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Gulpfile.js
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Gulpfile.js
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/* eslint-disable */
const gulp = require('gulp');
const sri = require('gulp-sri');
const git = require('git-rev-sync');
const pkg = require('./package.json');
const { upload } = require('gulp-s3-publish');
const { S3 } = require('aws-sdk');
const util = require('util');
const exec = util.promisify(require('child_process').exec);
// DEPLOYMENT CONFIGURATION OPTIONS
const pkgName = pkg.name;
const pkgCurrentVersion = pkg.version;
const source = ['dist/*.js', 'dist/*.js.map', 'dist/*.css', 'dist/*.json']; // source for deploy
const sourceSRI = ['dist/*.js', 'dist/*.css']; // source for sri generation
const bucket = process.env.DEPLOY_BUCKET || 'static.filestackapi.com'; // upload bucked
const betaBranch = process.env.BETA_BRANCH || 'develop';
const dryRun = process.env.DRY_RUN || false;
const putObjectParams = {
ACL: 'public-read'
};
const deployPath = pkgName; // upload path
// cache controll for each version
const cacheControl = {
latest: 1,
version: 30,
beta: 0,
};
// HELPERS
let currentTag;
const currentBranch = git.branch();
const isCi = process.env.CI || false;
const forceDeploy = process.env.FORCE_DEPLOY || false;
try {
currentTag = git.tag();
} catch(e) {
console.log('Current Git Tag not found. Beta will be released');
}
// Get major version for "version deploy" ie: 1.x.x
const getMajorVersion = (version) => version.split('.')[0];
// get current pkg version from npm (we dont need to update)
const getCurrentReleasedVersion = async () => {
const { stdout } = await exec(`npm view ${pkgName} version`);
return stdout.trim();
};
if (forceDeploy) {
console.info('!!!!!!!!!!!!!!!!!!!!!!!!!!!!');
console.info('!!!!!!FORCE DEPLOYMENT!!!!!!');
console.info('!!!!!!!!!!!!!!!!!!!!!!!!!!!!');
}
console.info('Current GIT Branch is', currentBranch);
console.info(`Current GIT Tag is`, currentTag);
console.info(`Is Continuous Integration Env`, isCi);
// S3
const S3Client = new S3();
const uploadFile = (version, CacheControl) => {
const options = {
bucket,
putObjectParams: {
...putObjectParams,
CacheControl: `max-age=${CacheControl * 86400}`,
},
uploadPath: `${deployPath}/${version}`,
dryRun
};
console.info('Upload files with option:', options);
return upload(S3Client, options);
}
/**
* Check if we can deploy code to production CDN
*
* - pgk should be released only from CI
* - pkg version should be different thant this on NPM repository
* - git tag should be set
* - current git tag should be equal to provided in package.json
*/
const canBeDeployedProd = async () => {
if (!forceDeploy) {
const currentVersion = await getCurrentReleasedVersion();
if (!isCi) {
console.info('Publish can be run only from CI. You can bypass it using FORCE flag');
return Promise.resolve(false);
}
if (currentVersion === pkgCurrentVersion) {
console.info(`Version ${pkgCurrentVersion} is already published (in npm). Skipping`);
return Promise.resolve(false);
}
if (!currentTag) {
console.info('Current tag is missing');
return Promise.resolve(false);
}
if (currentTag !== pkgCurrentVersion) {
console.info(`Package version ${pkgCurrentVersion} and GIT Tag (${currentTag}) are not equal. Skipping`);
return Promise.resolve(false);
}
}
return Promise.resolve(true);
}
// GENERATE SRI TAG
gulp.task('sri', () => {
return gulp.src(sourceSRI)
.pipe(sri({
fileName: 'dist/manifest.json',
transform: (o) => {
let newOb = {};
for (const el in o) {
newOb[el.replace('dist/', '')] = { sri: o[el] };
};
return newOb;
}
}))
.pipe(gulp.dest('.'));
});
// DEPLOYMENTS
gulp.task('publish:beta', (done) => {
// beta can be deployed only from provided branch
if (currentBranch !== betaBranch) {
console.warn(`Skipping publish:beta task. Incorrect branch ${currentBranch}. Beta can be released from ${betaBranch}`);
return done();
}
return gulp.src(source).pipe(uploadFile('beta', cacheControl.beta));
});
gulp.task('publish:latest', async () => {
if (!(await canBeDeployedProd())) {
console.warn('Skipping publish:latest task');
return Promise.resolve();
}
return gulp.src(source).pipe(uploadFile(`${getMajorVersion(pkgCurrentVersion)}.x.x`, cacheControl.latest));
});
gulp.task('publish:version', async () => {
if (!(await canBeDeployedProd())) {
console.warn('Skipping publish:version task');
return Promise.resolve();
}
return gulp.src(source).pipe(uploadFile(pkgCurrentVersion, cacheControl.version));
});
gulp.task('publish', gulp.series('sri', 'publish:beta', 'publish:version', 'publish:latest'));