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build.js
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build.js
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// build the package in the current working directory
process.env.NODE_ENV = 'production';
const {createHash} = require('crypto');
const readFileSync = require('fs').readFileSync;
const unlinkSync = require('fs').unlinkSync;
const writeFileSync = require('fs').writeFileSync;
const resolve = require('path').resolve;
const dirname = require('path').dirname;
const relative = require('path').relative;
const {lsrSync} = require('lsr');
const babel = require('babel-core');
const {sync: spawnSync} = require('cross-spawn');
const mkdirp = require('mkdirp').sync;
const cwd = process.cwd();
const rootPkg = require('../package.json');
const pkg = require(cwd + '/package.json');
// .last_build
const buildHash = createHash('sha512');
const IGNORED_NAMES = ['.cache', 'lib', 'node_modules', '.last_build'];
lsrSync(cwd, {
filter(entry) {
return !IGNORED_NAMES.includes(entry.name);
},
}).forEach(entry => {
if (entry.isFile()) {
buildHash.update(readFileSync(entry.fullPath));
}
});
Object.keys(pkg.dependencies || {})
.concat(Object.keys(pkg.devDependencies || {}))
.sort()
.filter(
name =>
!(rootPkg.dependencies || {})[name] &&
!(rootPkg.devDependencies || {})[name],
)
.forEach(name => {
buildHash.update(
readFileSync(
__dirname + '/../packages/' + name.split('/').pop() + '/.last_build',
),
);
});
const buildHashDigest = buildHash.digest('hex');
if (!process.argv.includes('--force')) {
try {
const lastBuild = readFileSync(cwd + '/.last_build', 'utf8');
if (lastBuild.trim() === buildHashDigest) {
process.exit(0);
}
} catch (ex) {
if (ex.code !== 'ENOENT') {
throw ex;
}
}
}
console.log('building ' + pkg.name);
lsrSync(cwd, {
filter(entry) {
return !IGNORED_NAMES.includes(entry.name);
},
}).forEach(entry => {
if (!entry.isFile()) return;
if (/\@autogenerated\b/.test(readFileSync(entry.fullPath, 'utf8'))) {
unlinkSync(entry.fullPath);
}
});
// tsc -p tsconfig.build.json
const result = spawnSync(
require.resolve('.bin/tsc'),
['-p', 'tsconfig.build.json'],
{
stdio: 'inherit',
},
);
if (result.status !== 0) {
console.error('Failed to build ' + cwd.split('/').pop());
process.exit(1);
}
const publicFilePaths = lsrSync(cwd + '/lib')
.map(entry => {
if (entry.isFile() && /\.jsx?$/.test(entry.path)) {
const isPublic = /\@public\b/.test(readFileSync(entry.fullPath, 'utf8'));
writeFileSync(
entry.fullPath.replace(/\.jsx$/, '.js'),
babel.transformFileSync(entry.fullPath, {
babelrc: false,
presets: [
pkg['@databases/target'] === 'browser'
? require.resolve('@moped/babel-preset/browser')
: require.resolve('@moped/babel-preset/server'),
],
}).code,
);
if (/\.jsx$/.test(entry.fullPath)) {
unlinkSync(entry.fullPath);
}
if (isPublic) {
const definition = readFileSync(
entry.fullPath.replace(/\.jsx?$/, '.d.ts'),
'utf8',
);
const publicFilename = resolve(
cwd + '/' + entry.path.substr(2).replace(/\.jsx$/, '.js'),
);
const dir = dirname(publicFilename);
mkdirp(dir);
let requirePath = relative(dirname(publicFilename), entry.fullPath)
.replace(/\.jsx?$/, '')
.replace(/\\/g, '/');
if (requirePath[0] !== '.') {
requirePath = './' + requirePath;
}
writeFileSync(
publicFilename,
"// @autogenerated\n\nmodule.exports = require('" +
requirePath +
"');",
);
const hasDefaultExport = /export default/.test(definition);
const hasNamedExport = /export (?:[^d]|d[^e]|de[^f]|def[^a]|defa[^u]|defau[^l]|defaul[^t]|default[^ ])/.test(
definition,
);
writeFileSync(
publicFilename.replace(/\.jsx?$/, '.d.ts'),
`// @autogenerated\n\n${
hasDefaultExport ? `import def from '${requirePath}';\n\n` : ''
}${hasDefaultExport ? `export default def;\n` : ''}${
hasNamedExport ? `export * from '${requirePath}';\n` : ''
}`,
);
return [
entry.path.substr(2).replace(/\.jsx$/, '.js'),
entry.path.substr(2).replace(/\.jsx?$/, '.d.ts'),
];
}
}
return [];
})
.reduce((a, b) => [...a, ...b], []);
writeFileSync(cwd + '/.last_build', buildHashDigest);
const before = JSON.stringify(pkg);
pkg.files = ['lib/', ...publicFilePaths];
if (before !== JSON.stringify(pkg)) {
writeFileSync(cwd + '/package.json', JSON.stringify(pkg, null, ' ') + '\n');
}