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29 lines
804 B
29 lines
804 B
'use strict'
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const _ = require('lodash')
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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)?)?$/
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module.exports = {
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/**
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* Parse configuration value for environment vars
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*
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* Replaces `$(ENV_VAR_NAME)` with value of `ENV_VAR_NAME` environment variable.
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*
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* Also supports defaults by if provided as `$(ENV_VAR_NAME:default)`
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*
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* @param {any} cfg Configuration value
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* @returns Parse configuration value
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*/
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parseConfigValue (cfg) {
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return _.replace(
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cfg,
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/\$\(([A-Z0-9_]+)(?::(.+))?\)/g,
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(fm, m, d) => { return process.env[m] || d }
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)
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},
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isValidDurationString (val) {
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return isoDurationReg.test(val)
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}
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}
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