SRS/tools/printPdf.ts

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TypeScript
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2022-04-29 01:00:41 +09:00
import puppeteer from "https://deno.land/x/puppeteer@9.0.2/mod.ts";
import { parse as argParse } from "https://deno.land/std@0.136.0/flags/mod.ts";
import {join as pathJoin} from "https://deno.land/std@0.136.0/path/mod.ts";
const executablePathMap = {
windows: "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe",
//"C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe",
darwin: "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome",
linux: "/usr/bin/chromium-browser",
};
function findChromeDir(){
const dir = executablePathMap[Deno.build.os];
if (Deno.build.os === "linux"){
const pathes = Deno.env.get("PATH")?.split(";");
if(!pathes){
return dir;
}
for (const path of pathes){
const entries = [...Deno.readDirSync(path)];
const chrome = entries.find((entry) => entry.name === "chrome");
if(chrome) {
return pathJoin(path, chrome.name);
}
}
}
return dir;
}
async function main() {
const args = argParse(Deno.args);
let { url, outDir, chromeDir } = args;
if (!url) {
console.error("No url provided.");
Deno.exit(1);
}
outDir = outDir ?? "out.pdf";
if(!chromeDir) {
console.log("No chromeDir provided. Try to find chrome.");
chromeDir = findChromeDir();
console.log(`chromeDir: ${chromeDir}`);
}
const browser = await puppeteer.launch({
product: "chrome",
headless: true,
executablePath: chromeDir,
});
const page = await browser.newPage();
console.log(`goto url ${url}`);
await page.goto(url, {
waitUntil: "networkidle2",
});
await page.pdf({
path: outDir,
margin: {
bottom: "1cm",
left: "1cm",
right: "1cm",
top: "1cm",
}
});
await browser.close();
}
if (import.meta.main) {
main();
}