mirror of https://github.com/webpack/webpack.git
move to nodestuff
This commit is contained in:
avivkeller
parent
015468be71
commit
5cc506d5b6
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@ -16,7 +16,8 @@ const ConstDependency = require("./dependencies/ConstDependency");
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const ExternalModuleDependency = require("./dependencies/ExternalModuleDependency");
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const {
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evaluateToString,
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expressionIsUnsupported
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expressionIsUnsupported,
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toConstantDependency
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} = require("./javascript/JavascriptParserHelpers");
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const { relative } = require("./util/fs");
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const { parseResource } = require("./util/identifier");
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@ -102,6 +103,57 @@ class NodeStuffPlugin {
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});
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}
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/**
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* Helper function to define import.meta properties
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* @param {string} propertyName The full property name (e.g., "import.meta.dirname")
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* @param {() => string} valueGetter Function to get the property value
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* @param {string=} warning The warning, if applicable
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*/
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const defineImportMetaProperty = (
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propertyName,
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valueGetter,
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warning
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) => {
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// typeof import.meta.property
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parser.hooks.typeof
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.for(propertyName)
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.tap(
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PLUGIN_NAME,
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toConstantDependency(parser, JSON.stringify("string"))
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);
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// import.meta.property expression
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parser.hooks.expression
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.for(propertyName)
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.tap(PLUGIN_NAME, (expr) => {
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const dep = new ConstDependency(
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JSON.stringify(valueGetter()),
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/** @type {Range} */ (expr.range)
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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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if (warning) {
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parser.state.module.addWarning(
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new NodeStuffInWebError(dep.loc, propertyName, warning)
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);
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}
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return true;
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});
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// evaluateTypeof
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parser.hooks.evaluateTypeof
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.for(propertyName)
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.tap(PLUGIN_NAME, evaluateToString("string"));
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// evaluateIdentifier
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parser.hooks.evaluateIdentifier
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.for(propertyName)
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.tap(PLUGIN_NAME, (expr) =>
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evaluateToString(valueGetter())(expr)
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);
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};
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/**
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* @param {string} expressionName expression name
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* @param {(module: NormalModule) => string} fn function
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@ -211,6 +263,35 @@ class NodeStuffPlugin {
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return evaluateToString(resource.path)(expr);
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});
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}
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// Handle import.meta.filename
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if (localOptions.__filename) {
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switch (localOptions.__filename) {
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case "mock":
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defineImportMetaProperty(
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"import.meta.filename",
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() => "/index.js"
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);
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break;
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case "warn-mock":
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defineImportMetaProperty(
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"import.meta.filename",
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() => "/index.js",
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"import.meta.filename is a Node.js feature and isn't available in browsers."
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);
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break;
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case true:
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defineImportMetaProperty("import.meta.filename", () =>
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relative(
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/** @type {InputFileSystem} */ (compiler.inputFileSystem),
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context,
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parser.state.module.resource
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)
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);
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break;
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}
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}
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if (localOptions.__dirname) {
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switch (localOptions.__dirname) {
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case "mock":
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@ -254,6 +335,31 @@ class NodeStuffPlugin {
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)(expr);
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});
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}
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// Handle import.meta.dirname
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if (localOptions.__dirname) {
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switch (localOptions.__dirname) {
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case "mock":
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defineImportMetaProperty("import.meta.dirname", () => "/");
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break;
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case "warn-mock":
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defineImportMetaProperty(
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"import.meta.dirname",
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() => "/",
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"import.meta.dirname is a Node.js feature and isn't available in browsers."
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);
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break;
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case true:
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defineImportMetaProperty("import.meta.dirname", () =>
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relative(
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/** @type {InputFileSystem} */ (compiler.inputFileSystem),
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context,
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/** @type {string} */ (parser.state.module.context)
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)
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);
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break;
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}
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}
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parser.hooks.expression
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.for("require.extensions")
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.tap(
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@ -19,7 +19,6 @@ const {
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evaluateToString,
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toConstantDependency
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} = require("../javascript/JavascriptParserHelpers");
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const { parseResource } = require("../util/identifier");
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const memoize = require("../util/memoize");
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const propertyAccess = require("../util/propertyAccess");
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const ConstDependency = require("./ConstDependency");
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@ -197,68 +196,6 @@ class ImportMetaPlugin {
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.setRange(/** @type {Range} */ (expr.range))
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);
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// import.meta.dirname
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parser.hooks.typeof
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.for("import.meta.dirname")
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.tap(
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PLUGIN_NAME,
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toConstantDependency(parser, JSON.stringify("string"))
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);
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parser.hooks.expression
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.for("import.meta.dirname")
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.tap(PLUGIN_NAME, (expr) => {
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const dep = new ConstDependency(
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JSON.stringify(
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/** @type {string} */ (parser.state.module.context)
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),
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/** @type {Range} */ (expr.range)
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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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parser.hooks.evaluateTypeof
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.for("import.meta.dirname")
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.tap(PLUGIN_NAME, evaluateToString("string"));
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parser.hooks.evaluateIdentifier
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.for("import.meta.dirname")
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.tap(PLUGIN_NAME, (expr) =>
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evaluateToString(
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/** @type {string} */
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(parser.state.module.context)
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)(expr)
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);
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// import.meta.filename
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parser.hooks.typeof
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.for("import.meta.filename")
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.tap(
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PLUGIN_NAME,
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toConstantDependency(parser, JSON.stringify("string"))
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);
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parser.hooks.expression
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.for("import.meta.filename")
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.tap(PLUGIN_NAME, (expr) => {
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const resource = parseResource(parser.state.module.resource);
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const dep = new ConstDependency(
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JSON.stringify(resource.path),
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/** @type {Range} */ (expr.range)
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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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parser.hooks.evaluateTypeof
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.for("import.meta.filename")
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.tap(PLUGIN_NAME, evaluateToString("string"));
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parser.hooks.evaluateIdentifier
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.for("import.meta.filename")
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.tap(PLUGIN_NAME, (expr) =>
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new BasicEvaluatedExpression()
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.setString(parseResource(parser.state.module.resource).path)
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.setRange(/** @type {Range} */ (expr.range))
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);
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// import.meta.webpack
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parser.hooks.typeof
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.for("import.meta.webpack")
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@ -1,5 +1,4 @@
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const fs = require("fs");
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const path = require("path");
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const path = require("path/posix");
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it("should be a string (import.meta.filename)", function() {
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expect(import.meta.filename).toBeTypeOf("string");
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@ -16,5 +15,4 @@ it("should be a string (import.meta.dirname)", function() {
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it("should be able to be used to get this file", function() {
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const filePath = path.join(import.meta.dirname, "index.js");
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expect(filePath).toBe(import.meta.filename);
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expect(fs.existsSync(filePath)).toBe(true);
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});
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