| 1 | export function getGitHubRepoSlug(pkg) {
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| 2 | let match = null;
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| 3 | if (typeof pkg.repository === 'string') {
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| 4 | match = pkg.repository.match(/^(?:github:)?([^/:]+\/[^/:]+)$/);
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| 5 | }
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| 6 | else {
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| 7 | let url = null;
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| 8 | if (pkg.repository && typeof pkg.repository.url === 'string') {
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| 9 | url = pkg.repository && pkg.repository.url;
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| 10 | }
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| 11 | else if (typeof pkg.homepage === 'string') {
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| 12 | url = pkg.homepage;
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| 13 | }
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| 14 | else {
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| 15 | return null;
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| 16 | }
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| 17 | match = url.match(/github\.com\/([^/:]+\/[^/:]+?)(?:\.git|\/)?$/);
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| 18 | }
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| 19 | return (match && match[1]) || null;
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| 20 | }
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