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metro
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buck worker tool: catch errors thrown from commands, and respond with errors. 

Reviewed By: cpojer

Differential Revision: D4057884

fbshipit-source-id: acfe0cc57b541a534dd640380c69f591c1fb83c6
This commit is contained in:
David Aurelio 2016-11-01 05:47:18 -07:00 committed by Facebook Github Bot
parent d60ac14fd0
commit 05d53084c1
1 changed files with 10 additions and 40 deletions
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42
react-packager/src/ModuleGraph/worker.js vendored
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@ -29,14 +29,8 @@ const defaultVariants = {default: {}};
const moduleFactoryParameters = ['require', 'module', 'global', 'exports']; const moduleFactoryParameters = ['require', 'module', 'global', 'exports'];
function transformJSON(infile, options, outfile, callback) { function transformJSON(infile, options, outfile, callback) {
let json, value; const json = fs.readFileSync(infile, 'utf8');
try { const value = JSON.parse(json);
json = fs.readFileSync(infile, 'utf8');
value = JSON.parse(json);
} catch (readError) {
callback(readError);
return;
}
const filename = options.filename || infile; const filename = options.filename || infile;
const code = const code =
@ -71,13 +65,7 @@ function transformJSON(infile, options, outfile, callback) {
}; };
} }
try {
writeResult(outfile, result); writeResult(outfile, result);
} catch (writeError) {
callback(writeError);
return;
}
callback(null); callback(null);
} }
@ -87,14 +75,8 @@ function transformModule(infile, options, outfile, callback) {
return transformJSON(infile, options, outfile, callback); return transformJSON(infile, options, outfile, callback);
} }
let code, transform; const transform = require(options.transform);
try { const code = fs.readFileSync(infile, 'utf8');
transform = require(options.transform);
code = fs.readFileSync(infile, 'utf8');
} catch (readError) {
callback(readError);
return;
}
const variants = options.variants || defaultVariants; const variants = options.variants || defaultVariants;
const tasks = {}; const tasks = {};
@ -136,30 +118,18 @@ function transformModule(infile, options, outfile, callback) {
} }
function optimizeModule(infile, outfile, options, callback) { function optimizeModule(infile, outfile, options, callback) {
let data; const data = JSON.parse(fs.readFileSync(infile, 'utf8'));
try {
data = JSON.parse(fs.readFileSync(infile, 'utf8'));
} catch (readError) {
callback(readError);
return;
}
const transformed = data.transformed; const transformed = data.transformed;
const result = Object.assign({}, data); const result = Object.assign({}, data);
result.transformed = {}; result.transformed = {};
const file = data.file; const file = data.file;
const code = data.code; const code = data.code;
try {
Object.keys(transformed).forEach(key => { Object.keys(transformed).forEach(key => {
result.transformed[key] = optimize(transformed[key], file, code, options); result.transformed[key] = optimize(transformed[key], file, code, options);
}); });
writeResult(outfile, result); writeResult(outfile, result);
} catch (error) {
callback(error);
return;
}
callback(null); callback(null);
} }