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.
86 lines
2.4 KiB
86 lines
2.4 KiB
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
"use strict";
|
|
|
|
const RequireResolveDependency = require("./RequireResolveDependency");
|
|
const RequireResolveContextDependency = require("./RequireResolveContextDependency");
|
|
const RequireResolveHeaderDependency = require("./RequireResolveHeaderDependency");
|
|
const ContextDependencyHelpers = require("./ContextDependencyHelpers");
|
|
|
|
class RequireResolveDependencyParserPlugin {
|
|
constructor(options) {
|
|
this.options = options;
|
|
}
|
|
|
|
apply(parser) {
|
|
const options = this.options;
|
|
|
|
const process = (expr, weak) => {
|
|
if (expr.arguments.length !== 1) return;
|
|
const param = parser.evaluateExpression(expr.arguments[0]);
|
|
if (param.isConditional()) {
|
|
for (const option of param.options) {
|
|
const result = processItem(expr, option, weak);
|
|
if (result === undefined) {
|
|
processContext(expr, option, weak);
|
|
}
|
|
}
|
|
const dep = new RequireResolveHeaderDependency(expr.callee.range);
|
|
dep.loc = expr.loc;
|
|
parser.state.current.addDependency(dep);
|
|
return true;
|
|
} else {
|
|
const result = processItem(expr, param, weak);
|
|
if (result === undefined) {
|
|
processContext(expr, param, weak);
|
|
}
|
|
const dep = new RequireResolveHeaderDependency(expr.callee.range);
|
|
dep.loc = expr.loc;
|
|
parser.state.current.addDependency(dep);
|
|
return true;
|
|
}
|
|
};
|
|
const processItem = (expr, param, weak) => {
|
|
if (param.isString()) {
|
|
const dep = new RequireResolveDependency(param.string, param.range);
|
|
dep.loc = expr.loc;
|
|
dep.optional = !!parser.scope.inTry;
|
|
dep.weak = weak;
|
|
parser.state.current.addDependency(dep);
|
|
return true;
|
|
}
|
|
};
|
|
const processContext = (expr, param, weak) => {
|
|
const dep = ContextDependencyHelpers.create(
|
|
RequireResolveContextDependency,
|
|
param.range,
|
|
param,
|
|
expr,
|
|
options,
|
|
{
|
|
mode: weak ? "weak" : "sync"
|
|
},
|
|
parser
|
|
);
|
|
if (!dep) return;
|
|
dep.loc = expr.loc;
|
|
dep.optional = !!parser.scope.inTry;
|
|
parser.state.current.addDependency(dep);
|
|
return true;
|
|
};
|
|
|
|
parser.hooks.call
|
|
.for("require.resolve")
|
|
.tap("RequireResolveDependencyParserPlugin", expr => {
|
|
return process(expr, false);
|
|
});
|
|
parser.hooks.call
|
|
.for("require.resolveWeak")
|
|
.tap("RequireResolveDependencyParserPlugin", expr => {
|
|
return process(expr, true);
|
|
});
|
|
}
|
|
}
|
|
module.exports = RequireResolveDependencyParserPlugin;
|