17 lines
580 B
Plaintext
17 lines
580 B
Plaintext
const ENV_EXPR = /(?<!\\)(\\*)\$\{([^${}]+)\}/g
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export function envReplace(settingValue: string, env: NodeJS.ProcessEnv): string {
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return settingValue.replace(ENV_EXPR, replaceEnvMatch.bind(null, env))
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}
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function replaceEnvMatch (env: NodeJS.ProcessEnv, orig: string, escape: string, name: string): string {
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if (escape.length % 2) {
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return orig.slice((escape.length + 1) / 2)
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}
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const envValue = env[name]
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if (envValue === undefined) {
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throw new Error(`Failed to replace env in config: ${orig}`)
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}
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return `${(escape.slice(escape.length / 2))}${envValue}`
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}
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