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wiki/server/helpers/config.mjs

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794 B

import { replace } from 'lodash-es'
const isoDurationReg = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/
export default {
/**
* Parse configuration value for environment vars
*
* Replaces `$(ENV_VAR_NAME)` with value of `ENV_VAR_NAME` environment variable.
*
* Also supports defaults by if provided as `$(ENV_VAR_NAME:default)`
*
* @param {any} cfg Configuration value
* @returns Parse configuration value
*/
parseConfigValue (cfg) {
return replace(
cfg,
/\$\(([A-Z0-9_]+)(?::(.+))?\)/g,
(fm, m, d) => { return process.env[m] || d }
)
},
isValidDurationString (val) {
return isoDurationReg.test(val)
}
}