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gulpfile.js
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gulpfile.js
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const {
parallel,
series,
src,
dest
} = require('gulp')
const del = require('delete')
const through2 = require('through2');
const rename = require('gulp-rename')
const stats = require('gulp-count-stat')
const log = require('fancy-log')
const convert = require('convert-vinyl-to-vfile')
const markdown = require('./markdown')
const writeGood = require('write-good')
const spellchecker = require('spellchecker')
const path = require('path')
const fs = require('fs')
const {
Book,
Page
} = require('book')
const glob = require('fast-glob')
const git = require('simple-git')()
const min = require('minimist')
const Shell = require('node-powershell')
const fetch = require('node-fetch')
const title = 'Shift-X'
const sourceGlob = ['src/**/*.md']
const assetsGlob = ['src/assets/**']
const destination = 'html/'
const destinationGlob = 'html/**'
const publishTarget = "c:/src/bookshelf-shift-x/src/pages"
var book = null
function render() {
book = new Book(title, path.resolve(destination))
return src(sourceGlob)
.pipe(through2.obj(function(vinyl, _, callback) {
if (vinyl.isBuffer()) {
var vfile = convert(vinyl)
markdown.process(vfile, function(err, parsed) {
var contents
if (err) {
return callback(new Error(err))
}
logWarnings(parsed)
contents = parsed.contents
/* istanbul ignore else - There aren’t any unified compilers
* that output buffers, but this logic is here to keep allow them
* (and binary files) to pass through untouched. */
if (typeof contents === 'string') {
contents = Buffer.from(contents, 'utf8')
}
vinyl.contents = contents
if (parsed.data.metadata) {
// record the original .md file path
vinyl.pageData = parsed.data.metadata
} else {
vinyl.pageData = {
name: vinyl.stem,
order: book.allPages.length + 1
}
}
vinyl.pageData.sourcePath = parsed.path
callback(null, vinyl)
})
}
}))
.pipe(rename({
extname: ".html"
}))
.pipe(dest(destination))
.pipe(through2.obj(function(vinyl, _, callback) {
if (vinyl.pageData) {
let page = new Page(vinyl.pageData.title, path.relative(book.root, vinyl.path), vinyl.pageData.order)
page.data = vinyl.pageData
book.addPage(page)
}
callback(null, vinyl)
}))
function logWarnings(parsed) {
parsed.messages.forEach(msg => {
console.log(`'${parsed.path}' ${msg.location.start.line},${msg.location.start.column},${msg.location.end.line||msg.location.start.line},${msg.location.end.column||msg.location.start.column} ${msg.reason}`)
})
}
}
function writeBook(callback) {
// todo - write out a list of pages in order so that consuming apps can construct a book object?
// could also write an export for each page
fs.writeFile("html/book.js", `module.exports = ${JSON.stringify(book,null,3)}`, err => {
if (err) throw err
log.info(`wrote book.js`)
})
callback()
}
function assets() {
return src(assetsGlob).pipe(dest(destination + "/assets"))
}
function clean(callback) {
return del(destinationGlob, callback)
}
function publish() {
log.info(`publishing to ${publishTarget}`)
return src(destinationGlob)
.pipe(dest(publishTarget))
}
function spelling() {
return src(sourceGlob)
.pipe(through2.obj(function(file, _, callback) {
if (file.isBuffer()) {
file.contents.toString().split("\n").forEach((line, idx) => {
let misspellings = spellchecker.checkSpelling(line)
misspellings.forEach(err => {
let word = line.substring(err.start, err.end)
let suggestions = spellchecker.getCorrectionsForMisspelling(word)
console.log(`'${file.path}' ${idx + 1}:${err.start + 1} ${word} -> ${suggestions.join(' ')}`)
})
})
callback(null, file)
}
}))
}
function count() {
return src(sourceGlob)
.pipe(stats())
}
function prose() {
return src(sourceGlob)
.pipe(through2.obj(function(file, _, callback) {
if (file.isBuffer()) {
file.contents.toString().split("\n").forEach((line, idx) => {
let suggestions = writeGood(line)
suggestions.forEach(sug => {
console.log(`'${file.path}' ${idx + 1}:${sug.index + 1}:${sug.offset + sug.index + 1} ${sug.reason}`)
})
})
callback(null, file)
}
}))
}
async function save(callback) {
var options = min(process.argv.slice(2), {
string: 'm'
})
if (!options.m) {
options.m = 'page edits'
}
// todo - we'll add interesting stuff to the additional data like location and weather and word count.
// maybe location as json?
// other hand, do I really want my exact location on every commit to a public repo?
var location = await getLocation()
// var additional = `LatLong: ${location.Latitude},${location.Longitude} Altitude: ${location.Altitude} Address: ${location.address}`
var additional = ``
const files = await glob.async(sourceGlob)
git.commit([options.m, additional], files, {}, (err, data) => {
if (err) {
callback(err)
}
console.log(JSON.stringify(data, null, 2))
callback()
})
}
async function getLocation() {
var ret = {}
let ps = new Shell({
executionPolicy: 'Bypass',
noProfile: true
})
await ps.addCommand('./geolocation.ps1')
ret = await ps.invoke()
ret = JSON.parse(ret.replace(/\bNaN\b/g, 'null'))
ps.dispose()
const url = `https://maps.googleapis.com/maps/api/geocode/json?latlng=${ret.Latitude},${ret.Longitude}&key=${process.env.google_api}`
const loc = await (await fetch(url)).json()
ret.address = (loc.results[0] || {
formatted_address: ''
}).formatted_address
return ret
}
const build = series(clean, render, writeBook, assets)
exports.build = build
exports.publish = series(build, publish)
exports.spelling = spelling
exports.spell = spelling
exports.count = count
exports.prose = prose
exports.render = render
exports.check = series(spelling, prose, render, count)
exports.save = save
exports.default = build