import puppeteer from "../../puppeteer.app.mjs";
import constants from "../../common/constants.mjs";
import fs from "fs";
import { ConfigurationError } from "@pipedream/platform";
export default {
key: "puppeteer-screenshot-page",
name: "Screenshot a Page",
description: "Captures a screenshot of a page using Puppeteer. [See the documentation](https://pptr.dev/api/puppeteer.page.screenshot)",
version: "1.0.1",
type: "action",
props: {
puppeteer,
url: {
type: "string",
label: "URL",
description: "The URL of the page to scrape.",
},
downloadPath: {
type: "string",
label: "Download Path",
description: "Download the screenshot to the `/tmp` directory with the specified filename",
optional: true,
},
captureBeyondViewport: {
type: "boolean",
label: "Capture Beyond Viewport",
description: "Capture the screenshot beyond the viewport.",
optional: true,
default: true,
},
clipHeight: {
type: "string",
label: "Clip Height",
description: "Specifies the height of the region of the page to clip.",
optional: true,
},
clipScale: {
type: "string",
label: "Clip Scale",
description: "Specifies the scale of the region of the page to clip.",
default: "1",
optional: true,
},
clipWidth: {
type: "string",
label: "Clip Width",
description: "Specifies the width of the region of the page to clip.",
optional: true,
},
clipX: {
type: "string",
label: "Clip X",
description: "Specifies the X value of the region of the page to clip.",
optional: true,
},
clipY: {
type: "string",
label: "Clip Y",
description: "Specifies Y value of the region of the page to clip.",
optional: true,
},
encoding: {
type: "string",
label: "Encoding",
description: "Encoding of the image.",
optional: true,
default: "binary",
options: constants.IMAGE_ENCODING,
},
fromSurface: {
type: "boolean",
label: "From Surface",
description: "Capture the screenshot from the surface, rather than the view.",
optional: true,
default: false,
},
fullPage: {
type: "boolean",
label: "Full Page",
description: "When true, takes a screenshot of the full page.",
optional: true,
default: false,
},
omitBackground: {
type: "boolean",
label: "Omit Background",
description: "Hides default white background and allows capturing screenshots with transparency.",
optional: true,
default: false,
},
optimizeForSpeed: {
type: "boolean",
label: "Optimize For Speed",
description: "Optimize for speed.",
optional: true,
default: false,
},
quality: {
type: "integer",
label: "Quality",
description: "Quality of the image, between 0-100. Not applicable to png images.",
optional: true,
},
type: {
type: "string",
label: "Type",
description: "Type of the screenshot image.",
optional: true,
default: "png",
options: constants.SCREENSHOT_TYPE,
},
},
methods: {
async downloadToTMP(screenshot) {
const path = this.downloadPath.includes("/tmp")
? this.downloadPath
: `/tmp/${this.downloadPath}`;
fs.writeFileSync(path, screenshot);
return path;
},
},
async run({ $ }) {
if ((this.clipHeight || this.clipWidth || this.clipX || this.clipY)
&& !(this.clipHeight && this.clipWidth && this.clipX && this.clipY)) {
throw new ConfigurationError("Clip height, width, X, and Y must be specified to create clip.");
}
const clip = this.clipHeight || this.clipWidth || this.clipX || this.clipY
? {
height: parseFloat(this.clipHeight),
scale: parseFloat(this.clipScale),
width: parseFloat(this.clipWidth),
x: parseFloat(this.clipX),
y: parseFloat(this.clipY),
}
: undefined;
const options = {
captureBeyondViewport: this.captureBeyondViewport,
clip,
encoding: this.encoding,
fromSurface: this.fromSurface,
fullPage: this.fullPage,
omitBackground: this.omitBackground,
optimizeForSpeed: this.optimizeForSpeed,
quality: this.quality,
type: this.type,
};
const browser = await this.puppeteer.launch();
const page = await browser.newPage();
await page.goto(this.url);
const screenshot = await page.screenshot(options);
await browser.close();
const filePath = screenshot && this.downloadPath
? await this.downloadToTMP(screenshot)
: undefined;
if (screenshot) {
$.export("$summary", "Successfully captured screenshot from page.");
}
return filePath
? {
screenshot: screenshot.toString("base64"),
filePath,
}
: screenshot.toString("base64");
},
};
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