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41 lines
909 B
41 lines
909 B
'use strict';
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const metro = require('./metro');
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const path = require('path');
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const fs = require('fs');
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const { CONFIG_PATH = path.resolve(__dirname, './config.json') } = process.env;
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const existsConfigFile = fs.existsSync(CONFIG_PATH);
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if (!existsConfigFile) {
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exit(4)(new Error(`Wrong path for CONFIG_PATH env variable: ${CONFIG_PATH} no such file`));
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}
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let config;
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if (existsConfigFile) {
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config = fs.readFileSync(CONFIG_PATH);
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try {
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config = JSON.parse(config);
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} catch (e) {
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exit(5)(new Error('Wrong config format: invalid JSON'));
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}
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}
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metro({ metrics: config && config.metrics })
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.then(exit(0))
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.catch(exit(1));
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process.on('uncaughtException', exit(2));
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process.on('unhandledRejection', exit(3));
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function exit (code = 1) {
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return function (err) {
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if (err) {
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console.error(err);
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}
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process.exit(code);
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};
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}
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