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13 lines
848 B
JavaScript
13 lines
848 B
JavaScript
const markup = /[`[\]*_<>~]/
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// The README's first paragraph after the title and the badges.
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export function readmeTagline(readme) {
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const lines = readme.split('\n').filter((line, index, all) => index !== all.findIndex((first) => first.startsWith('# ')) && !line.startsWith('[!['))
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const start = lines.findIndex((line) => line.trim() !== '')
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if (start === -1 || lines[start].startsWith('#')) return { error: 'README.md has no tagline paragraph before its first section', ok: false }
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const end = lines.findIndex((line, index) => index > start && line.trim() === '')
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const tagline = lines.slice(start, end === -1 ? undefined : end).map((line) => line.trim()).join(' ')
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if (markup.test(tagline)) return { error: `the README tagline is plain text, since npm shows it as is: ${tagline}`, ok: false }
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return { ok: true, value: tagline }
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}
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