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keksAccountGUI/node_modulesOLD/webpack/lib/NodeStuffPlugin.js

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2019-08-11 18:48:02 +00:00
/*
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) {
if (localOptions.__filename === "mock") {
setConstant("__filename", "/index.js");
} else {
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) {
if (localOptions.__dirname === "mock") {
setConstant("__dirname", "/");
} else {
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.extensions")
.tap(
"NodeStuffPlugin",
ParserHelpers.expressionIsUnsupported(
parser,
"require.extensions is not supported by webpack. Use a loader instead."
)
);
};
normalModuleFactory.hooks.parser
.for("javascript/auto")
.tap("NodeStuffPlugin", handler);
normalModuleFactory.hooks.parser
.for("javascript/dynamic")
.tap("NodeStuffPlugin", handler);
}
);
}
}
module.exports = NodeStuffPlugin;