27 lines
699 B
JavaScript
27 lines
699 B
JavaScript
// https://github.com/npm/rfcs/pull/183
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const envVal = val => Array.isArray(val) ? val.map(v => envVal(v)).join('\n\n')
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: val === null || val === false ? ''
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: String(val)
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const packageEnvs = (env, vals, prefix) => {
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for (const [key, val] of Object.entries(vals)) {
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if (val === undefined) {
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continue
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} else if (val && !Array.isArray(val) && typeof val === 'object') {
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packageEnvs(env, val, `${prefix}${key}_`)
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} else {
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env[`${prefix}${key}`] = envVal(val)
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}
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}
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return env
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}
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module.exports = (env, pkg) => packageEnvs({ ...env }, {
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name: pkg.name,
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version: pkg.version,
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config: pkg.config,
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engines: pkg.engines,
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bin: pkg.bin,
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}, 'npm_package_')
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