fix comments after pr

Dockerfile

@@ -5,10 +5,13 @@ WORKDIR /workspace
 COPY ./demo-site/shared_config.json .
 COPY ./demo-site/templates templates
 COPY ./demo-site/utils utils
+COPY ./demo-site/scripts scripts
 COPY ./demo-site/servers/nodejs/package.json servers/nodejs/package.json
 RUN cd servers/nodejs && npm install
 COPY ./demo-site/servers/nodejs servers/nodejs
 
+RUN node scripts/create_static_files.js
+
 WORKDIR /workspace/servers/nodejs
 
 COPY ./ perimeterx-node-express

demo-site/scripts/create_static_files.js

@@ -0,0 +1,105 @@
+//region imports
+const fs = require('fs');
+const path = require('path');
+const sharedConfig = require('../shared_config.json');
+const { forEachServer, normalizeEnforcerName } = require("../utils/utils");
+const { CONFIG_FILE_NAME } = require('../utils/constants');
+//endregion
+
+const TEMPLATE_INDICATOR = sharedConfig.site_config.template_indicator;
+const REPLACE_VARIABLE_REGEX = /\${[A-Za-z1-9_]*}/gi;
+
+const main = () => {
+    const publicTemplateDir = path.join(__dirname, "..", sharedConfig.site_config.public_template_dir);
+    forEachServer((serverName, serverPath, serverConfig) => {
+        const publicDir = createPublicDirForServer(serverPath, serverConfig);
+        if (!publicDir) {
+            console.error(`Couldn't create public dir for ${serverName} server`);
+            process.exit(1);
+        }
+
+        if (!copyStaticFiles(publicTemplateDir, serverConfig, serverName, publicDir)) {
+            console.error(`Could not copy static files for ${normalizeEnforcerName(serverName)}. Skipping...`);
+        } else {   
+            console.log(`Successfully created static files for ${normalizeEnforcerName(serverName)}`);
+        }
+    });
+};
+
+const copyStaticFiles = (publicTemplateDir, serverConfig, serverName, publicDir) => {
+    const replaceVariableMaps = createReplacementVariableMaps(serverConfig, serverName);
+    if (!replaceVariableMaps) {
+        return false;
+    }
+
+    const fileNames = fs.readdirSync(publicTemplateDir);
+    for (const fileName of fileNames) {
+        copyFileToServerDirectory(fileName, publicTemplateDir, replaceVariableMaps, publicDir);
+    }
+    return true;
+};
+
+const copyFileToServerDirectory = (fileName, publicTemplateDir, replaceVariableMaps, publicDir) => {
+    if (fileName.includes(TEMPLATE_INDICATOR)) {
+        copyTemplateToServerDirectory(fileName, publicTemplateDir, replaceVariableMaps, publicDir);
+    } else {
+        copyStaticFileToServerDirectory(fileName, publicTemplateDir, publicDir);
+    }
+};
+
+const copyTemplateToServerDirectory = (fileName, publicTemplateDir, replaceVariableMaps, publicDir) => {
+    const template = fs.readFileSync(path.join(publicTemplateDir, fileName)).toString();
+    for (const { templateIndicatorReplacement, replacementMap } of replaceVariableMaps) {
+        const fileContents = fillInTemplate(template, replacementMap);
+        const newFileName = fileName.replace(TEMPLATE_INDICATOR, templateIndicatorReplacement);
+        fs.writeFileSync(path.join(publicDir, newFileName), fileContents);
+    }
+};
+
+const copyStaticFileToServerDirectory = (fileName, publicTemplateDir, publicDir) => {
+    const fileContents = fs.readFileSync(path.join(publicTemplateDir, fileName)).toString();
+    fs.writeFileSync(path.join(publicDir, fileName), fileContents);
+};
+
+const fillInTemplate = (template, replaceVariableMap) => {
+    return template.replace(REPLACE_VARIABLE_REGEX, (matched) => replaceVariableMap[matched]);
+}
+
+const createReplacementVariableMaps = (config, enforcerName) => {
+    const appId = config.enforcer_credentials.px_app_id;
+    if (appId == null || appId.length === 0) {
+        console.error(`No px_app_id found in ${enforcerName}/${CONFIG_FILE_NAME}!`);
+        return null;
+    }
+    const appIdSubstr = appId.substr(2);
+    return [
+        createReplacementInfo("", appId, `//client.px-cloud.net/${appId}/main.min.js`, enforcerName),
+        createReplacementInfo(".firstparty", appId, `/${appIdSubstr}/init.js`, enforcerName)
+    ];
+};
+
+const createReplacementInfo = (templateIndicatorReplacement, appId, sensorSrcUrl, enforcerName) => {
+    return {
+        templateIndicatorReplacement,
+        replacementMap: {
+            "${app_id}": appId,
+            "${sensor_src_url}": sensorSrcUrl,
+            "${enforcer_name}": normalizeEnforcerName(enforcerName)
+        }
+    };
+};
+
+const createPublicDirForServer = (serverPath, config) => {
+    if (!config.site_config || !config.site_config.public_output_dir) {
+        console.error(`No property "public_output_dir" in ${serverPath}/${CONFIG_FILE_NAME}: ${config}`);
+        return null;
+    }
+
+    const publicFilesPath = path.join(serverPath, config.site_config.public_output_dir);
+    if (!fs.existsSync(publicFilesPath)) {
+        fs.mkdirSync(publicFilesPath);
+    }
+    return publicFilesPath;
+};
+
+main();