| 1 | import * as cheerio from 'cheerio' |
| 2 | import { MASTER_CSS_HREF, MASTER_LINK_SELECTOR } from '@shared/master' |
| 3 | |
| 4 | export const buildMasterStyleLink = (): string => |
| 5 | `<link rel="stylesheet" href="${MASTER_CSS_HREF}" data-ppt-master="1">` |
| 6 | |
| 7 | const isMasterHref = (href: string | undefined): boolean => { |
| 8 | if (!href) return false |
| 9 | const normalized = href.trim().split(/[?#]/, 1)[0]?.replace(/\\/g, '/') |
| 10 | return ( |
| 11 | normalized === MASTER_CSS_HREF || |
| 12 | normalized === MASTER_CSS_HREF.slice(2) |
| 13 | ) |
| 14 | } |
| 15 | |
| 16 | export function ensureMasterStyleLink(html: string): string { |
| 17 | const $ = cheerio.load(html, { scriptingEnabled: false }) |
| 18 | if ($('head').length === 0) $('html').prepend('<head></head>') |
| 19 | $('link').each((_, element) => { |
| 20 | const link = $(element) |
| 21 | if (link.is(MASTER_LINK_SELECTOR) || isMasterHref(link.attr('href'))) link.remove() |
| 22 | }) |
| 23 | $('head').append(`\n ${buildMasterStyleLink()}\n`) |
| 24 | return $.html() |
| 25 | } |
| 26 | |
| 27 | export function hasUniqueMasterStyleLink(html: string): boolean { |
| 28 | const $ = cheerio.load(html, { scriptingEnabled: false }) |
| 29 | const masterLinks = $('link').filter((_, element) => isMasterHref($(element).attr('href'))) |
| 30 | if (masterLinks.length !== 1) return false |
| 31 | const link = masterLinks.first() |
| 32 | return link.is(MASTER_LINK_SELECTOR) && link.attr('href') === MASTER_CSS_HREF |
| 33 | } |
| 34 | |
| 35 | export function setMasterPageNumber(html: string, pageNumber: number): string { |
| 36 | const normalizedPageNumber = Math.max(1, Math.floor(pageNumber)) |
| 37 | if (!Number.isFinite(normalizedPageNumber)) return html |
| 38 | const $ = cheerio.load(html, { scriptingEnabled: false }) |
| 39 | const value = String(normalizedPageNumber) |
| 40 | $('body').first().attr('data-ppt-page-number', value) |
| 41 | $('.ppt-page-root[data-ppt-guard-root="1"]').first().attr('data-ppt-page-number', value) |
| 42 | return $.html() |
| 43 | } |
| 44 | |
| 45 | export function isMasterElementsDisabled(html: string): boolean { |
| 46 | const $ = cheerio.load(html, { scriptingEnabled: false }) |
| 47 | return ( |
| 48 | $('body').first().attr('data-ppt-master-off') === '1' || |
| 49 | $('.ppt-page-root[data-ppt-guard-root="1"]').first().attr('data-ppt-master-off') === '1' |
| 50 | ) |
| 51 | } |
| 52 | |
| 53 | export function setMasterElementsDisabled(html: string, disabled: boolean): string { |
| 54 | const $ = cheerio.load(html, { scriptingEnabled: false }) |
| 55 | const body = $('body').first() |
| 56 | const root = $('.ppt-page-root[data-ppt-guard-root="1"]').first() |
| 57 | if (disabled) { |
| 58 | body.attr('data-ppt-master-off', '1') |
| 59 | root.attr('data-ppt-master-off', '1') |
| 60 | } else { |
| 61 | body.removeAttr('data-ppt-master-off') |
| 62 | root.removeAttr('data-ppt-master-off') |
| 63 | } |
| 64 | return $.html() |
| 65 | } |
| 66 |