92 lines
1.8 KiB
JavaScript
92 lines
1.8 KiB
JavaScript
'use strict'
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const fs = require('fs')
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const path = require('path')
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const findUp = require('find-up')
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const stripJSONComments = require('strip-json-comments')
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let config = {}
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const configSources = ['package.json', '.rtlcssrc', '.rtlcss.json']
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const environments = [
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process.env.USERPROFILE,
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process.env.HOMEPATH,
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process.env.HOME
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]
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const readConfig = (configFilePath) => {
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return JSON.parse(stripJSONComments(fs.readFileSync(configFilePath, 'utf-8').trim()))
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}
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module.exports.load = (configFilePath, cwd, overrides) => {
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if (configFilePath) {
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return override(readConfig(configFilePath), overrides)
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}
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const directory = cwd || process.cwd()
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config = loadConfig(directory)
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if (!config) {
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for (const environment of environments) {
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if (!environment) {
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continue
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}
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config = loadConfig(environment)
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if (config) {
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break
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}
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}
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}
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if (config) {
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override(config, overrides)
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}
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return config
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}
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function loadConfig (cwd) {
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for (const source of configSources) {
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let foundPath
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try {
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foundPath = findUp.sync(source, { cwd })
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} catch (e) {
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continue
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}
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if (foundPath) {
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const configFilePath = path.normalize(foundPath)
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try {
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config = readConfig(configFilePath)
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} catch (e) {
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throw new Error(`${e} ${configFilePath}`)
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}
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if (source === 'package.json') {
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config = config.rtlcssConfig
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}
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if (config) {
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return config
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}
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}
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}
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}
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function override (to, from) {
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if (to && from) {
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for (const p in from) {
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if (Object.prototype.hasOwnProperty.call(from, p)) {
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if (Object.prototype.hasOwnProperty.call(to, p) && typeof to[p] === 'object') {
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override(to[p], from[p])
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} else {
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to[p] = from[p]
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}
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}
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}
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}
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return to
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}
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