| 1 | function clip (options) {
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| 2 | 'use strong'
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| 3 |
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| 4 | const book = require('book-length')
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| 5 | const co = require('co')
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| 6 | const prompt = require('co-prompt')
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| 7 | const path = require('path')
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| 8 | const chalk = require('chalk')
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| 9 |
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| 10 | let leafs = options.leafs
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| 11 |
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| 12 | co(function * () {
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| 13 | if (options !== undefined && options.leafs % 1 === 0) {
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| 14 | leafs = options.leafs
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| 15 | } else {
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| 16 | leafs = yield prompt('No. of leafs?: ')
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| 17 | }
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| 18 | return leafs
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| 19 | }).then((leafs) => {
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| 20 | const bookLength = book.length()
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| 21 | const fse = require('fs-extra')
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| 22 | const dateFormat = require('dateformat')
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| 23 | const now = new Date()
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| 24 | const timestamp = dateFormat(now, 'dddd-mmmm-dS-yyyy-hh-MM-ss-TT')
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| 25 |
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| 26 | process.stdout.write(chalk.yellow(` Clipping [ ${chalk.magenta(leafs)} ] leaf(s) from the end… : `))
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| 27 |
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| 28 | let promises = []
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| 29 |
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| 30 | for (let pageIndex = bookLength, endIndex = bookLength - (parseInt(leafs) * 2); pageIndex > endIndex; pageIndex--) {
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| 31 | promises.push(
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| 32 | fse.move(path.join('__dirname', '..', 'manuscript', `page-${pageIndex}`), path.join('__dirname', '..', 'trash', `page-${pageIndex}-${timestamp}`))
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| 33 | )
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| 34 | }
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| 35 | return Promise.all(promises)
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| 36 | }).then((resolutions) => {
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| 37 | process.stdout.write(chalk.blue('done.') + '\n')
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| 38 | }).catch((err) => {
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| 39 | if (err) { return console.log(chalk.red('Clip execution failed', err)) }
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| 40 | })
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| 41 | }
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| 42 |
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| 43 | module.exports.clip = clip
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