
|
let i = workerIndexMap.get(parser.state) || 0;
|
||
|
|
workerIndexMap.set(parser.state, i + 1);
|
||
|
|
let name = `${cachedContextify(
|
||
|
|
parser.state.module.identifier()
|
||
|
|
)}|${i}`;
|
||
|
|
const hash = createHash(compilation.outputOptions.hashFunction);
|
||
|
|
hash.update(name);
|
||
|
|
const digest = /** @type {string} */ (
|
||
|
|
hash.digest(compilation.outputOptions.hashDigest)
|
||
|
|
);
|
||
|
|
entryOptions.runtime = digest.slice(
|
||
|
|
0,
|
||
|
|
compilation.outputOptions.hashDigestLength
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
const block = new AsyncDependenciesBlock({
|
||
|
|
name: entryOptions.name,
|
||
|
|
entryOptions: {
|
||
|
|
chunkLoading: this._chunkLoading,
|
||
|
|
wasmLoading: this._wasmLoading,
|
||
|
|
...entryOptions
|
||
|
|
}
|
||
|
|
});
|
||
|
|
block.loc = expr.loc;
|
||
|
|
const dep = new WorkerDependency(url.string, range);
|
||
|
|
dep.loc = expr.loc;
|
||
|
|
block.addDependency(dep);
|
||
|
|
parser.state.module.addBlock(block);
|
||
|
|
|
||
|
|
if (compilation.outputOptions.trustedTypes) {
|
||
|
|
const dep = new CreateScriptUrlDependency(
|
||
|
|
expr.arguments[0].range
|
||
|
|
);
|
||
|
|
dep.loc = expr.loc;
|
||
|
|
parser.state.module.addDependency(dep);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (expressions.type) {
|
||
|
|
const expr = expressions.type;
|
||
|
|
if (options.type !== false) {
|
||
|
|
const dep = new ConstDependency(
|
||
|
|
this._module ? '"module"' : "undefined",
|
||
|
|
expr.range
|
||
|
|
);
|
||
|
|
dep.loc = expr.loc;
|
||
|
|
parser.state.module.addPresentationalDependency(dep);
|
||
|
|
expressions.type = undefined;
|
||
|
|
}
|
||
|
|
} else if (insertType === "comma") {
|
||
|
|
if (this._module || hasSpreadInOptions) {
|
||
|
|
const dep = new ConstDependency(
|
||
|
|
`, type: ${this._module ? '"module"' : "undefined"}`,
|
||
|
|
insertLocation
|
||
|
|
);
|
||
|
|
dep.loc = expr.loc;
|
||
|
|
parser.state.module.addPresentationalDependency(dep);
|
||
|
|
}
|
||
|
|
} else if (insertType === "spread") {
|
||
|
|
const dep1 = new ConstDependency(
|
||
|
|
"Object.assign({}, ",
|
||
|
|
insertLocation[0]
|
||
|
|
);
|
||
|
|
const dep2 = new ConstDependency(
|
||
|
|
`, { type: ${this._module ? '"module"' : "undefined"} })`,
|
||
|
|
insertLocation[1]
|
||
|
|
);
|
||
|
|
dep1.loc = expr.loc;
|
||
|
|
dep2.loc = expr.loc;
|
||
|
|
parser.state.module.addPresentationalDependency(dep1);
|
||
|
|
parser.state.module.addPresentationalDependency(dep2);
|
||
|
|
} else if (insertType === "argument") {
|
||
|
|
if (this._module) {
|
||
|
|
const dep = new ConstDependency(
|
||
|
|
', { type: "module" }',
|
||
|
|
insertLocation
|
||
|
|
);
|
||
|
|
dep.loc = expr.loc;
|
||
|
|
parser.state.module.addPresentationalDependency(dep);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
parser.walkExpression(expr.callee);
|
||
|
|
for (const key of Object.keys(expressions)) {
|
||
|
|
if (expressions[key]) parser.walkExpression(expressions[key]);
|
||
|
|
}
|
||
|
|
for (const prop of otherElements) {
|
||
|
|
parser.walkProperty(prop);
|
||
|
|
}
|
||
|
|
if (insertType === "spread") {
|
||
|
|
parser.walkExpression(arg2);
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
};
|
||
|
|
const processItem = item => {
|
||
|
|
if (item.endsWith("()")) {
|
||
|
|
parser.hooks.call
|
||
|
|
.for(item.slice(0, -2))
|
||
|
|
.tap("WorkerPlugin", handleNewWorker);
|
||
|
|
} else {
|
||
|
|
const match = /^(.+?)(\(\))?\s+from\s+(.+)$/.exec(item);
|
||
|
|
if (match) {
|
||
|
|
const ids = match[1].split(".");
|
||
|
|
const call = match[2];
|
||
|
|
const source = match[3];
|
||
|
|
(call ? parser.hooks.call : parser.hooks.new)
|
||
|
|
.for(harmonySpecifierTag)
|
||
|
|
.tap("WorkerPlugin", expr => {
|
||
|
|
const settings = /** @type {HarmonySettings} */ (
|
||
|
|
parser.currentTagData
|
||
|
|
);
|
||
|
|
if (
|
||
|
|
!settings ||
|
||
|
|
settings.source !== source ||
|
||
|
|
!equals(settings.ids, ids)
|
||
|
|
) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
return handleNewWorker(expr);
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
parser.hooks.new.for(item).tap("WorkerPlugin", handleNewWorker);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
for (const item of options) {
|
||
|
|
if (item === "...") {
|
||
|
|
DEFAULT_SYNTAX.forEach(processItem);
|
||
|
|
} else processItem(item);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
normalModuleFactory.hooks.parser
|
||
|
|
.for("javascript/auto")
|
||
|
|
.tap("WorkerPlugin", parserPlugin);
|
||
|
|
normalModuleFactory.hooks.parser
|
||
|
|
.for("javascript/esm")
|
||
|
|
.tap("WorkerPlugin", parserPlugin);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
module.exports = WorkerPlugin;
|