You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.8 KiB
102 lines
2.8 KiB
2 years ago
|
/*
|
||
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
||
|
|
Author Tobias Koppers @sokra
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
const ConstDependency = require("./dependencies/ConstDependency");
|
||
|
|
const ProvidedDependency = require("./dependencies/ProvidedDependency");
|
||
|
|
const { approve } = require("./javascript/JavascriptParserHelpers");
|
||
|
|
|
||
|
|
/** @typedef {import("./Compiler")} Compiler */
|
||
|
|
|
||
|
|
class ProvidePlugin {
|
||
|
|
/**
|
||
|
|
* @param {Record<string, string | string[]>} definitions the provided identifiers
|
||
|
|
*/
|
||
|
|
constructor(definitions) {
|
||
|
|
this.definitions = definitions;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Apply the plugin
|
||
|
|
* @param {Compiler} compiler the compiler instance
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
apply(compiler) {
|
||
|
|
const definitions = this.definitions;
|
||
|
|
compiler.hooks.compilation.tap(
|
||
|
|
"ProvidePlugin",
|
||
|
|
(compilation, { normalModuleFactory }) => {
|
||
|
|
compilation.dependencyTemplates.set(
|
||
|
|
ConstDependency,
|
||
|
|
new ConstDependency.Template()
|
||
|
|
);
|
||
|
|
compilation.dependencyFactories.set(
|
||
|
|
ProvidedDependency,
|
||
|
|
normalModuleFactory
|
||
|
|
);
|
||
|
|
compilation.dependencyTemplates.set(
|
||
|
|
ProvidedDependency,
|
||
|
|
new ProvidedDependency.Template()
|
||
|
|
);
|
||
|
|
const handler = (parser, parserOptions) => {
|
||
|
|
Object.keys(definitions).forEach(name => {
|
||
|
|
const request = [].concat(definitions[name]);
|
||
|
|
const splittedName = name.split(".");
|
||
|
|
if (splittedName.length > 0) {
|
||
|
|
splittedName.slice(1).forEach((_, i) => {
|
||
|
|
const name = splittedName.slice(0, i + 1).join(".");
|
||
|
|
parser.hooks.canRename.for(name).tap("ProvidePlugin", approve);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
parser.hooks.expression.for(name).tap("ProvidePlugin", expr => {
|
||
|
|
const nameIdentifier = name.includes(".")
|
||
|
|
? `__webpack_provided_${name.replace(/\./g, "_dot_")}`
|
||
|
|
: name;
|
||
|
|
const dep = new ProvidedDependency(
|
||
|
|
request[0],
|
||
|
|
nameIdentifier,
|
||
|
|
request.slice(1),
|
||
|
|
expr.range
|
||
|
|
);
|
||
|
|
dep.loc = expr.loc;
|
||
|
|
parser.state.module.addDependency(dep);
|
||
|
|
return true;
|
||
|
|
});
|
||
|
|
|
||
|
|
parser.hooks.call.for(name).tap("ProvidePlugin", expr => {
|
||
|
|
const nameIdentifier = name.includes(".")
|
||
|
|
? `__webpack_provided_${name.replace(/\./g, "_dot_")}`
|
||
|
|
: name;
|
||
|
|
const dep = new ProvidedDependency(
|
||
|
|
request[0],
|
||
|
|
nameIdentifier,
|
||
|
|
request.slice(1),
|
||
|
|
expr.callee.range
|
||
|
|
);
|
||
|
|
dep.loc = expr.callee.loc;
|
||
|
|
parser.state.module.addDependency(dep);
|
||
|
|
parser.walkExpressions(expr.arguments);
|
||
|
|
return true;
|
||
|
|
});
|
||
|
|
});
|
||
|
|
};
|
||
|
|
normalModuleFactory.hooks.parser
|
||
|
|
.for("javascript/auto")
|
||
|
|
.tap("ProvidePlugin", handler);
|
||
|
|
normalModuleFactory.hooks.parser
|
||
|
|
.for("javascript/dynamic")
|
||
|
|
.tap("ProvidePlugin", handler);
|
||
|
|
normalModuleFactory.hooks.parser
|
||
|
|
.for("javascript/esm")
|
||
|
|
.tap("ProvidePlugin", handler);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = ProvidePlugin;
|