importly/x/aspects/generators/generator-for-node-modules.js

importly generates import maps

import { unixNormalize } from "../utilities/unix-normalize.js";
export const generatorForNodeModules = ({ root, manifests }) => {
    const importmap = {
        imports: {},
        scopes: {},
    };
    function getPath(segments) {
        return unixNormalize(root + "/node_modules/" + segments.join("/node_modules/"));
    }
    for (const { entry, parents, label } of manifests) {
        const isScoped = parents.length > 0;
        if (isScoped) {
            const directory = getPath(parents) + "/";
            const scope = importmap.scopes[directory] ?? {};
            scope[label + "/"] = getPath([...parents, label]) + "/";
            if (entry)
                scope[label] = unixNormalize(getPath([...parents, label]) + "/" + entry);
            importmap.scopes[directory] = scope;
        }
        else {
            importmap.imports[label + "/"] = getPath([...parents, label]) + "/";
            if (entry)
                importmap.imports[label] = unixNormalize(getPath([...parents, label]) + "/" + entry);
        }
    }
    return importmap;
};
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