| 14 | } |
| 15 | |
| 16 | export class Print { |
| 17 | private static defaultOptions: PrintOptions = { |
| 18 | globalStyles: true, |
| 19 | mediaPrint: false, |
| 20 | stylesheet: null, |
| 21 | noPrintSelector: ".no-print", |
| 22 | iframe: true, |
| 23 | append: null, |
| 24 | prepend: null, |
| 25 | manuallyCopyFormValues: true, |
| 26 | deferred: Promise.resolve(), |
| 27 | timeout: 750, |
| 28 | title: null, |
| 29 | doctype: "<!doctype html>" |
| 30 | } |
| 31 | |
| 32 | static print( |
| 33 | element: HTMLElement, |
| 34 | options?: Partial<PrintOptions> |
| 35 | ): Promise<void> { |
| 36 | const mergedOptions = { ...Print.defaultOptions, ...options } |
| 37 | const $element = element |
| 38 | const content = Print.getContentToPrint($element, mergedOptions) |
| 39 | |
| 40 | return mergedOptions.iframe |
| 41 | ? Print.printContentInIFrame(content, mergedOptions) |
| 42 | : Print.printContentInNewWindow(content, mergedOptions) |
| 43 | } |
| 44 | |
| 45 | private static getContentToPrint( |
| 46 | element: HTMLElement, |
| 47 | options: PrintOptions |
| 48 | ): string { |
| 49 | const clone = element.cloneNode(true) as HTMLElement |
| 50 | Print.handleStyles(clone, options) |
| 51 | Print.removeUnwantedElements(clone, options.noPrintSelector) |
| 52 | Print.handleFormValues(clone, options.manuallyCopyFormValues) |
| 53 | Print.addExtraContent(clone, options) |
| 54 | |
| 55 | return clone.outerHTML |
| 56 | } |
| 57 | |
| 58 | private static handleStyles(clone: HTMLElement, options: PrintOptions): void { |
| 59 | if (options.globalStyles) { |
| 60 | const styles = document.querySelectorAll("style, link, meta, base, title") |
| 61 | styles.forEach((style) => clone.appendChild(style.cloneNode(true))) |
| 62 | } else if (options.mediaPrint) { |
| 63 | const printStyles = document.querySelectorAll("link[media=print]") |
| 64 | printStyles.forEach((style) => clone.appendChild(style.cloneNode(true))) |
| 65 | } |
| 66 | |
| 67 | if (options.stylesheet) { |
| 68 | const stylesheets = Array.isArray(options.stylesheet) |
| 69 | ? options.stylesheet |
| 70 | : [options.stylesheet] |
| 71 | stylesheets.forEach((sheet) => { |
| 72 | const link = document.createElement("link") |
| 73 | link.rel = "stylesheet" |
nothing calls this directly
no outgoing calls
no test coverage detected