136 lines
3.8 KiB
JavaScript
136 lines
3.8 KiB
JavaScript
|
/*
|
||
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
||
|
|
Author Ivan Kopeykin @vankop
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
const { pathToFileURL } = require("url");
|
||
|
|
const BasicEvaluatedExpression = require("../javascript/BasicEvaluatedExpression");
|
||
|
|
const { approve } = require("../javascript/JavascriptParserHelpers");
|
||
|
|
const InnerGraph = require("../optimize/InnerGraph");
|
||
|
|
const URLDependency = require("./URLDependency");
|
||
|
|
|
||
|
|
/** @typedef {import("estree").NewExpression} NewExpressionNode */
|
||
|
|
/** @typedef {import("../Compiler")} Compiler */
|
||
|
|
/** @typedef {import("../NormalModule")} NormalModule */
|
||
|
|
/** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */
|
||
|
|
|
||
|
|
class URLPlugin {
|
||
|
|
/**
|
||
|
|
* @param {Compiler} compiler compiler
|
||
|
|
*/
|
||
|
|
apply(compiler) {
|
||
|
|
compiler.hooks.compilation.tap(
|
||
|
|
"URLPlugin",
|
||
|
|
(compilation, { normalModuleFactory }) => {
|
||
|
|
compilation.dependencyFactories.set(URLDependency, normalModuleFactory);
|
||
|
|
compilation.dependencyTemplates.set(
|
||
|
|
URLDependency,
|
||
|
|
new URLDependency.Template()
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {NormalModule} module module
|
||
|
|
* @returns {URL} file url
|
||
|
|
*/
|
||
|
|
const getUrl = module => {
|
||
|
|
return pathToFileURL(module.resource);
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* @param {JavascriptParser} parser parser
|
||
|
|
* @param {object} parserOptions options
|
||
|
|
*/
|
||
|
|
const parserCallback = (parser, parserOptions) => {
|
||
|
|
if (parserOptions.url === false) return;
|
||
|
|
const relative = parserOptions.url === "relative";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {NewExpressionNode} expr expression
|
||
|
|
* @returns {undefined | string} request
|
||
|
|
*/
|
||
|
|
const getUrlRequest = expr => {
|
||
|
|
if (expr.arguments.length !== 2) return;
|
||
|
|
|
||
|
|
const [arg1, arg2] = expr.arguments;
|
||
|
|
|
||
|
|
if (
|
||
|
|
arg2.type !== "MemberExpression" ||
|
||
|
|
arg1.type === "SpreadElement"
|
||
|
|
)
|
||
|
|
return;
|
||
|
|
|
||
|
|
const chain = parser.extractMemberExpressionChain(arg2);
|
||
|
|
|
||
|
|
if (
|
||
|
|
chain.members.length !== 1 ||
|
||
|
|
chain.object.type !== "MetaProperty" ||
|
||
|
|
chain.object.meta.name !== "import" ||
|
||
|
|
chain.object.property.name !== "meta" ||
|
||
|
|
chain.members[0] !== "url"
|
||
|
|
)
|
||
|
|
return;
|
||
|
|
|
||
|
|
const request = parser.evaluateExpression(arg1).asString();
|
||
|
|
|
||
|
|
return request;
|
||
|
|
};
|
||
|
|
|
||
|
|
parser.hooks.canRename.for("URL").tap("URLPlugin", approve);
|
||
|
|
parser.hooks.evaluateNewExpression
|
||
|
|
.for("URL")
|
||
|
|
.tap("URLPlugin", expr => {
|
||
|
|
const request = getUrlRequest(expr);
|
||
|
|
if (!request) return;
|
||
|
|
const url = new URL(request, getUrl(parser.state.module));
|
||
|
|
|
||
|
|
return new BasicEvaluatedExpression()
|
||
|
|
.setString(url.toString())
|
||
|
|
.setRange(expr.range);
|
||
|
|
});
|
||
|
|
parser.hooks.new.for("URL").tap("URLPlugin", _expr => {
|
||
|
|
const expr = /** @type {NewExpressionNode} */ (_expr);
|
||
|
|
|
||
|
|
const request = getUrlRequest(expr);
|
||
|
|
|
||
|
|
if (!request) return;
|
||
|
|
|
||
|
|
const [arg1, arg2] = expr.arguments;
|
||
|
|
const dep = new URLDependency(
|
||
|
|
request,
|
||
|
|
[arg1.range[0], arg2.range[1]],
|
||
|
|
expr.range,
|
||
|
|
relative
|
||
|
|
);
|
||
|
|
dep.loc = expr.loc;
|
||
|
|
parser.state.current.addDependency(dep);
|
||
|
|
InnerGraph.onUsage(parser.state, e => (dep.usedByExports = e));
|
||
|
|
return true;
|
||
|
|
});
|
||
|
|
parser.hooks.isPure.for("NewExpression").tap("URLPlugin", _expr => {
|
||
|
|
const expr = /** @type {NewExpressionNode} */ (_expr);
|
||
|
|
const { callee } = expr;
|
||
|
|
if (callee.type !== "Identifier") return;
|
||
|
|
const calleeInfo = parser.getFreeInfoFromVariable(callee.name);
|
||
|
|
if (!calleeInfo || calleeInfo.name !== "URL") return;
|
||
|
|
|
||
|
|
const request = getUrlRequest(expr);
|
||
|
|
|
||
|
|
if (request) return true;
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
normalModuleFactory.hooks.parser
|
||
|
|
.for("javascript/auto")
|
||
|
|
.tap("URLPlugin", parserCallback);
|
||
|
|
|
||
|
|
normalModuleFactory.hooks.parser
|
||
|
|
.for("javascript/esm")
|
||
|
|
.tap("URLPlugin", parserCallback);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = URLPlugin;
|