Published
Edited
Feb 18, 2020
Importers
5 stars
md` ## Here's how those test urls look when rendered
### A Javascript file
${await makeCodeBlockFromURL(testurls.javascript, 4)}
--------------
### A Python file
${await makeCodeBlockFromURL(testurls.python, 4)}
--------------
### A bash script
${await makeCodeBlockFromURL(testurls.bash, 4, 'This title has been overriden')}
`
/*
* makeCodeBlockFromURL
* @param (string) url The URL to fetch
* @param (?number) titleLevel If > 0, will not show a title, otherwise, will create a header block at indicated level
* @param (?string) titleText If not and titleLevel > 0 '' will use as text for title
* @returns Promise
*/
async function makeCodeBlockFromURL(url, titleLevel=0, titleText=url) {
return analyzeCodeFromURL(url)
.then(analysis => formatAnalyzedCode(analysis, {
titleLevel, titleText, url
}))
.then(({codeAsMD}) => codeAsMD )
//const arr = somecode.split('\n')
//return arr.map((v, i) => v.padStart(padding))
}
async function formatAnalyzedCode(analysis, formattinginfo) {
let { titleLevel, titleText, url } = formattinginfo
titleLevel = titleLevel || 0
titleText = titleText || url
const {codedelimiter, mdlineterminator, codeexts, maxheadinglevel, headingchar} = codeformatting
return new Promise((resolve, reject) => {
// console.log(codedelimiter)
analysis.textarr.push(`${codedelimiter}`)
analysis.textarr.unshift(`${codedelimiter}${analysis.codetypename}`)
if( titleLevel > 0){
if (titleLevel > maxheadinglevel) {
titleLevel = maxheadinglevel
}
let title = [
`${Array(titleLevel).fill(headingchar).join('')} `,
`[${titleText}](${url})`,
mdlineterminator
].join('')
analysis.textarr.unshift(title)
}
resolve({
...analysis,
codeAsMD: analysis.textarr.join(mdlineterminator)
})
})
}
async function analyzeCodeFromURL(url) {
const { codeexts } = codeformatting
// console.log(codedelimiter)
const ext = url.split('.').pop()
let codetypename = ''
for (let key in codeexts) {
if (codeexts[key].includes(ext) ) {
codetypename = key
break
}
}
return fetch(url)
.then(res => res.text())
.then(text => {
const textarr = text.split(/\r\n|\r|\n/)
return {
codetypename,
textarr
}
})
}
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