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insert_snapshot_warning.js

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267fdbd

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insert_snapshot_warning.js

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'use strict';

const fs = require('fs');

const path = require('path');

const { JSDOM } = require('jsdom');

const { execSync } = require('child_process');

const COMMIT = String(execSync('git rev-parse --verify HEAD'));

const WARNING_HTML = fs.readFileSync(path.join(__dirname, 'snapshot_warning.html'), 'utf8')

.replace(/{COMMIT}/g, COMMIT);

const WARNING_CSS = fs.readFileSync(path.join(__dirname, 'snapshot_warning.css'), 'utf8');

console.log('Inserting snapshot reference warning...');

JSDOM.fromFile('./out/index.html', { contentType: 'text/html; charset=utf-8' }).then((dom) => {

const { document } = dom.window;

const style = document.createElement('style');

style.textContent = WARNING_CSS;

document.head.append(style);

// insert WARNING_HTML in beginning of body so it renders

// first even on slower devices and browsers

document.body.insertAdjacentHTML('afterbegin', WARNING_HTML);

fs.writeFileSync('./out/index.html', dom.serialize(), 'utf8');

console.log('Done!');

}).catch((reason) => {

console.error(reason);

process.exitCode = 1;

});