source control 1.1

Tomas

2022-05-19 957a1f10a06fdbb76f1a0ba94fe44126c613fee3

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/*
    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;