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feat(utils): add a script for watching various builds (#3545)

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Watches our main typescript compilation, webpacks, type generation, and rpc channel generation.
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Joel Einbinder 2020-08-20 09:27:04 -07:00 committed by GitHub
parent 86815d70e0
commit 0d03cc0f9a
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2 changed files with 50 additions and 1 deletions
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2
package.json
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@ -22,7 +22,7 @@
"clean": "rimraf lib && rimraf types",
"prepare": "node install-from-github.js",
"build": "node utils/runWebpack.js --mode='development' && tsc -p . && npm run generate-types",
"watch": "node utils/runWebpack.js --mode='development' --watch --silent | tsc -w -p .",
"watch": "node utils/watch.js",
"test-types": "npm run generate-types && npx -p typescript@3.7.5 tsc -p utils/generate_types/test/tsconfig.json && npm run typecheck-tests",
"generate-types": "node utils/generate_types/",
"generate-channels": "node utils/generate_channels.js",

49
utils/watch.js Normal file
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@ -0,0 +1,49 @@
/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const child_process = require('child_process');
const path = require('path');
const fs = require('fs');
const spawns = [
child_process.spawn('node', [path.join(__dirname, 'runWebpack.js'), '--mode="development"', '--watch', '--silent'], { stdio: 'inherit', shell: true }),
child_process.spawn('npx', ['tsc', '-w', '--preserveWatchOutput', '-p', path.join(__dirname, '..')], { stdio: 'inherit', shell: true }),
];
process.on('exit', () => spawns.forEach(s => s.kill()));
runOnChanges(['src/rpc/protocol.yml'], 'utils/generate_channels.js');
runOnChanges(['docs/api.md', 'utils/generate_types/overrides.d.ts', 'utils/generate_types/exported.json'], 'utils/generate_types/index.js');
/**
* @param {string[][]} paths
* @param {string} nodeFile
*/
function runOnChanges(paths, nodeFile) {
for (const p of [...paths, nodeFile]) {
const filePath = path.join(__dirname, '..', ...p.split('/'));
if (!fs.existsSync(filePath)) {
console.error('could not find file', filePath);
process.exit(1);
}
fs.watchFile(filePath, callback);
}
callback();
function callback() {
child_process.spawnSync('node', [path.join(__dirname, '..', ...nodeFile.split('/'))]);
}
}