react-to-print - npm Package Compare versions

Comparing version 2.14.10 to 2.14.11

lib/index.d.ts

@@ -10,7 +10,7 @@ import * as React from "react";
 }
-declare type Font = {
+type Font = {
     family: string;
     source: string;
 };
-declare type PropertyFunction<T> = () => T;
+type PropertyFunction<T> = () => T;
 export interface IReactToPrintProps {
@@ -35,7 +35,5 @@ bodyClass?: string;
 export default class ReactToPrint extends React.Component<IReactToPrintProps> {
-    private linkTotal;
-    private linksLoaded;
-    private linksErrored;
-    private fontsLoaded;
-    private fontsErrored;
+    private numResourcesToLoad;
+    private resourcesLoaded;
+    private resourcesErrored;
     static defaultProps: {
@@ -51,8 +49,8 @@ copyStyles: boolean;
     handlePrint: () => void;
-    handleRemoveIframe: (force?: boolean | undefined) => void;
+    handleRemoveIframe: (force?: boolean) => void;
     logMessages: (messages: unknown[], level?: 'error' | 'warning' | 'debug') => void;
     render(): JSX.Element | null;
 }
-declare type UseReactToPrintHookReturn = () => void;
+type UseReactToPrintHookReturn = () => void;
 export declare const useReactToPrint: (props: IReactToPrintProps) => UseReactToPrintHookReturn;
 export {};

lib/index.js

@@ -1,1 +0,1 @@
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package.json

 {
   "name": "react-to-print",
-  "version": "2.14.10",
+  "version": "2.14.11",
   "description": "Print React components in the browser",
@@ -43,25 +43,25 @@ "main": "lib/index.js",
   "devDependencies": {
-    "@types/react": "^18.0.24",
-    "@types/react-dom": "^18.0.8",
-    "@typescript-eslint/eslint-plugin": "^5.10.1",
-    "@typescript-eslint/parser": "^5.10.1",
-    "acorn": "^8.7.0",
+    "@types/react": "^18.0.26",
+    "@types/react-dom": "^18.0.10",
+    "@typescript-eslint/eslint-plugin": "^5.48.0",
+    "@typescript-eslint/parser": "^5.48.0",
+    "acorn": "^8.8.1",
     "clean-webpack-plugin": "^4.0.0",
     "copy-webpack-plugin": "^11.0.0",
-    "css-loader": "^6.5.1",
-    "eslint": "^8.7.0",
+    "css-loader": "^6.7.3",
+    "eslint": "^8.31.0",
     "html-webpack-plugin": "^5.5.0",
-    "husky": "^8.0.1",
-    "lint-staged": "^13.0.3",
+    "husky": "^8.0.2",
+    "lint-staged": "^13.1.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-tabs": "^5.1.0",
+    "react-tabs": "^6.0.0",
     "style-loader": "^3.3.1",
-    "ts-loader": "^9.2.6",
-    "tslib": "^2.3.1",
-    "typescript": "^4.5.5",
+    "ts-loader": "^9.4.2",
+    "tslib": "^2.4.1",
+    "typescript": "^4.9.4",
     "url-loader": "^4.1.1",
-    "webpack": "^5.67.0",
-    "webpack-cli": "^4.9.2",
-    "webpack-dev-server": "^4.7.3"
+    "webpack": "^5.75.0",
+    "webpack-cli": "^5.0.1",
+    "webpack-dev-server": "^4.11.1"
   },
@@ -68,0 +68,0 @@ "lint-staged": {

README.md

@@ -223,5 +223,5 @@ <p align="center">
 
-### Can `react-to-print` print a PDF?
+### Can `react-to-print` be used to download a PDF without using the Print Preview window?
 
-We simply open the browser's print preview window, so we aren't able to print a PDF as we lose control once the print preview window opens. However, it should be very easy to use `react-to-print` to take the information you need an pass it to a library that can generate a PDF.
+No. We aren't able to print a PDF as we lose control once the print preview window opens. However, it should be very easy to use `react-to-print` to take the information you need an pass it to a library that can generate a PDF.
 
@@ -264,2 +264,39 @@ ```tsx
 
+### Setting state in `onBeforeGetContent`
+
+Recall that setting state is asynchronous. As such, you need to pass a `Promise` and wait for the state to update.
+
+```tsx
+const [isPrinting, setIsPrinting] = useState(false);
+const printRef = useRef(null);
+
+// We store the resolve Promise being used in `onBeforeGetContent` here
+const promiseResolveRef = useRef(null);
+
+// We watch for the state to change here, and for the Promise resolve to be available
+useEffect(() => {
+  if (isPrinting && promiseResolveRef.current) {
+    // Resolves the Promise, letting `react-to-print` know that the DOM updates are completed
+    promiseResolveRef.current();
+  }
+}, [isPrinting]);
+
+const handlePrint = useReactToPrint({
+  content: () => printRef.current,
+  onBeforeGetContent: () => {
+    return new Promise((resolve) => {
+      promiseResolveRef.current = resolve;
+      setIsPrinting(true);
+    });
+  },
+  onAfterPrint: () => {
+    // Reset the Promise resolve so we can print again
+    promiseResolveRef.current = null;
+    setIsPrinting(false);
+  }
+});
+```
+
+Note: for Class components, just pass the `resolve` to the callback for `this.setState`: `this.setState({ isPrinting: false }, resolve)`
+
 ### Changing print settings in the print dialog
@@ -291,2 +328,14 @@
 
+### Set the page size
+
+The default page size is usually A4. Most browsers do not allow JavaScript or CSS to set the page size. For the browsers that do, it is usually done using the CSS page [`size`](https://developer.mozilla.org/en-US/docs/Web/CSS/@page/size) property. Check [`caniuse`](https://caniuse.com/mdn-css_at-rules_page_size) to see if the browsers you develop against support this.
+
+```css
+@media print {
+  @page {
+    size: 50mm 150mm;
+  }
+}
+```
+
 ### Set custom margin to the page ([29](https://github.com/gregnb/react-to-print/issues/29))
@@ -328,24 +377,23 @@
 
-The `pageStyle` prop can be used to set anything from simple to complex styles. For example:
+The `pageStyle` prop should be a CSS string. For example: `".divider { break-after: always; }"`
 
-```js
-const pageStyle = `
-  @page {
-    size: 80mm 50mm;
-  }
+### Getting a blank page when printing
 
-  @media all {
-    .pagebreak {
-      display: none;
-    }
-  }
+Many have found setting the following CSS helpful. See [#26](https://github.com/gregnb/react-to-print/issues/26) for more.
 
-  @media print {
-    .pagebreak {
-      page-break-before: always;
-    }
+```css
+@media print {
+  html, body {
+    height: 100vh; /* Use 100% here to support printing more than a single page*/
+    margin: 0 !important;
+    padding: 0 !important;
+    overflow: hidden;
   }
-`;
+}
 ```
 
+#### When you've set the `removeAfterPrint` prop to `true`
+
+If you are getting a blank page while setting `removeAfterPrint` to `true`, try setting it to `false`. This will tell the browser not to remove the `iframe` that we use to print, which it may be doing by mistake, especially on mobile browsers.
+
 ### Styles incorrect in print dialog when using grid system
@@ -357,2 +405,8 @@
 
+What to know:
+
+- [`break-inside`](https://developer.mozilla.org/en-US/docs/Web/CSS/break-inside) (replaces [`page-break-inside`](https://developer.mozilla.org/en-US/docs/Web/CSS/page-break-inside))
+- [`break-before`](https://developer.mozilla.org/en-US/docs/Web/CSS/break-before) (replaces [`page-break-before`](https://developer.mozilla.org/en-US/docs/Web/CSS/page-break-before))
+- [`break-after`](https://developer.mozilla.org/en-US/docs/Web/CSS/break-after) (replaces [`page-break-after`](https://developer.mozilla.org/en-US/docs/Web/CSS/page-break-after))
+
 #### Pattern for Page-Breaking Dynamic Content
@@ -359,0 +413,0 @@

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