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411 lines
12 KiB
411 lines
12 KiB
1 month ago
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const RuntimeGlobals = require("../RuntimeGlobals");
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const UnsupportedFeatureWarning = require("../UnsupportedFeatureWarning");
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const AMDRequireArrayDependency = require("./AMDRequireArrayDependency");
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const AMDRequireContextDependency = require("./AMDRequireContextDependency");
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const AMDRequireDependenciesBlock = require("./AMDRequireDependenciesBlock");
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const AMDRequireDependency = require("./AMDRequireDependency");
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const AMDRequireItemDependency = require("./AMDRequireItemDependency");
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const ConstDependency = require("./ConstDependency");
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const ContextDependencyHelpers = require("./ContextDependencyHelpers");
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const LocalModuleDependency = require("./LocalModuleDependency");
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const { getLocalModule } = require("./LocalModulesHelpers");
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const UnsupportedDependency = require("./UnsupportedDependency");
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const getFunctionExpression = require("./getFunctionExpression");
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/** @typedef {import("estree").CallExpression} CallExpression */
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/** @typedef {import("estree").Expression} Expression */
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/** @typedef {import("estree").Identifier} Identifier */
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/** @typedef {import("estree").SourceLocation} SourceLocation */
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/** @typedef {import("estree").SpreadElement} SpreadElement */
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/** @typedef {import("../../declarations/WebpackOptions").JavascriptParserOptions} JavascriptParserOptions */
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/** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
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/** @typedef {import("../Module").BuildInfo} BuildInfo */
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/** @typedef {import("../javascript/BasicEvaluatedExpression")} BasicEvaluatedExpression */
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/** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */
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/** @typedef {import("../javascript/JavascriptParser").Range} Range */
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class AMDRequireDependenciesBlockParserPlugin {
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/**
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* @param {JavascriptParserOptions} options parserOptions
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*/
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constructor(options) {
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this.options = options;
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}
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/**
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* @param {JavascriptParser} parser the parser
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* @param {Expression | SpreadElement} expression expression
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* @returns {boolean} need bind this
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*/
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processFunctionArgument(parser, expression) {
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let bindThis = true;
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const fnData = getFunctionExpression(expression);
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if (fnData) {
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parser.inScope(
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fnData.fn.params.filter(
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i =>
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!["require", "module", "exports"].includes(
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/** @type {Identifier} */ (i).name
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)
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),
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() => {
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if (fnData.fn.body.type === "BlockStatement") {
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parser.walkStatement(fnData.fn.body);
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} else {
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parser.walkExpression(fnData.fn.body);
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}
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}
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);
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parser.walkExpressions(fnData.expressions);
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if (fnData.needThis === false) {
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bindThis = false;
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}
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} else {
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parser.walkExpression(expression);
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}
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return bindThis;
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}
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/**
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* @param {JavascriptParser} parser the parser
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* @returns {void}
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*/
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apply(parser) {
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parser.hooks.call
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.for("require")
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.tap(
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"AMDRequireDependenciesBlockParserPlugin",
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this.processCallRequire.bind(this, parser)
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);
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}
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/**
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* @param {JavascriptParser} parser the parser
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* @param {CallExpression} expr call expression
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* @param {BasicEvaluatedExpression} param param
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* @returns {boolean | undefined} result
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*/
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processArray(parser, expr, param) {
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if (param.isArray()) {
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for (const p of /** @type {BasicEvaluatedExpression[]} */ (param.items)) {
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const result = this.processItem(parser, expr, p);
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if (result === undefined) {
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this.processContext(parser, expr, p);
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}
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}
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return true;
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} else if (param.isConstArray()) {
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/** @type {(string | LocalModuleDependency | AMDRequireItemDependency)[]} */
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const deps = [];
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for (const request of /** @type {any[]} */ (param.array)) {
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let dep;
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let localModule;
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if (request === "require") {
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dep = RuntimeGlobals.require;
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} else if (["exports", "module"].includes(request)) {
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dep = request;
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} else if ((localModule = getLocalModule(parser.state, request))) {
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localModule.flagUsed();
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dep = new LocalModuleDependency(localModule, undefined, false);
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dep.loc = /** @type {DependencyLocation} */ (expr.loc);
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parser.state.module.addPresentationalDependency(dep);
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} else {
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dep = this.newRequireItemDependency(request);
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dep.loc = /** @type {DependencyLocation} */ (expr.loc);
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dep.optional = Boolean(parser.scope.inTry);
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parser.state.current.addDependency(dep);
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}
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deps.push(dep);
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}
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const dep = this.newRequireArrayDependency(
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deps,
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/** @type {Range} */ (param.range)
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);
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dep.loc = /** @type {DependencyLocation} */ (expr.loc);
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dep.optional = Boolean(parser.scope.inTry);
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parser.state.module.addPresentationalDependency(dep);
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return true;
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}
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}
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/**
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* @param {JavascriptParser} parser the parser
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* @param {CallExpression} expr call expression
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* @param {BasicEvaluatedExpression} param param
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* @returns {boolean | undefined} result
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*/
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processItem(parser, expr, param) {
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if (param.isConditional()) {
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for (const p of /** @type {BasicEvaluatedExpression[]} */ (
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param.options
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)) {
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const result = this.processItem(parser, expr, p);
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if (result === undefined) {
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this.processContext(parser, expr, p);
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}
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}
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return true;
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} else if (param.isString()) {
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let dep;
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let localModule;
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if (param.string === "require") {
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dep = new ConstDependency(
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RuntimeGlobals.require,
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/** @type {TODO} */ (param.string),
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[RuntimeGlobals.require]
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);
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} else if (param.string === "module") {
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dep = new ConstDependency(
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/** @type {BuildInfo} */
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(parser.state.module.buildInfo).moduleArgument,
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/** @type {Range} */ (param.range),
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[RuntimeGlobals.module]
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);
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} else if (param.string === "exports") {
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dep = new ConstDependency(
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/** @type {BuildInfo} */
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(parser.state.module.buildInfo).exportsArgument,
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/** @type {Range} */ (param.range),
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[RuntimeGlobals.exports]
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);
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} else if (
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(localModule = getLocalModule(
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parser.state,
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/** @type {string} */ (param.string)
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))
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) {
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localModule.flagUsed();
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dep = new LocalModuleDependency(localModule, param.range, false);
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} else {
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dep = this.newRequireItemDependency(
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/** @type {string} */ (param.string),
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param.range
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);
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dep.loc = /** @type {DependencyLocation} */ (expr.loc);
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dep.optional = Boolean(parser.scope.inTry);
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parser.state.current.addDependency(dep);
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return true;
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}
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dep.loc = /** @type {DependencyLocation} */ (expr.loc);
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parser.state.module.addPresentationalDependency(dep);
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return true;
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}
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}
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/**
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* @param {JavascriptParser} parser the parser
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* @param {CallExpression} expr call expression
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* @param {BasicEvaluatedExpression} param param
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* @returns {boolean | undefined} result
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*/
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processContext(parser, expr, param) {
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const dep = ContextDependencyHelpers.create(
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AMDRequireContextDependency,
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/** @type {Range} */ (param.range),
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param,
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expr,
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this.options,
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{
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category: "amd"
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},
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parser
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);
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if (!dep) return;
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dep.loc = /** @type {DependencyLocation} */ (expr.loc);
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dep.optional = Boolean(parser.scope.inTry);
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parser.state.current.addDependency(dep);
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return true;
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}
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/**
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* @param {BasicEvaluatedExpression} param param
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* @returns {string | undefined} result
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*/
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processArrayForRequestString(param) {
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if (param.isArray()) {
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const result =
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/** @type {BasicEvaluatedExpression[]} */
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(param.items).map(item => this.processItemForRequestString(item));
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if (result.every(Boolean)) return result.join(" ");
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} else if (param.isConstArray()) {
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return /** @type {string[]} */ (param.array).join(" ");
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}
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}
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/**
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* @param {BasicEvaluatedExpression} param param
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* @returns {string | undefined} result
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*/
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processItemForRequestString(param) {
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if (param.isConditional()) {
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const result =
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/** @type {BasicEvaluatedExpression[]} */
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(param.options).map(item => this.processItemForRequestString(item));
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if (result.every(Boolean)) return result.join("|");
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} else if (param.isString()) {
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return param.string;
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}
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}
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/**
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* @param {JavascriptParser} parser the parser
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* @param {CallExpression} expr call expression
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* @returns {boolean | undefined} result
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*/
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processCallRequire(parser, expr) {
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/** @type {BasicEvaluatedExpression | undefined} */
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let param;
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/** @type {AMDRequireDependenciesBlock | undefined | null} */
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let depBlock;
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/** @type {AMDRequireDependency | undefined} */
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let dep;
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/** @type {boolean | undefined} */
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let result;
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const old = parser.state.current;
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if (expr.arguments.length >= 1) {
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param = parser.evaluateExpression(
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/** @type {Expression} */ (expr.arguments[0])
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);
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depBlock = this.newRequireDependenciesBlock(
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/** @type {DependencyLocation} */ (expr.loc),
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this.processArrayForRequestString(param)
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);
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dep = this.newRequireDependency(
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/** @type {Range} */ (expr.range),
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/** @type {Range} */ (param.range),
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expr.arguments.length > 1
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? /** @type {Range} */ (expr.arguments[1].range)
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: null,
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expr.arguments.length > 2
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? /** @type {Range} */ (expr.arguments[2].range)
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: null
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);
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dep.loc = /** @type {DependencyLocation} */ (expr.loc);
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depBlock.addDependency(dep);
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parser.state.current = /** @type {TODO} */ (depBlock);
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}
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if (expr.arguments.length === 1) {
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parser.inScope([], () => {
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result = this.processArray(
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parser,
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expr,
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/** @type {BasicEvaluatedExpression} */ (param)
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);
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});
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parser.state.current = old;
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if (!result) return;
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parser.state.current.addBlock(
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/** @type {AMDRequireDependenciesBlock} */ (depBlock)
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);
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return true;
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}
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if (expr.arguments.length === 2 || expr.arguments.length === 3) {
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try {
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parser.inScope([], () => {
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result = this.processArray(
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parser,
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expr,
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/** @type {BasicEvaluatedExpression} */ (param)
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);
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});
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if (!result) {
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const dep = new UnsupportedDependency(
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"unsupported",
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/** @type {Range} */ (expr.range)
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);
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old.addPresentationalDependency(dep);
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if (parser.state.module) {
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parser.state.module.addError(
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new UnsupportedFeatureWarning(
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`Cannot statically analyse 'require(…, …)' in line ${
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/** @type {SourceLocation} */ (expr.loc).start.line
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}`,
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/** @type {DependencyLocation} */ (expr.loc)
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)
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);
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}
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depBlock = null;
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return true;
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}
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/** @type {AMDRequireDependency} */
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(dep).functionBindThis = this.processFunctionArgument(
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parser,
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expr.arguments[1]
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);
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if (expr.arguments.length === 3) {
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/** @type {AMDRequireDependency} */
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(dep).errorCallbackBindThis = this.processFunctionArgument(
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parser,
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expr.arguments[2]
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);
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}
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} finally {
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parser.state.current = old;
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if (depBlock) parser.state.current.addBlock(depBlock);
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}
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return true;
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}
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}
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|
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|
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/**
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* @param {DependencyLocation} loc location
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* @param {string=} request request
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* @returns {AMDRequireDependenciesBlock} AMDRequireDependenciesBlock
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*/
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newRequireDependenciesBlock(loc, request) {
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return new AMDRequireDependenciesBlock(loc, request);
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}
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|
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/**
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* @param {Range} outerRange outer range
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* @param {Range} arrayRange array range
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* @param {Range | null} functionRange function range
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* @param {Range | null} errorCallbackRange error callback range
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* @returns {AMDRequireDependency} dependency
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*/
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|
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newRequireDependency(
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outerRange,
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||
|
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arrayRange,
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||
|
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functionRange,
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||
|
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errorCallbackRange
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||
|
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) {
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|
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return new AMDRequireDependency(
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|
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outerRange,
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arrayRange,
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||
|
|
functionRange,
|
||
|
|
errorCallbackRange
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {string} request request
|
||
|
|
* @param {Range=} range range
|
||
|
|
* @returns {AMDRequireItemDependency} AMDRequireItemDependency
|
||
|
|
*/
|
||
|
|
newRequireItemDependency(request, range) {
|
||
|
|
return new AMDRequireItemDependency(request, range);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {(string | LocalModuleDependency | AMDRequireItemDependency)[]} depsArray deps array
|
||
|
|
* @param {Range} range range
|
||
|
|
* @returns {AMDRequireArrayDependency} AMDRequireArrayDependency
|
||
|
|
*/
|
||
|
|
newRequireArrayDependency(depsArray, range) {
|
||
|
|
return new AMDRequireArrayDependency(depsArray, range);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
module.exports = AMDRequireDependenciesBlockParserPlugin;
|