@donmahallem/label-pr/dist/esm/sync-pr-labels.mjs

Helpers for working with github issue labels

import { getPullRequestLabels, calculateLabelDiff, syncLabels } from '@donmahallem/label-gh';

/**
 * Package @donmahallem/label-pr
 * Source https://donmahallem.github.io/js-libs/
 */
const syncPRLabels = async (octokit, opts, packageLabel, prefix = 'pkg') => {
    const expectedLabels = packageLabel.map((baseLabel) => {
        return `${prefix}:${baseLabel}`;
    });
    const prLabels = await getPullRequestLabels(octokit, opts);
    const prLabelNames = prLabels
        .map((lab) => {
        return lab.name;
    })
        .filter((label) => {
        // tslint:disable-next-line:triple-equals
        return label != undefined;
    });
    const diff = calculateLabelDiff(expectedLabels, prLabelNames);
    const finalLabels = [];
    finalLabels.push(...diff.add);
    finalLabels.push(...diff.unchanged);
    finalLabels.push(...diff.remove.filter((label) => {
        return !label.startsWith(`${prefix}:`);
    }));
    return syncLabels(octokit, {
        issue_number: opts.pull_number,
        owner: opts.owner,
        repo: opts.repo,
    }, finalLabels, true);
};

export { syncPRLabels };
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