| 1 | 'use strict';
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| 2 |
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| 3 | var path = require('path');
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| 4 | var spawn = require('child_process').spawn;
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| 5 | var finished = require('tap-finished');
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| 6 |
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| 7 | var DUMP_NODE_PATH = path.join(__dirname, './ipc-helpers/dump-node.js');
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| 8 |
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| 9 | function runNode(entry, cb) {
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| 10 | var coverage = {};
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| 11 | var exitCode = 0;
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| 12 | var child = spawn('node', [], {stdio: [null, null, null, 'ipc']});
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| 13 | child.on('message', function(message) {
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| 14 | coverage = message.coverage;
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| 15 | });
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| 16 | child.stdout.pipe(finished(function (results) {
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| 17 | if (!results.ok) {
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| 18 | exitCode = 1;
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| 19 | }
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| 20 | }));
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| 21 | child.on('exit', function(code) {
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| 22 | if (typeof code !== 'number') {
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| 23 | exitCode = 1;
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| 24 | } else if (code) {
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| 25 | exitCode = code;
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| 26 | }
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| 27 | cb(coverage, exitCode);
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| 28 | });
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| 29 | var script = 'require("' + DUMP_NODE_PATH + '");require("' + entry + '");';
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| 30 | child.stdin.end(script);
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| 31 | return child;
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| 32 | }
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| 33 |
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| 34 | module.exports = runNode;
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