63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
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/*eslint-disable max-len*/
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'use strict';
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var fs = require('fs');
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var assert = require('assert');
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var exec = require('child_process').exec;
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var semver = require('semver');
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var f = require('util').format;
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// Make sure we have a package.json to parse. Take it as the first argument
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// (actually the 3rd for argv).
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assert(
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process.argv.length >= 3,
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'Expected to receive a package.json file argument to parse'
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);
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var packageFilePath = process.argv[2];
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var packageData;
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try {
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var packageFile = fs.readFileSync(packageFilePath, {encoding: 'utf-8'});
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packageData = JSON.parse(packageFile);
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} catch (e) {
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assert(
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false,
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f('Expected to be able to parse %s as JSON but we got this error instead: %s', packageFilePath, e)
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);
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}
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var devEngines = packageData.devEngines;
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if (devEngines.node !== undefined) {
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// First check that devEngines are valid semver
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assert(
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semver.validRange(devEngines.node),
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f('devEngines.node (%s) is not a valid semver range', devEngines.node)
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);
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// Then actually check that our version satisfies
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var nodeVersion = process.versions.node;
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assert(
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semver.satisfies(nodeVersion, devEngines.node),
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f('Current node version is not supported for development, expected "%s" to satisfy "%s".', nodeVersion, devEngines.node)
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);
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}
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if (devEngines.npm !== undefined) {
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// First check that devEngines are valid semver
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assert(
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semver.validRange(devEngines.npm),
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f('devEngines.npm (%s) is not a valid semver range', devEngines.npm)
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);
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// Then actually check that our version satisfies
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exec('npm --version', function(err, stdout, stderr) {
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assert(err === null, f('Failed to get npm version... %s'), stderr);
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var npmVersion = stdout.trim();
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assert(
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semver.satisfies(npmVersion, devEngines.npm),
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f('Current npm version is not supported for development, expected "%s" to satisfy "%s".', npmVersion, devEngines.npm)
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);
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});
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}
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