30 lines
826 B
JavaScript
30 lines
826 B
JavaScript
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const packageEnvs = (vals, prefix, env = {}) => {
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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 === null || val === false) {
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env[`${prefix}${key}`] = ''
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} else if (Array.isArray(val)) {
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val.forEach((item, index) => {
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packageEnvs({ [`${key}_${index}`]: item }, `${prefix}`, env)
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})
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} else if (typeof val === 'object') {
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packageEnvs(val, `${prefix}${key}_`, env)
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} else {
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env[`${prefix}${key}`] = String(val)
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}
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}
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return env
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}
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// https://github.com/npm/rfcs/pull/183 defines which fields we put into the environment
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module.exports = pkg => {
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return packageEnvs({
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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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}
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