Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'babel-code-frame' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
const firstFrame = frames[0];
// Need the first frame for highlighting affected source code, sometimes that's not available.
if (firstFrame != null) {
const wrappedFirstFrame = wrapCallSite(firstFrame);
const sourceFile = cleanSourceFileName(wrappedFirstFrame.getFileName());
let sourceText = '';
try {
sourceText = readFileSync(sourceFile, 'utf-8');
} catch (error) {
// Ignore errors
}
// Generate highlighted code frame and attach it to the native error object (for later usage)
if (sourceText) {
const result = codeFrame(
sourceText,
wrappedFirstFrame.getLineNumber(),
wrappedFirstFrame.getColumnNumber(),
CODE_FRAME_OPTIONS,
);
nativeError.code = result;
}
}
return frames.map(frame => frameToString(frame)).filter(item => item != null).join('\n');
}
let result;
try {
result = Babel.transform(code, customConfig);
} catch (e) {
e.message = e.message.replace('unknown', path);
// Match the line+col
const lineColRegex = /\((\d+):(\d+)\)/;
const match = e.message.match(lineColRegex);
if (match && match[1] && match[2]) {
const lineNumber = +match[1];
const colNumber = +match[2];
const niceMessage =
e.message + '\n\n' + codeFrame(code, lineNumber, colNumber);
e.message = niceMessage;
}
throw e;
}
const dependencies = getDependencies(detective.metadata(result));
if (isV7) {
// Force push this dependency, there are cases where it isn't included out of our control.
// https://twitter.com/vigs072/status/1103005932886343680
// TODO: look into this
dependencies.push({
path: '@babel/runtime/helpers/interopRequireDefault',
type: 'direct',
});
return this.makeResult({ code, ignored: true });
} else {
return inner();
}
} catch (err) {
if (err._comal) {
throw err;
} else {
err._comal = true;
}
let message = err.message = `${file.filename}: ${err.message}`;
let loc = err.loc;
if (loc) {
err.codeFrame = codeFrame(code, loc.line, loc.column + 1, this.opts);
message += "\n" + err.codeFrame;
}
if (process.browser) {
// chrome has it's own pretty stringifier which doesn't use the stack property
// https://github.com/babel/babel/issues/2175
err.message = message;
}
if (err.stack) {
let newStack = err.stack.replace(err.message, message);
err.stack = newStack;
}
throw err;
}
// Need the first frame for highlighting affected source code, sometimes that's not available.
if (firstFrame != null)
{
var wrappedFirstFrame = wrapCallSite(firstFrame)
var sourceFile = cleanSourceFileName(wrappedFirstFrame.getFileName())
var sourceText = ""
try {
sourceText = readFileSync(sourceFile, "utf-8")
} catch (error) {
// Ignore errors
}
// Generate highlighted code frame and attach it to the native error object (for later usage)
if (sourceText) {
const result = codeFrame(sourceText,
wrappedFirstFrame.getLineNumber(), wrappedFirstFrame.getColumnNumber(), CODE_FRAME_OPTIONS)
nativeError.code = result
}
}
return frames.map((frame) => frameToString(frame))
.filter((item) => item != null)
.join("\n")
}
return this.makeResult({ code, ignored: true });
} else {
return callback();
}
} catch (err) {
if (err._babel) {
throw err;
} else {
err._babel = true;
}
let message = err.message = `${this.opts.filename}: ${err.message}`;
const loc = err.loc;
if (loc) {
err.codeFrame = codeFrame(code, loc.line, loc.column + 1, this.opts);
message += "\n" + err.codeFrame;
}
if (process.browser) {
// chrome has it's own pretty stringifier which doesn't use the stack property
// https://github.com/babel/babel/issues/2175
err.message = message;
}
if (err.stack) {
const newStack = err.stack.replace(err.message, message);
err.stack = newStack;
}
throw err;
}
// If the stack trace already contains the message, we improve the
// readability by omitting the message
if (!includes(err.stack, err.message)) {
lines.push(err.message);
}
// Improve the reporting on parse errors by generating a code frame
if (err.loc && !err.codeFrame) {
let text;
try {
text = fs.readFileSync(file, 'utf8');
} catch (err) {
// Ignore the error
}
if (text) {
err.codeFrame = babelCodeFrame(text, err.loc.line, err.loc.column);
}
}
if (
err.codeFrame &&
// We should try to avoid duplicating the code frame, if it's
// already been added by another tool
!includes(err.message, err.codeFrame) &&
!includes(err.stack, err.codeFrame)
) {
lines.push(err.codeFrame);
}
lines.push(err.stack);
return lines.join('\n');
throw err;
} else {
err._babel = true;
}
let message = (err.message = `${this.opts.filename}: ${err.message}`);
const loc = err.loc;
if (loc) {
const location = {
start: {
line: loc.line,
column: loc.column + 1,
},
};
err.codeFrame = codeFrameColumns(code, location, this.opts);
message += "\n" + err.codeFrame;
}
if (process.browser) {
// chrome has it's own pretty stringifier which doesn't use the stack property
// https://github.com/babel/babel/issues/2175
err.message = message;
}
if (err.stack) {
const newStack = err.stack.replace(err.message, message);
err.stack = newStack;
}
throw err;
}
import codeFrame from "babel-code-frame";
const code = `
const number = 1;
var string = 'foo';
function print(name: string) {
console.log(string + name);
}
`;
codeFrame(code, 5, 22);
codeFrame(code, 5, 22, { forceColor: true });
codeFrame(code, 2, 2, { highlightCode: true });
}, function (err, result) {
if (err) {
if (err.loc) {
console.log(`${file} syntax error:`)
console.log(codeFrame(readFileSync(file, 'utf8'), err.loc.line, err.loc.column))
}
reject(err)
return
}
writeFileSync(file, result.code)
try {
beautifulFile(file)
} catch (err) {
}
resolve(result)
})
})
export default function getCodeFrame(node, state) {
return codeFrame(
state.file.code,
node.loc.start.line,
node.loc.start.column,
{
highlightCode: true,
}
);
}