110 lines
3.3 KiB
JavaScript
110 lines
3.3 KiB
JavaScript
var fs = require('fs');
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const { spawnSync } = require('child_process');
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const CONFIG_FILE_NAME = 'mempool-frontend-config.json';
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const GENERATED_CONFIG_FILE_NAME = 'generated-config.js';
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let settings = [];
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let configContent = {};
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let gitCommitHash = '';
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let packetJsonVersion = '';
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try {
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const rawConfig = fs.readFileSync(CONFIG_FILE_NAME);
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configContent = JSON.parse(rawConfig);
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console.log(`${CONFIG_FILE_NAME} file found, using provided config`);
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} catch (e) {
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if (e.code !== 'ENOENT') {
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throw new Error(e);
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} else {
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console.log(`${CONFIG_FILE_NAME} file not found, using default config`);
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}
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}
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const indexFilePath = configContent.BASE_MODULE ? 'src/index.' + configContent.BASE_MODULE + '.html' : 'src/index.mempool.html';
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try {
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fs.copyFileSync(indexFilePath, 'src/index.html');
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console.log('Copied ' + indexFilePath + ' to src/index.html');
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} catch (e) {
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console.log('Error copying the index file');
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throw new Error(e);
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}
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try {
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const packageJson = fs.readFileSync('package.json');
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packetJsonVersion = JSON.parse(packageJson).version;
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console.log(`mempool version ${packetJsonVersion}`);
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} catch (e) {
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throw new Error(e);
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}
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for (setting in configContent) {
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settings.push({
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key: setting,
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value: configContent[setting]
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});
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}
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if (process.env.DOCKER_COMMIT_HASH) {
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gitCommitHash = process.env.DOCKER_COMMIT_HASH;
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} else {
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try {
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const gitRevParse = spawnSync('git', ['rev-parse', '--short', 'HEAD']);
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if (!gitRevParse.error) {
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const output = gitRevParse.stdout.toString('utf-8').replace(/[\n\r\s]+$/, '');
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gitCommitHash = output ? output : '?';
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console.log(`mempool revision ${gitCommitHash}`);
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} else if (gitRevParse.error.code === 'ENOENT') {
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console.log('git not found, cannot parse git hash');
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gitCommitHash = '?';
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}
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} catch (e) {
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console.log('Could not load git commit info: ' + e.message);
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gitCommitHash = '?';
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}
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}
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const newConfig = `(function (window) {
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window.__env = window.__env || {};${settings.reduce((str, obj) => `${str}
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window.__env.${obj.key} = ${ typeof obj.value === 'string' ? `'${obj.value}'` : obj.value };`, '')}
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window.__env.GIT_COMMIT_HASH = '${gitCommitHash}';
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window.__env.PACKAGE_JSON_VERSION = '${packetJsonVersion}';
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}(global || this));`;
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function readConfig(path) {
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try {
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const currentConfig = fs.readFileSync(path).toString().trim();
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return currentConfig;
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} catch (e) {
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return false;
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}
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}
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function writeConfig(path, config) {
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try {
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fs.writeFileSync(path, config, 'utf8');
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} catch (e) {
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throw new Error(e);
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}
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}
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const currentConfig = readConfig(GENERATED_CONFIG_FILE_NAME);
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if (currentConfig && currentConfig === newConfig) {
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console.log(`No configuration updates, skipping ${GENERATED_CONFIG_FILE_NAME} file update`);
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return;
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} else if (!currentConfig) {
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console.log(`${GENERATED_CONFIG_FILE_NAME} file not found, creating new config file`);
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console.log('CONFIG: ', newConfig);
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writeConfig(GENERATED_CONFIG_FILE_NAME, newConfig);
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console.log(`${GENERATED_CONFIG_FILE_NAME} file saved`);
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return;
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} else {
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console.log(`Configuration changes detected, updating ${GENERATED_CONFIG_FILE_NAME} file`);
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console.log('OLD CONFIG: ', currentConfig);
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console.log('NEW CONFIG: ', newConfig);
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writeConfig(GENERATED_CONFIG_FILE_NAME, newConfig);
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console.log(`${GENERATED_CONFIG_FILE_NAME} file updated`);
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};
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