overleaf/libraries/settings/Settings.js

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/* eslint-disable no-console */
const fs = require('fs')
const Path = require('path')
const { merge } = require('./merge')
const CWD = process.cwd()
const ENTRY_POINT_DIR = process.argv[1]
? Path.dirname(process.argv[1])
: undefined
const NODE_ENV = (process.env.NODE_ENV || 'development').toLowerCase()
const SHARELATEX_CONFIG = process.env.SHARELATEX_CONFIG
let settings
let settingsExist = false
const defaultsPath =
pathIfExists(Path.join(CWD, 'config/settings.defaults.js')) ||
pathIfExists(Path.join(ENTRY_POINT_DIR, 'config/settings.defaults.js'))
if (defaultsPath) {
console.log(`Using default settings from ${defaultsPath}`)
settings = require(defaultsPath)
settingsExist = true
} else {
settings = {}
}
const overridesPath =
pathIfExists(SHARELATEX_CONFIG) ||
pathIfExists(Path.join(CWD, `config/settings.${NODE_ENV}.js`))
if (overridesPath) {
console.log(`Using settings from ${overridesPath}`)
settings = merge(require(overridesPath), settings)
settingsExist = true
}
if (!settingsExist) {
console.warn("No settings or defaults found. I'm flying blind.")
}
module.exports = settings
function pathIfExists(path) {
if (path && fs.existsSync(path)) {
return path
}
return null
}