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Get mocha binary from npm bin #8

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Get mocha binary from npm bin #8

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14 changes: 11 additions & 3 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,8 @@ var _ = require('lodash'),
streamBuffers = require("stream-buffers"),
through = require('through'),
split = require('split'),
fs = require('fs');
fs = require('fs'),
os = require('os');

require('colors');

Expand All @@ -22,6 +23,11 @@ function newStreamBuffer() {
return stream;
}

var getNpmBin = _.memoize(function getNpmBin () {
// this only happens once, so sync is fine
return proc.execSync('npm bin', {encoding: 'utf8'}).trim();
});

var SpawnMocha = function (opts) {
var _this = this;
opts = opts || {};
Expand All @@ -30,8 +36,10 @@ var SpawnMocha = function (opts) {
});
var queue = async.queue(function (task, done) {
// Setup
var bin = _.isFunction(opts.bin) ? opts.bin() : opts.bin ||
join(__dirname, 'node_modules', '.bin', 'mocha');
var bin = _.isFunction(opts.bin)
? opts.bin()
: opts.bin
|| join(getNpmBin(), os.platform === 'win32' ? 'mocha.md' : 'mocha');
var env = _.isFunction(opts.env) ? opts.env() : opts.env || process.env;
env = _.clone(env);

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3 changes: 3 additions & 0 deletions package.json
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Expand Up @@ -43,6 +43,9 @@
"husky": "^2.0.0",
"vinyl": "^2.0.0"
},
"peerDependency": {
"mocha": "^6.0.0"
},
"engines": {
"node": ">= 0.9.0"
},
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