@featurevisor/core/lib/linter/checkCircularDependency.js

Core package of Featurevisor for Node.js usage

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.checkForCircularDependencyInRequired = checkForCircularDependencyInRequired;
async function checkForCircularDependencyInRequired(datasource, featureKey, required, chain = []) {
    if (!required) {
        return;
    }
    const requiredKeys = required.map((r) => (typeof r === "string" ? r : r.key));
    if (requiredKeys.length === 0) {
        return;
    }
    for (const requiredKey of requiredKeys) {
        chain.push(requiredKey);
        if (chain.indexOf(featureKey) > -1) {
            throw new Error(`circular dependency found: ${chain.join(" -> ")}`);
        }
        const requiredFeatureExists = await datasource.featureExists(featureKey);
        if (!requiredFeatureExists) {
            throw new Error(`required feature "${requiredKey}" not found`);
        }
        const requiredParsedFeature = await datasource.readFeature(requiredKey);
        if (requiredParsedFeature.required) {
            await checkForCircularDependencyInRequired(datasource, featureKey, requiredParsedFeature.required, chain);
        }
    }
}
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