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add --watch mode to "yarn build" (#15116)

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* wip: add --watch mode to "yarn build"

* fix: handle error events
This commit is contained in:
Alec Larson
2019-04-25 07:55:44 -04:00
committed by Christoph Nakazawa
parent 793ef9b855
commit ed36df46c6
1 changed files with 37 additions and 13 deletions
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50
scripts/rollup/build.js
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@@ -1,6 +1,6 @@
'use strict';
const {rollup} = require('rollup');
const rollup = require('rollup');
const babel = require('rollup-plugin-babel');
const closure = require('./plugins/closure-plugin');
const commonjs = require('rollup-plugin-commonjs');
@@ -78,6 +78,7 @@ const requestedBundleTypes = argv.type
: [];
const requestedBundleNames = parseRequestedNames(argv._, 'lowercase');
const forcePrettyOutput = argv.pretty;
const isWatchMode = argv.watch;
const syncFBSourcePath = argv['sync-fbsource'];
const syncWWWPath = argv['sync-www'];
const shouldExtractErrors = argv['extract-errors'];
@@ -526,19 +527,42 @@ async function createBundle(bundle, bundleType) {
bundleType
);
console.log(`${chalk.bgYellow.black(' BUILDING ')} ${logKey}`);
try {
const result = await rollup(rollupConfig);
await result.write(rollupOutputOptions);
} catch (error) {
console.log(`${chalk.bgRed.black(' OH NOES! ')} ${logKey}\n`);
handleRollupError(error);
throw error;
if (isWatchMode) {
rollupConfig.output = [rollupOutputOptions];
const watcher = rollup.watch(rollupConfig);
watcher.on('event', async event => {
switch (event.code) {
case 'BUNDLE_START':
console.log(`${chalk.bgYellow.black(' BUILDING ')} ${logKey}`);
break;
case 'BUNDLE_END':
for (let i = 0; i < otherOutputPaths.length; i++) {
await asyncCopyTo(mainOutputPath, otherOutputPaths[i]);
}
console.log(`${chalk.bgGreen.black(' COMPLETE ')} ${logKey}\n`);
break;
case 'ERROR':
case 'FATAL':
console.log(`${chalk.bgRed.black(' OH NOES! ')} ${logKey}\n`);
handleRollupError(event.error);
break;
}
});
} else {
console.log(`${chalk.bgYellow.black(' BUILDING ')} ${logKey}`);
try {
const result = await rollup.rollup(rollupConfig);
await result.write(rollupOutputOptions);
} catch (error) {
console.log(`${chalk.bgRed.black(' OH NOES! ')} ${logKey}\n`);
handleRollupError(error);
throw error;
}
for (let i = 0; i < otherOutputPaths.length; i++) {
await asyncCopyTo(mainOutputPath, otherOutputPaths[i]);
}
console.log(`${chalk.bgGreen.black(' COMPLETE ')} ${logKey}\n`);
}
for (let i = 0; i < otherOutputPaths.length; i++) {
await asyncCopyTo(mainOutputPath, otherOutputPaths[i]);
}
console.log(`${chalk.bgGreen.black(' COMPLETE ')} ${logKey}\n`);
}
function handleRollupWarning(warning) {