67 lines
2.0 KiB
JavaScript
67 lines
2.0 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const RequireContextDependency = require("./RequireContextDependency");
|
|
|
|
/** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
|
|
/** @typedef {import("../javascript/JavascriptParser")} JavascriptParser */
|
|
/** @typedef {import("../javascript/JavascriptParser").Range} Range */
|
|
|
|
module.exports = class RequireContextDependencyParserPlugin {
|
|
/**
|
|
* @param {JavascriptParser} parser the parser
|
|
* @returns {void}
|
|
*/
|
|
apply(parser) {
|
|
parser.hooks.call
|
|
.for("require.context")
|
|
.tap("RequireContextDependencyParserPlugin", expr => {
|
|
let regExp = /^\.\/.*$/;
|
|
let recursive = true;
|
|
let mode = "sync";
|
|
switch (expr.arguments.length) {
|
|
case 4: {
|
|
const modeExpr = parser.evaluateExpression(expr.arguments[3]);
|
|
if (!modeExpr.isString()) return;
|
|
mode = /** @type {string} */ (modeExpr.string);
|
|
}
|
|
// falls through
|
|
case 3: {
|
|
const regExpExpr = parser.evaluateExpression(expr.arguments[2]);
|
|
if (!regExpExpr.isRegExp()) return;
|
|
regExp = /** @type {RegExp} */ (regExpExpr.regExp);
|
|
}
|
|
// falls through
|
|
case 2: {
|
|
const recursiveExpr = parser.evaluateExpression(expr.arguments[1]);
|
|
if (!recursiveExpr.isBoolean()) return;
|
|
recursive = /** @type {boolean} */ (recursiveExpr.bool);
|
|
}
|
|
// falls through
|
|
case 1: {
|
|
const requestExpr = parser.evaluateExpression(expr.arguments[0]);
|
|
if (!requestExpr.isString()) return;
|
|
const dep = new RequireContextDependency(
|
|
{
|
|
request: requestExpr.string,
|
|
recursive,
|
|
regExp,
|
|
mode,
|
|
category: "commonjs"
|
|
},
|
|
/** @type {Range} */ (expr.range)
|
|
);
|
|
dep.loc = /** @type {DependencyLocation} */ (expr.loc);
|
|
dep.optional = !!parser.scope.inTry;
|
|
parser.state.current.addDependency(dep);
|
|
return true;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
};
|