46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
'use strict'
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const { renderVersionBadge } = require('../version')
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const { BaseService, InvalidResponse } = require('..')
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module.exports = class HackageVersion extends BaseService {
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static category = 'version'
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static route = {
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base: 'hackage/v',
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pattern: ':packageName',
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}
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static examples = [
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{
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title: 'Hackage',
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namedParams: { packageName: 'lens' },
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staticPreview: renderVersionBadge({ version: '4.1.7' }),
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},
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]
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static defaultBadgeData = { label: 'hackage' }
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async fetch({ packageName }) {
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return this._request({
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url: `https://hackage.haskell.org/package/${packageName}/${packageName}.cabal`,
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})
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}
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static transform(data) {
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const lines = data.split('\n')
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const versionLines = lines.filter(e => /^version:/i.test(e) === true)
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return versionLines[0].split(/:/)[1].trim()
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}
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async handle({ packageName }) {
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const { buffer } = await this.fetch({ packageName })
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try {
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const version = this.constructor.transform(buffer)
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return renderVersionBadge({ version })
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} catch (e) {
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throw new InvalidResponse({ prettyMessage: 'invalid response data' })
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}
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}
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}
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