Files
metrics/source/plugins/pagespeed/index.mjs
2020-12-30 20:05:31 +01:00

57 lines
3.2 KiB
JavaScript

//Setup
export default async function ({login, imports, data, q}, {enabled = false, token = null} = {}) {
//Plugin execution
try {
//Check if plugin is enabled and requirements are met
if ((!enabled)||(!q.pagespeed)||(!data.user.websiteUrl))
return null
//Parameters override
let {"pagespeed.detailed":detailed = false, "pagespeed.screenshot":screenshot = false} = q
//Duration in days
detailed = !!detailed
//Format url if needed
let url = data.user.websiteUrl
if (!/^https?:[/][/]/.test(url))
url = `https://${url}`
const result = {url, detailed, scores:[], metrics:{}}
//Load scores from API
console.debug(`metrics/compute/${login}/plugins > pagespeed > querying api for ${url}`)
const scores = new Map()
await Promise.all(["performance", "accessibility", "best-practices", "seo"].map(async category => {
//Perform audit
console.debug(`metrics/compute/${login}/plugins > pagespeed > performing audit ${category}`)
const request = await imports.axios.get(`https://www.googleapis.com/pagespeedonline/v5/runPagespeed?category=${category}&url=${url}&key=${token}`)
console.debug(request.data)
const {score, title} = request.data.lighthouseResult.categories[category]
scores.set(category, {score, title})
console.debug(`metrics/compute/${login}/plugins > pagespeed > performed audit ${category} (status code ${request.status})`)
//Store screenshot
if ((screenshot)&&(category === "performance")) {
result.screenshot = request.data.lighthouseResult.audits["final-screenshot"].details.data
console.debug(`metrics/compute/${login}/plugins > pagespeed > performed audit ${category} (status code ${request.status})`)
}
}))
result.scores = [scores.get("performance"), scores.get("accessibility"), scores.get("best-practices"), scores.get("seo")]
//Detailed metrics
if (detailed) {
console.debug(`metrics/compute/${login}/plugins > pagespeed > performing detailed audit`)
const request = await imports.axios.get(`https://www.googleapis.com/pagespeedonline/v5/runPagespeed?&url=${url}&key=${token}`)
console.debug(request.data)
Object.assign(result.metrics, ...request.data.lighthouseResult.audits.metrics.details.items)
console.debug(`metrics/compute/${login}/plugins > pagespeed > performed detailed audit (status code ${request.status})`)
}
//Results
return result
}
//Handle errors
catch (error) {
let message = "An error occured"
if (error.isAxiosError) {
const status = error.response?.status
const description = error.response?.data?.error?.message?.match(/Lighthouse returned error: (?<description>[A-Z_]+)/)?.groups?.description ?? null
message = `API returned ${status}${description ? ` (${description})` : ""}`
error = error.response?.data ?? null
}
throw {error:{message, instance:error}}
}
}