46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
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const { resolve, dirname, delimiter } = require('path')
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// the path here is relative, even though it does not need to be
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// in order to make the posix tests pass in windows
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const nodeGypPath = resolve(__dirname, '../lib/node-gyp-bin')
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// Windows typically calls its PATH environ 'Path', but this is not
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// guaranteed, nor is it guaranteed to be the only one. Merge them
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// all together in the order they appear in the object.
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const setPATH = (projectPath, binPaths, env) => {
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const PATH = Object.keys(env).filter(p => /^path$/i.test(p) && env[p])
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.map(p => env[p].split(delimiter))
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.reduce((set, p) => set.concat(p.filter(concatted => !set.includes(concatted))), [])
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.join(delimiter)
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const pathArr = []
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if (binPaths) {
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pathArr.push(...binPaths)
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}
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// unshift the ./node_modules/.bin from every folder
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// walk up until dirname() does nothing, at the root
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// XXX we should specify a cwd that we don't go above
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let p = projectPath
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let pp
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do {
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pathArr.push(resolve(p, 'node_modules', '.bin'))
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pp = p
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p = dirname(p)
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} while (p !== pp)
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pathArr.push(nodeGypPath, PATH)
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const pathVal = pathArr.join(delimiter)
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// XXX include the node-gyp-bin path somehow? Probably better for
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// npm or arborist or whoever to just provide that by putting it in
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// the PATH environ, since that's preserved anyway.
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for (const key of Object.keys(env)) {
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if (/^path$/i.test(key)) {
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env[key] = pathVal
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}
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}
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return env
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}
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module.exports = setPATH
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