93 lines
2.1 KiB
JavaScript
93 lines
2.1 KiB
JavaScript
export function bareLink(badgeUrl, link, title = '') {
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return badgeUrl
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}
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export function html(badgeUrl, link, title) {
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// To be more robust, this should escape the title.
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const alt = title ? ` alt="${title}"` : ''
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const img = `<img${alt} src="${badgeUrl}">`
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if (link) {
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return `<a href="${link}">${img}</a>`
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} else {
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return img
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}
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}
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export function markdown(badgeUrl, link, title) {
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const withoutLink = ``
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if (link) {
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return `[${withoutLink}](${link})`
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} else {
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return withoutLink
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}
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}
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export function reStructuredText(badgeUrl, link, title) {
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let result = `.. image:: ${badgeUrl}`
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if (title) {
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result += ` :alt: ${title}`
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}
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if (link) {
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result += ` :target: ${link}`
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}
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return result
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}
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function quoteAsciiDocAttribute(attr) {
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if (attr == null) {
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return 'None'
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} else {
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const withQuotesEscaped = attr.replace(/"/g, '\\"')
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return `"${withQuotesEscaped}"`
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}
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}
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// lodash.mapvalues is huge!
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function mapValues(obj, iteratee) {
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const result = {}
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for (const k in obj) {
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result[k] = iteratee(obj[k])
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}
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return result
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}
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export function renderAsciiDocAttributes(positional, named) {
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// http://asciidoc.org/userguide.html#X21
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const needsQuoting =
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positional.some(attr => attr && attr.includes(',')) ||
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Object.keys(named).length > 0
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if (needsQuoting) {
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positional = positional.map(attr => quoteAsciiDocAttribute(attr))
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named = mapValues(named, attr => quoteAsciiDocAttribute(attr))
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}
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const items = positional.concat(
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Object.entries(named).map(([k, v]) => `${k}=${v}`)
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)
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if (items.length) {
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return `[${items.join(',')}]`
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} else {
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return '[]'
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}
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}
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export function asciiDoc(badgeUrl, link, title) {
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const positional = title ? [title] : []
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const named = link ? { link } : {}
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const attrs = renderAsciiDocAttributes(positional, named)
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return `image:${badgeUrl}${attrs}`
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}
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export function generateMarkup({ badgeUrl, link, title, markupFormat }) {
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const generatorFn = {
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markdown,
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rst: reStructuredText,
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asciidoc: asciiDoc,
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link: bareLink,
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html,
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}[markupFormat]
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return generatorFn(badgeUrl, link, title)
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}
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