importly/x/aspects/utilities/read-package-lock-json.js

importly generates import maps

export function readPackageLockJson({ json, dev }) {
    const filterForActualDependencies = ([directory]) => !!directory;
    const filterOutOptionals = ([, { optional }]) => !optional;
    const filterDevDependencies = dev
        ? () => true
        : ([, details]) => !details.dev;
    return Object.entries(json.packages)
        .filter(filterForActualDependencies)
        .filter(filterOutOptionals)
        .filter(filterDevDependencies)
        .map(([directory, { version }]) => {
        const parents = directory
            .split(/\/?node_modules\/?/)
            .filter(s => s.length > 0);
        const label = parents.pop();
        return {
            label,
            version,
            parents,
        };
    });
}
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