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authorlittleblack111 <littleblack11111@gmail.com>2024-08-30 17:21:18 +0800
committerlittleblack111 <littleblack11111@gmail.com>2024-08-30 17:21:18 +0800
commitefbc2ffe6a1ee5ec38a4396305561d6515d0943e (patch)
tree2b4c94f18f2c792dfda813050755d5c0273fae22 /node_modules/webpack/lib/javascript/JavascriptGenerator.js
parent43acceb75957c880a5ba5a31aae221394a36d5f6 (diff)
node fixes, updates
Diffstat (limited to 'node_modules/webpack/lib/javascript/JavascriptGenerator.js')
-rw-r--r--node_modules/webpack/lib/javascript/JavascriptGenerator.js255
1 files changed, 255 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/javascript/JavascriptGenerator.js b/node_modules/webpack/lib/javascript/JavascriptGenerator.js
new file mode 100644
index 00000000..b154a60b
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+++ b/node_modules/webpack/lib/javascript/JavascriptGenerator.js
@@ -0,0 +1,255 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const util = require("util");
+const { RawSource, ReplaceSource } = require("webpack-sources");
+const Generator = require("../Generator");
+const InitFragment = require("../InitFragment");
+const HarmonyCompatibilityDependency = require("../dependencies/HarmonyCompatibilityDependency");
+
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("../DependenciesBlock")} DependenciesBlock */
+/** @typedef {import("../Dependency")} Dependency */
+/** @typedef {import("../DependencyTemplate")} DependencyTemplate */
+/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
+/** @typedef {import("../DependencyTemplates")} DependencyTemplates */
+/** @typedef {import("../Generator").GenerateContext} GenerateContext */
+/** @typedef {import("../Module")} Module */
+/** @typedef {import("../Module").ConcatenationBailoutReasonContext} ConcatenationBailoutReasonContext */
+/** @typedef {import("../NormalModule")} NormalModule */
+/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
+
+// TODO: clean up this file
+// replace with newer constructs
+
+const deprecatedGetInitFragments = util.deprecate(
+ /**
+ * @param {DependencyTemplate} template template
+ * @param {Dependency} dependency dependency
+ * @param {DependencyTemplateContext} templateContext template context
+ * @returns {InitFragment<GenerateContext>[]} init fragments
+ */
+ (template, dependency, templateContext) =>
+ /** @type {DependencyTemplate & { getInitFragments: function(Dependency, DependencyTemplateContext): InitFragment<GenerateContext>[] }} */
+ (template).getInitFragments(dependency, templateContext),
+ "DependencyTemplate.getInitFragment is deprecated (use apply(dep, source, { initFragments }) instead)",
+ "DEP_WEBPACK_JAVASCRIPT_GENERATOR_GET_INIT_FRAGMENTS"
+);
+
+const TYPES = new Set(["javascript"]);
+
+class JavascriptGenerator extends Generator {
+ /**
+ * @param {NormalModule} module fresh module
+ * @returns {Set<string>} available types (do not mutate)
+ */
+ getTypes(module) {
+ return TYPES;
+ }
+
+ /**
+ * @param {NormalModule} module the module
+ * @param {string=} type source type
+ * @returns {number} estimate size of the module
+ */
+ getSize(module, type) {
+ const originalSource = module.originalSource();
+ if (!originalSource) {
+ return 39;
+ }
+ return originalSource.size();
+ }
+
+ /**
+ * @param {NormalModule} module module for which the bailout reason should be determined
+ * @param {ConcatenationBailoutReasonContext} context context
+ * @returns {string | undefined} reason why this module can't be concatenated, undefined when it can be concatenated
+ */
+ getConcatenationBailoutReason(module, context) {
+ // Only harmony modules are valid for optimization
+ if (
+ !module.buildMeta ||
+ module.buildMeta.exportsType !== "namespace" ||
+ module.presentationalDependencies === undefined ||
+ !module.presentationalDependencies.some(
+ d => d instanceof HarmonyCompatibilityDependency
+ )
+ ) {
+ return "Module is not an ECMAScript module";
+ }
+
+ // Some expressions are not compatible with module concatenation
+ // because they may produce unexpected results. The plugin bails out
+ // if some were detected upfront.
+ if (module.buildInfo && module.buildInfo.moduleConcatenationBailout) {
+ return `Module uses ${module.buildInfo.moduleConcatenationBailout}`;
+ }
+ }
+
+ /**
+ * @param {NormalModule} module module for which the code should be generated
+ * @param {GenerateContext} generateContext context for generate
+ * @returns {Source} generated code
+ */
+ generate(module, generateContext) {
+ const originalSource = module.originalSource();
+ if (!originalSource) {
+ return new RawSource("throw new Error('No source available');");
+ }
+
+ const source = new ReplaceSource(originalSource);
+ /** @type {InitFragment<GenerateContext>[]} */
+ const initFragments = [];
+
+ this.sourceModule(module, initFragments, source, generateContext);
+
+ return InitFragment.addToSource(source, initFragments, generateContext);
+ }
+
+ /**
+ * @param {Module} module the module to generate
+ * @param {InitFragment<GenerateContext>[]} initFragments mutable list of init fragments
+ * @param {ReplaceSource} source the current replace source which can be modified
+ * @param {GenerateContext} generateContext the generateContext
+ * @returns {void}
+ */
+ sourceModule(module, initFragments, source, generateContext) {
+ for (const dependency of module.dependencies) {
+ this.sourceDependency(
+ module,
+ dependency,
+ initFragments,
+ source,
+ generateContext
+ );
+ }
+
+ if (module.presentationalDependencies !== undefined) {
+ for (const dependency of module.presentationalDependencies) {
+ this.sourceDependency(
+ module,
+ dependency,
+ initFragments,
+ source,
+ generateContext
+ );
+ }
+ }
+
+ for (const childBlock of module.blocks) {
+ this.sourceBlock(
+ module,
+ childBlock,
+ initFragments,
+ source,
+ generateContext
+ );
+ }
+ }
+
+ /**
+ * @param {Module} module the module to generate
+ * @param {DependenciesBlock} block the dependencies block which will be processed
+ * @param {InitFragment<GenerateContext>[]} initFragments mutable list of init fragments
+ * @param {ReplaceSource} source the current replace source which can be modified
+ * @param {GenerateContext} generateContext the generateContext
+ * @returns {void}
+ */
+ sourceBlock(module, block, initFragments, source, generateContext) {
+ for (const dependency of block.dependencies) {
+ this.sourceDependency(
+ module,
+ dependency,
+ initFragments,
+ source,
+ generateContext
+ );
+ }
+
+ for (const childBlock of block.blocks) {
+ this.sourceBlock(
+ module,
+ childBlock,
+ initFragments,
+ source,
+ generateContext
+ );
+ }
+ }
+
+ /**
+ * @param {Module} module the current module
+ * @param {Dependency} dependency the dependency to generate
+ * @param {InitFragment<GenerateContext>[]} initFragments mutable list of init fragments
+ * @param {ReplaceSource} source the current replace source which can be modified
+ * @param {GenerateContext} generateContext the render context
+ * @returns {void}
+ */
+ sourceDependency(module, dependency, initFragments, source, generateContext) {
+ const constructor = /** @type {new (...args: any[]) => Dependency} */ (
+ dependency.constructor
+ );
+ const template = generateContext.dependencyTemplates.get(constructor);
+ if (!template) {
+ throw new Error(
+ `No template for dependency: ${dependency.constructor.name}`
+ );
+ }
+
+ /** @type {InitFragment<GenerateContext>[] | undefined} */
+ let chunkInitFragments;
+
+ /** @type {DependencyTemplateContext} */
+ const templateContext = {
+ runtimeTemplate: generateContext.runtimeTemplate,
+ dependencyTemplates: generateContext.dependencyTemplates,
+ moduleGraph: generateContext.moduleGraph,
+ chunkGraph: generateContext.chunkGraph,
+ module,
+ runtime: generateContext.runtime,
+ runtimeRequirements: generateContext.runtimeRequirements,
+ concatenationScope: generateContext.concatenationScope,
+ codeGenerationResults:
+ /** @type {NonNullable<GenerateContext["codeGenerationResults"]>} */
+ (generateContext.codeGenerationResults),
+ initFragments,
+ get chunkInitFragments() {
+ if (!chunkInitFragments) {
+ const data =
+ /** @type {NonNullable<GenerateContext["getData"]>} */
+ (generateContext.getData)();
+ chunkInitFragments = data.get("chunkInitFragments");
+ if (!chunkInitFragments) {
+ chunkInitFragments = [];
+ data.set("chunkInitFragments", chunkInitFragments);
+ }
+ }
+
+ return chunkInitFragments;
+ }
+ };
+
+ template.apply(dependency, source, templateContext);
+
+ // TODO remove in webpack 6
+ if ("getInitFragments" in template) {
+ const fragments = deprecatedGetInitFragments(
+ template,
+ dependency,
+ templateContext
+ );
+
+ if (fragments) {
+ for (const fragment of fragments) {
+ initFragments.push(fragment);
+ }
+ }
+ }
+ }
+}
+
+module.exports = JavascriptGenerator;