/
snapshot.js
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/
snapshot.js
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'use strict';
const tmpdir = require('../common/tmpdir');
const { spawnSync } = require('child_process');
const path = require('path');
const fs = require('fs');
const assert = require('assert');
function buildSnapshot(entry, env) {
const child = spawnSync(process.execPath, [
'--snapshot-blob',
path.join(tmpdir.path, 'snapshot.blob'),
'--build-snapshot',
entry,
], {
cwd: tmpdir.path,
env: {
...process.env,
...env,
},
});
const stderr = child.stderr.toString();
const stdout = child.stdout.toString();
console.log('[stderr]');
console.log(stderr);
console.log('[stdout]');
console.log(stdout);
assert.strictEqual(child.status, 0);
const stats = fs.statSync(path.join(tmpdir.path, 'snapshot.blob'));
assert(stats.isFile());
return { child, stderr, stdout };
}
function runWithSnapshot(entry, env) {
const args = ['--snapshot-blob', path.join(tmpdir.path, 'snapshot.blob')];
if (entry !== undefined) {
args.push(entry);
}
const child = spawnSync(process.execPath, args, {
cwd: tmpdir.path,
env: {
...process.env,
...env,
},
});
const stderr = child.stderr.toString();
const stdout = child.stdout.toString();
console.log('[stderr]');
console.log(stderr);
console.log('[stdout]');
console.log(stdout);
assert.strictEqual(child.status, 0);
return { child, stderr, stdout };
}
module.exports = {
buildSnapshot,
runWithSnapshot,
};