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accept 2 different optional directories to search for prebuilds #38

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accept 2 different optional directories to search for prebuilds #38

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76 changes: 48 additions & 28 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
var fs = require('fs')
var path = require('path')
var os = require('os')
var path = require('path')

// Workaround to fix webpack's build warnings: 'the request of a dependency is an expression'
var runtimeRequire = typeof __webpack_require__ === 'function' ? __non_webpack_require__ : require // eslint-disable-line
Expand All @@ -17,32 +17,30 @@ var uv = (process.versions.uv || '').split('.')[0]

module.exports = load

function load (dir) {
return runtimeRequire(load.path(dir))
function load (dir1, dir2) {
return runtimeRequire(load.path(dir1, dir2))
}

load.path = function (dir) {
dir = path.resolve(dir || '.')

try {
var name = runtimeRequire(path.join(dir, 'package.json')).name.toUpperCase().replace(/-/g, '_')
if (process.env[name + '_PREBUILD']) dir = process.env[name + '_PREBUILD']
} catch (err) {}

if (!prebuildsOnly) {
var release = getFirst(path.join(dir, 'build/Release'), matchBuild)
if (release) return release

var debug = getFirst(path.join(dir, 'build/Debug'), matchBuild)
if (debug) return debug
load.path = function (dir1, dir2) {
// check first optional directory
var dir = checkPath(dir1);
if (dir) {
return dir;
}

var prebuild = resolve(dir)
if (prebuild) return prebuild
// check second optional directory
dir = checkPath(dir2);
if (dir) {
return dir;
}

// check exe path
var nearby = resolve(path.dirname(process.execPath))
if (nearby) return nearby
if (nearby) {
return nearby;
}

// fail
var target = [
'platform=' + platform,
'arch=' + arch,
Expand All @@ -56,16 +54,38 @@ load.path = function (dir) {
typeof __webpack_require__ === 'function' ? 'webpack=true' : '' // eslint-disable-line
].filter(Boolean).join(' ')

throw new Error('No native build was found for ' + target + '\n loaded from: ' + dir + '\n')
throw new Error('No native build was found for ' + target + '\n loaded from 1: ' + dir1 + '\n loaded from 2: ' + dir2 + '\n')
}

function checkPath(dir) {
dir = path.resolve(dir || '.')

try {
var name = runtimeRequire(path.join(dir, 'package.json')).name.toUpperCase().replace(/-/g, '_')
if (process.env[name + '_PREBUILD'])
dir = process.env[name + '_PREBUILD']
} catch (err) {}

function resolve (dir) {
// Find most specific flavor first
var prebuilds = path.join(dir, 'prebuilds', platform + '-' + arch)
var parsed = readdirSync(prebuilds).map(parseTags)
var candidates = parsed.filter(matchTags(runtime, abi))
var winner = candidates.sort(compareTags(runtime))[0]
if (winner) return path.join(prebuilds, winner.file)
if (!prebuildsOnly) {
var release = getFirst(path.join(dir, 'build/Release'), matchBuild)
if (release)
return release;

var debug = getFirst(path.join(dir, 'build/Debug'), matchBuild)
if (debug)
return debug;
}

return resolve(dir);
}

function resolve (dir) {
// Find most specific flavor first
var prebuilds = path.join(dir, 'prebuilds', platform + '-' + arch)
var parsed = readdirSync(prebuilds).map(parseTags)
var candidates = parsed.filter(matchTags(runtime, abi))
var winner = candidates.sort(compareTags(runtime))[0]
return winner ? path.join(prebuilds, winner.file) : null;
}

function readdirSync (dir) {
Expand Down