84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
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'use strict';
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const fs = require('fs');
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const path = require('path');
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let controllerDir;
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let appName;
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/**
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* returns application name
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*
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* The name of the application can be different and this function finds it out.
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*
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* @returns {string}
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*/
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function getAppName() {
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const parts = __dirname.replace(/\\/g, '/').split('/');
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return parts[parts.length - 2].split('.')[0];
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}
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/**
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* looks for js-controller home folder
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*
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* @param {boolean} isInstall
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* @returns {string}
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*/
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function getControllerDir(isInstall) {
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// Find the js-controller location
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const possibilities = [
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'yunkong2.js-controller',
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'yunkong2.js-controller',
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];
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/** @type {string} */
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let controllerPath;
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for (const pkg of possibilities) {
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try {
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const possiblePath = require.resolve(pkg);
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if (fs.existsSync(possiblePath)) {
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controllerPath = possiblePath;
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break;
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}
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} catch (e) { /* not found */ }
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}
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if (controllerPath == null) {
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if (!isInstall) {
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console.log('Cannot find js-controller');
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process.exit(10);
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} else {
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process.exit();
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}
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}
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// we found the controller
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return path.dirname(controllerPath);
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}
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/**
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* reads controller base settings
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*
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* @alias getConfig
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* @returns {object}
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*/
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function getConfig() {
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let configPath;
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if (fs.existsSync(
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configPath = path.join(controllerDir, 'conf', appName + '.json')
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)) {
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return JSON.parse(fs.readFileSync(configPath, 'utf8'));
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} else if (fs.existsSync(
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configPath = path.join(controllerDir, 'conf', + appName.toLowerCase() + '.json')
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)) {
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return JSON.parse(fs.readFileSync(configPath, 'utf8'));
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} else {
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throw new Error('Cannot find ' + controllerDir + '/conf/' + appName + '.json');
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}
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}
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appName = getAppName();
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controllerDir = getControllerDir(typeof process !== 'undefined' && process.argv && process.argv.indexOf('--install') !== -1);
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const adapter = require(path.join(controllerDir, 'lib/adapter.js'));
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exports.controllerDir = controllerDir;
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exports.getConfig = getConfig;
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exports.Adapter = adapter;
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exports.appName = appName;
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