How to use the createPatch function from diff

mocha.js

GitHub: iykeori/LaravelCapstone

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  return indent + line;
}
function notBlank(line) {
  return typeof line !== 'undefined' && line !== null;
}
var msg = diff.createPatch('string', err.actual, err.expected);
var lines = msg.split('\n').splice(4);
return '\n      '
  + colorLines('diff added', '+ expected') + ' '
  + colorLines('diff removed', '- actual')

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base.js

GitHub: madhava96/volksy-tech-web_back_end

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  return indent + line;
}
function notBlank(line) {
  return typeof line !== 'undefined' && line !== null;
}
var msg = diff.createPatch('string', actual, expected);
var lines = msg.split('\n').splice(5);
return (
  '\n      ' +
  colorLines('diff added', '+ expected') +

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+ 3 other calls in file

htmlReporter.cjs

GitHub: CodeKick/bocha

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function notBlank(line) {
    return typeof line !== 'undefined' && line !== null;
}

let msg = diff.createPatch('string', actual, expected);
let lines = msg.split('\n').splice(5);
return (
    '\n      ' +
    colorLinesHtml('diff added', '+ expected') +

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