/**
@module /utils/envReplace
*/
/**
@function envReplace
@description
The envReplace method finds occurances of ${...} in a stringified object and substitutes the template variables with values from matched process.env variables.
The template variable ${RESOURCE} will be substituted with the process.env.SRC_RESOURCE value.
Template variables not defined in the process.env will not be replaced.
@param {Obeckt} obj
@returns {json} safeObject
*/
module.exports = function envReplace(obj) {
// Convert the input object to a JSON string
const str = JSON.stringify(obj).replace(/\$\{([A-Za-z0-9_\s]*)\}/g, matched => {
// Remove template brackets from matched param.
const param = matched.replace(/\$\{|\}/g, '')
// Find substitute value from process.env SRC_* variable.
const change = process.env[`SRC_${param}`] || matched
return change
})
return JSON.parse(str);
}