mirror of https://github.com/webpack/webpack.git
105 lines
4.5 KiB
JavaScript
105 lines
4.5 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
"use strict";
|
|
|
|
const path = require("path");
|
|
const ParserHelpers = require("./ParserHelpers");
|
|
const ConstDependency = require("./dependencies/ConstDependency");
|
|
|
|
const NullFactory = require("./NullFactory");
|
|
|
|
class NodeStuffPlugin {
|
|
constructor(options) {
|
|
this.options = options;
|
|
}
|
|
|
|
apply(compiler) {
|
|
const options = this.options;
|
|
compiler.hooks.compilation.tap("NodeStuffPlugin", (compilation, {
|
|
normalModuleFactory
|
|
}) => {
|
|
compilation.dependencyFactories.set(ConstDependency, new NullFactory());
|
|
compilation.dependencyTemplates.set(ConstDependency, new ConstDependency.Template());
|
|
|
|
const handler = (parser, parserOptions) => {
|
|
if(parserOptions.node === false)
|
|
return;
|
|
|
|
let localOptions = options;
|
|
if(parserOptions.node)
|
|
localOptions = Object.assign({}, localOptions, parserOptions.node);
|
|
|
|
const setConstant = (expressionName, value) => {
|
|
parser.hooks.expression.for(expressionName).tap("NodeStuffPlugin", () => {
|
|
parser.state.current.addVariable(expressionName, JSON.stringify(value));
|
|
return true;
|
|
});
|
|
};
|
|
|
|
const setModuleConstant = (expressionName, fn) => {
|
|
parser.hooks.expression.for(expressionName).tap("NodeStuffPlugin", () => {
|
|
parser.state.current.addVariable(expressionName, JSON.stringify(fn(parser.state.module)));
|
|
return true;
|
|
});
|
|
};
|
|
const context = compiler.context;
|
|
if(localOptions.__filename === "mock") {
|
|
setConstant("__filename", "/index.js");
|
|
} else if(localOptions.__filename) {
|
|
setModuleConstant("__filename", module => path.relative(context, module.resource));
|
|
}
|
|
parser.hooks.evaluateIdentifier.for("__filename").tap("NodeStuffPlugin", expr => {
|
|
if(!parser.state.module) return;
|
|
const resource = parser.state.module.resource;
|
|
const i = resource.indexOf("?");
|
|
return ParserHelpers.evaluateToString(i < 0 ? resource : resource.substr(0, i))(expr);
|
|
});
|
|
if(localOptions.__dirname === "mock") {
|
|
setConstant("__dirname", "/");
|
|
} else if(localOptions.__dirname) {
|
|
setModuleConstant("__dirname", module => path.relative(context, module.context));
|
|
}
|
|
parser.hooks.evaluateIdentifier.for("__dirname").tap("NodeStuffPlugin", expr => {
|
|
if(!parser.state.module) return;
|
|
return ParserHelpers.evaluateToString(parser.state.module.context)(expr);
|
|
});
|
|
parser.hooks.expression.for("require.main").tap("NodeStuffPlugin", ParserHelpers.toConstantDependencyWithWebpackRequire(parser, "__webpack_require__.c[__webpack_require__.s]"));
|
|
parser.hooks.expression.for("require.extensions").tap("NodeStuffPlugin", ParserHelpers.expressionIsUnsupported(parser, "require.extensions is not supported by webpack. Use a loader instead."));
|
|
parser.hooks.expression.for("module.loaded").tap("NodeStuffPlugin", expr => {
|
|
parser.state.module.buildMeta.moduleConcatenationBailout = "module.loaded";
|
|
return ParserHelpers.toConstantDependency(parser, "module.l")(expr);
|
|
});
|
|
parser.hooks.expression.for("module.id").tap("NodeStuffPlugin", expr => {
|
|
parser.state.module.buildMeta.moduleConcatenationBailout = "module.id";
|
|
return ParserHelpers.toConstantDependency(parser, "module.i")(expr);
|
|
});
|
|
parser.hooks.expression.for("module.exports").tap("NodeStuffPlugin", () => {
|
|
const module = parser.state.module;
|
|
const isHarmony = module.buildMeta && module.buildMeta.exportsType;
|
|
if(!isHarmony)
|
|
return true;
|
|
});
|
|
parser.hooks.evaluateIdentifier.for("module.hot").tap("NodeStuffPlugin", ParserHelpers.evaluateToIdentifier("module.hot", false));
|
|
parser.hooks.expression.for("module").tap("NodeStuffPlugin", () => {
|
|
const module = parser.state.module;
|
|
const isHarmony = module.buildMeta && module.buildMeta.exportsType;
|
|
let moduleJsPath = path.join(__dirname, "..", "buildin", isHarmony ? "harmony-module.js" : "module.js");
|
|
if(module.context) {
|
|
moduleJsPath = path.relative(parser.state.module.context, moduleJsPath);
|
|
if(!/^[A-Z]:/i.test(moduleJsPath)) {
|
|
moduleJsPath = `./${moduleJsPath.replace(/\\/g, "/")}`;
|
|
}
|
|
}
|
|
return ParserHelpers.addParsedVariableToModule(parser, "module", `require(${JSON.stringify(moduleJsPath)})(module)`);
|
|
});
|
|
};
|
|
|
|
normalModuleFactory.hooks.parser.for("javascript/auto").tap("NodeStuffPlugin", handler);
|
|
normalModuleFactory.hooks.parser.for("javascript/dynamic").tap("NodeStuffPlugin", handler);
|
|
});
|
|
}
|
|
}
|
|
module.exports = NodeStuffPlugin;
|