@nodesecure/tree-walker/dist/utils/mergeDependencies.js

NodeSecure tree walker

export function mergeDependencies(manifest, types = ["dependencies"]) {
    const dependencies = new Map();
    const customResolvers = new Map();
    const alias = new Map();
    for (const fieldName of types) {
        if (!(fieldName in manifest)) {
            continue;
        }
        const dep = manifest[fieldName];
        for (const [name, version] of Object.entries(dep)) {
            /**
             * Version can be file:, github:, git:, git+, ./...
             * @see https://docs.npmjs.com/cli/v7/configuring-npm/package-json#dependencies
             */
            if (/^([a-zA-Z]+:|git\+|\.\\)/.test(version)) {
                customResolvers.set(name, version);
                if (!version.startsWith("npm:")) {
                    continue;
                }
                alias.set(name, version.slice(4));
            }
            dependencies.set(name, version);
        }
    }
    return { dependencies, customResolvers, alias };
}
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