@cake-hub/cake-screenshot_diffs/cli.js

A CAKE Screenshot diffing tool that includes a setup to comapre two given resources by screenshots taken from the available pages.

#!/usr/bin/env node

const yargs = require ("yargs");
const fs = require ("fs-extra");
const BackstopConfiguration = require ("./src/backstop-configuration");
const CakeScreenshotDiff = require ("./index");
const PackageJson = require ("./package.json");

const defaultConfigurationFilePath = "./cake-screenshot.yml";

// Read the CLI parameters
const argv = yargs
    // Configuration path parameter
    .alias ("config", "configurationPath")
    .nargs("config", 1)
    .describe("config", "The path to your configuration file in YAML format.")
    .check((argv) => {
        const configPath = BackstopConfiguration.preparePath (argv.config, defaultConfigurationFilePath);
        if (!fs.existsSync (configPath)) {
            throw new Error ("The configPathuration file can not be opened at location: " + configPath);
        }
        return true;
    })
    // Help parameter
    .help("h")
    .alias("h", "help").argv;

(async () => {
    try {
        await CakeScreenshotDiff (
            BackstopConfiguration.preparePath (argv.config, defaultConfigurationFilePath)
        );
    } catch (e) {
        // Deal with the fact the chain failed
        console.error ("ERROR", PackageJson.name, e);
    }
})();