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Top 10 Examples of "istanbul-lib-instrument in functional component" in JavaScript

Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'istanbul-lib-instrument' 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.

// instrument without a filename
instrumenter.instrument(code, (error, code) => {
	if (error) {
		error.stack;
	} else {
		code.trim();
	}
});

const cov = instrumenter.lastFileCoverage();
Object.create(cov);

const map = instrumenter.lastSourceMap();
Object.create(map);

const initialCov = readInitialCoverage(code);
initialCov.gcv;

programVisitor(babelTypes);
programVisitor(babelTypes, filename);
programVisitor(babelTypes, filename, { coverageVariable: 'coverage' });
const visitor = programVisitor(babelTypes, filename, { inputSourceMap: sourceMap });

visitor.enter(filename);
const data = visitor.exit(filename);
Object.create(data.fileCoverage);
readInitialCoverage,
	programVisitor
} from 'istanbul-lib-instrument';

import * as babelTypes from 'babel-types';
import { RawSourceMap } from 'source-map';

const code = 'foo';
const filename = 'bar.txt';

createInstrumenter();
createInstrumenter({});
createInstrumenter({
	coverageVariable: 'coverage'
});
const instrumenter = createInstrumenter({
	preserveComments: true,
	compact: false,
	esModules: true,
	autoWrap: false,
	produceSourceMap: true,
	sourceMapUrlCallback: (filename: string, url: string) => {},
	debug: false
});

const sourceMap: RawSourceMap = {
	version: 1 as any as string, // Fixed by https://github.com/mozilla/source-map/pull/293 but the fix is not yet published
	sources: ['foo', 'bar'],
	names: ['foo', 'bar'],
	mappings: 'foo',
	file: 'foo'
};
let instrumenter;
    const origCallback = callback;
    const needBaseline = iOpts.saveBaseline();
    const baselineFile = path.resolve(iOpts.baselineFile());

    if (iOpts.completeCopy()) {
        includes = ['**/*'];
    } else {
        includes = iOpts.extensions().map(ext => '**/*' + ext);
    }

    if (!input) {
        return callback(new Error('No input specified'));
    }

    instrumenter = libInstrument.createInstrumenter(
        iOpts.getInstrumenterOpts()
    );

    if (needBaseline) {
        mkdirp.sync(path.dirname(baselineFile));
        instrumenter = new BaselineCollector(instrumenter);
        callback = function(err) {
            /* istanbul ignore else */
            if (!err) {
                console.error('Saving baseline coverage at ' + baselineFile);
                fs.writeFileSync(
                    baselineFile,
                    JSON.stringify(instrumenter.getCoverage()),
                    'utf8'
                );
            }
function InstrumenterIstanbul (options) {
  const { plugins } = options
  const configPlugins = plugins ? { plugins } : {}

  const instrumenter = createInstrumenter(Object.assign({
    autoWrap: true,
    coverageVariable: '__coverage__',
    embedSource: true,
    compact: options.compact,
    preserveComments: options.preserveComments,
    produceSourceMap: options.produceSourceMap,
    ignoreClassMethods: options.ignoreClassMethods,
    esModules: options.esModules
  }, configPlugins))

  return {
    instrumentSync (code, filename, sourceMap) {
      var instrumented = instrumenter.instrumentSync(code, filename)
      // the instrumenter can optionally produce source maps,
      // this is useful for features like remapping stack-traces.
      // TODO: test source-map merging logic.
error.stack;
	} else {
		code.trim();
	}
});

const cov = instrumenter.lastFileCoverage();
Object.create(cov);

const map = instrumenter.lastSourceMap();
Object.create(map);

const initialCov = readInitialCoverage(code);
initialCov.gcv;

programVisitor(babelTypes);
programVisitor(babelTypes, filename);
programVisitor(babelTypes, filename, { coverageVariable: 'coverage' });
const visitor = programVisitor(babelTypes, filename, { inputSourceMap: sourceMap });

visitor.enter(filename);
const data = visitor.exit(filename);
Object.create(data.fileCoverage);
}
});

const cov = instrumenter.lastFileCoverage();
Object.create(cov);

const map = instrumenter.lastSourceMap();
Object.create(map);

const initialCov = readInitialCoverage(code);
initialCov.gcv;

programVisitor(babelTypes);
programVisitor(babelTypes, filename);
programVisitor(babelTypes, filename, { coverageVariable: 'coverage' });
const visitor = programVisitor(babelTypes, filename, { inputSourceMap: sourceMap });

visitor.enter(filename);
const data = visitor.exit(filename);
Object.create(data.fileCoverage);
code.trim();
	}
});

const cov = instrumenter.lastFileCoverage();
Object.create(cov);

const map = instrumenter.lastSourceMap();
Object.create(map);

const initialCov = readInitialCoverage(code);
initialCov.gcv;

programVisitor(babelTypes);
programVisitor(babelTypes, filename);
programVisitor(babelTypes, filename, { coverageVariable: 'coverage' });
const visitor = programVisitor(babelTypes, filename, { inputSourceMap: sourceMap });

visitor.enter(filename);
const data = visitor.exit(filename);
Object.create(data.fileCoverage);
function instrumentCode(code, filename) {
    var createInstrumenter = require('istanbul-lib-instrument').createInstrumenter;
    return createInstrumenter().instrumentSync(code, filename);
}
/**
'use strict';
const {Transform} = require('stream');
const {createInstrumenter} = require('istanbul-lib-instrument');

const instrumenter = createInstrumenter({
    coverageVariable: '__runner_coverage__',
    preserveComments: true,
    compact: false,
    esModules: false,
    autoWrap: false,
    produceSourceMap: false,
    sourceMapUrlCallback: null,
    debug: false,
});

const scriptContent = Symbol('scriptContent');
const scriptFileName = Symbol('scriptFileName');

class CoverageInstrumentationStream extends Transform {
    constructor(options, fileName) {
        super(options);
}

function report() {
  //Add map files to transform .js into .ts in coverage report
  for (let file in cov)
    if (fs.existsSync(file + '.map'))
      cov[file].inputSourceMap = JSON.parse(fs.readFileSync(file + '.map', 'utf-8'));

  fs.writeFileSync(join(tmpd, `${process.type}.json`), JSON.stringify(cov), 'utf-8')
}

const customOpts = {
  includeAllSources: true
};

const instrumenter = createInstrumenter(customOpts)
const transformer = instrumenter.instrumentSync.bind(instrumenter)
const cov = global.__coverage__ = {}

const tmpd = resolve(__dirname, '.nyc_output')
if (!fs.existsSync(tmpd)) {
  fs.mkdirSync(tmpd)
}

const matched = match()

hookRequire(matched, transformer, {})

if (process.type === 'browser') {
  process.on('exit', report)
} else {
  window.addEventListener('unload', report)

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