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WebpackCLIPlugin.js
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WebpackCLIPlugin.js
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const packageExists = require('../utils/package-exists');
const webpack = packageExists('webpack') ? require('webpack') : undefined;
const { getStatsOptions } = require('../utils/stats-options');
const { PluginName } = require('../utils/name');
class WebpackCLIPlugin {
constructor(options) {
this.options = options;
this.isWatch = false;
}
async apply(compiler) {
const { progress } = this.options;
if (progress) {
this.appendProgressPlugin(compiler, progress);
}
const isWebpack5 = Boolean(compiler.webpack);
const logger = compiler.getInfrastructureLogger(PluginName);
const resolveName = (obj) => (obj.name ? `${obj.name} ` : '');
const done = (stats) => {
const printStats = (childCompiler, childStats) => {
const name = resolveName(childCompiler);
const status = childStats.toString({
preset: 'none',
version: true,
timings: true,
// webpack@4
hash: false,
builtAt: false,
entrypoints: false,
assets: false,
modules: false,
});
const normalizedStatus = (() => {
if (isWebpack5) {
return status;
} else {
const [version, time] = status.split('\n').map((line) => {
const value = line.split(':')[1] || '';
return value.trim();
});
return `${name ? name + `(${version})` : version} compiled in ${time}`;
}
})();
if (childStats.hasErrors()) {
logger.error(normalizedStatus);
} else if (childStats.hasWarnings()) {
logger.warn(normalizedStatus);
} else {
logger.info(normalizedStatus);
}
const statsOptions = {
...getStatsOptions(childCompiler),
version: false,
timings: false,
};
const statsString = childStats.toString(statsOptions);
process.stdout.write(statsString + '\n');
if (this.isWatch) {
logger.info(name + 'watching files for updates...');
}
};
if (compiler.compilers) {
compiler.compilers.forEach((compilerFromMultiCompileMode, index) => {
printStats(compilerFromMultiCompileMode, stats.stats[index]);
});
} else {
printStats(compiler, stats);
}
};
compiler.hooks.run.tap(PluginName, (compilation) => {
logger.info(resolveName(compilation) + 'compilation starting...');
});
compiler.hooks.watchRun.tap(PluginName, (compilation) => {
logger.info(resolveName(compilation) + 'compilation starting...');
if (compilation.options.bail) {
logger.warn('you are using "bail" with "watch". "bail" will still exit webpack when the first error is found.');
}
this.isWatch = true;
});
compiler.hooks.done.tap(PluginName, (stats) => {
process.nextTick(() => {
done(stats);
});
});
}
appendProgressPlugin(compiler, progress) {
const { ProgressPlugin } = compiler.webpack || webpack;
const logger = compiler.getInfrastructureLogger(PluginName);
const compilers = compiler.compilers || [compiler];
for (const compiler of compilers) {
let progressPluginExists;
if (compiler.options.plugins) {
progressPluginExists = Boolean(compiler.options.plugins.find((plugin) => plugin instanceof ProgressPlugin));
}
if (!progressPluginExists) {
if (typeof progress === 'string' && progress !== 'profile') {
logger.error(`'${progress}' is an invalid value for the --progress option. Only 'profile' is allowed.`);
process.exit(2);
}
const isProfile = progress === 'profile';
new ProgressPlugin({ profile: isProfile }).apply(compiler);
}
}
}
}
module.exports = WebpackCLIPlugin;