Completed
Push — master ( d9e201...8e96bb )
by Vitaly
31s
created

printable-characters.js ➔ ???   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 3
Bugs 0 Features 0
Metric Value
cc 1
c 3
b 0
f 0
nc 1
dl 0
loc 1
rs 10
nop 1
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"use strict";
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var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
0 ignored issues
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Unused Code Comprehensibility introduced by
The assignment of undefined is not necessary as _e is implicitly marked as undefined by the declaration.
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Comprehensibility Bug introduced by
Usage of the throw statement in a finally clause is discouraged. This construct may mask errors and makes debugging difficult.
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Coding Style Best Practice introduced by
Curly braces around statements make for more readable code and help prevent bugs when you add further statements.

Consider adding curly braces around all statements when they are executed conditionally. This is optional if there is only one statement, but leaving them out can lead to unexpected behaviour if another statement is added later.

Consider:

if (a > 0)
    b = 42;

If you or someone else later decides to put another statement in, only the first statement will be executed.

if (a > 0)
    console.log("a > 0");
    b = 42;

In this case the statement b = 42 will always be executed, while the logging statement will be executed conditionally.

if (a > 0) {
    console.log("a > 0");
    b = 42;
}

ensures that the proper code will be executed conditionally no matter how many statements are added or removed.

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Bug introduced by
The variable Symbol seems to be never declared. If this is a global, consider adding a /** global: Symbol */ comment.

This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.

To learn more about declaring variables in Javascript, see the MDN.

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const ansiEscapeCode = '[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-PRZcf-nqry=><]',
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      zeroWidthCharacterExceptNewline = '\u0000-\u0008\u000B-\u0019\u001b\u009b\u00ad\u200b\u2028\u2029\ufeff',
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      zeroWidthCharacter = '\n' + zeroWidthCharacterExceptNewline,
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      zeroWidthCharactersExceptNewline = new RegExp('(?:' + ansiEscapeCode + ')|[' + zeroWidthCharacterExceptNewline + ']', 'g'),
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      zeroWidthCharacters = new RegExp('(?:' + ansiEscapeCode + ')|[' + zeroWidthCharacter + ']', 'g'),
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      partition = new RegExp('((?:' + ansiEscapeCode + ')|[\t' + zeroWidthCharacter + '])?([^\t' + zeroWidthCharacter + ']*)', 'g');
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module.exports = {
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    zeroWidthCharacters,
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    ansiEscapeCodes: new RegExp(ansiEscapeCode, 'g'),
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    strlen: s => s.replace(zeroWidthCharacters, '').length,
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    isBlank: s => s.replace(zeroWidthCharacters, '').replace(/\s/g, '').length === 0,
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    blank: s => s.replace(zeroWidthCharactersExceptNewline, '').replace(/[^\t\n]/g, ' '),
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    partition(s) {
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        for (var m, spans = []; partition.lastIndex !== s.length && (m = partition.exec(s));) {
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            spans.push([m[1] || '', m[2]]);
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        }
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        partition.lastIndex = 0; // reset
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        return spans;
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    },
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    first(s, n) {
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        let result = '',
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            length = 0;
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        for (const _ref of module.exports.partition(s)) {
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            var _ref2 = _slicedToArray(_ref, 2);
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            const nonPrintable = _ref2[0];
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            const printable = _ref2[1];
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            const text = printable.substr(0, n - length);
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            result += nonPrintable + text;
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            length += text.length;
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        }
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        return result;
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    }
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};
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//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIi4uL3ByaW50YWJsZS1jaGFyYWN0ZXJzLmpzIl0sIm5hbWVzIjpbXSwibWFwcGluZ3MiOiJBQUFBOzs7O0FBRUEsTUFBTSxpQkFBbUMsNEVBQXpDO0FBQUEsTUFDTSxrQ0FBbUMsc0VBRHpDO0FBQUEsTUFFTSxxQkFBbUMsT0FBTywrQkFGaEQ7QUFBQSxNQUdNLG1DQUFtQyxJQUFJLE1BQUosQ0FBWSxRQUFRLGNBQVIsR0FBeUIsS0FBekIsR0FBaUMsK0JBQWpDLEdBQW1FLEdBQS9FLEVBQW9GLEdBQXBGLENBSHpDO0FBQUEsTUFJTSxzQkFBbUMsSUFBSSxNQUFKLENBQVksUUFBUSxjQUFSLEdBQXlCLEtBQXpCLEdBQWlDLGtCQUFqQyxHQUFzRCxHQUFsRSxFQUF1RSxHQUF2RSxDQUp6QztBQUFBLE1BS00sWUFBbUMsSUFBSSxNQUFKLENBQVksU0FBUyxjQUFULEdBQTBCLE9BQTFCLEdBQW9DLGtCQUFwQyxHQUF5RCxVQUF6RCxHQUFzRSxrQkFBdEUsR0FBMkYsS0FBdkcsRUFBOEcsR0FBOUcsQ0FMekM7O0FBT0EsT0FBTyxPQUFQLEdBQWlCOztBQUViLHVCQUZhOztBQUliLHFCQUFpQixJQUFJLE1BQUosQ0FBWSxjQUFaLEVBQTRCLEdBQTVCLENBSko7O0FBTWIsWUFBUSxLQUFLLEVBQUUsT0FBRixDQUFXLG1CQUFYLEVBQWdDLEVBQWhDLEVBQ0UsTUFQRjs7QUFTYixhQUFTLEtBQUssRUFBRSxPQUFGLENBQVcsbUJBQVgsRUFBZ0MsRUFBaEMsRUFDRSxPQURGLENBQ1csS0FEWCxFQUNrQixFQURsQixFQUVFLE1BRkYsS0FFYSxDQVhkOztBQWFiLFdBQU8sS0FBSyxFQUFFLE9BQUYsQ0FBVyxnQ0FBWCxFQUE2QyxFQUE3QyxFQUNFLE9BREYsQ0FDVyxVQURYLEVBQ3VCLEdBRHZCLENBYkM7O0FBZ0JiLGNBQVcsQ0FBWCxFQUFjO0FBQ1YsYUFBSyxJQUFJLENBQUosRUFBTyxRQUFRLEVBQXBCLEVBQXlCLFVBQVUsU0FBVixLQUF3QixFQUFFLE1BQTNCLEtBQXVDLElBQUksVUFBVSxJQUFWLENBQWdCLENBQWhCLENBQTNDLENBQXhCLEdBQXlGO0FBQUUsa0JBQU0sSUFBTixDQUFZLENBQUMsRUFBRSxDQUFGLEtBQVEsRUFBVCxFQUFhLEVBQUUsQ0FBRixDQUFiLENBQVo7QUFBaUM7QUFDNUgsa0JBQVUsU0FBVixHQUFzQixDQUF0QixDQUZVLENBRWM7QUFDeEIsZUFBTyxLQUFQO0FBQ0gsS0FwQlk7O0FBc0JiLFVBQU8sQ0FBUCxFQUFVLENBQVYsRUFBYTs7QUFFVCxZQUFJLFNBQVMsRUFBYjtBQUFBLFlBQWlCLFNBQVMsQ0FBMUI7O0FBRUEsMkJBQXdDLE9BQU8sT0FBUCxDQUFlLFNBQWYsQ0FBMEIsQ0FBMUIsQ0FBeEMsRUFBc0U7QUFBQTs7QUFBQSxrQkFBMUQsWUFBMEQ7QUFBQSxrQkFBNUMsU0FBNEM7O0FBQ2xFLGtCQUFNLE9BQU8sVUFBVSxNQUFWLENBQWtCLENBQWxCLEVBQXFCLElBQUksTUFBekIsQ0FBYjtBQUNBLHNCQUFVLGVBQWUsSUFBekI7QUFDQSxzQkFBVSxLQUFLLE1BQWY7QUFDSDs7QUFFRCxlQUFPLE1BQVA7QUFDSDtBQWpDWSxDQUFqQiIsImZpbGUiOiJwcmludGFibGUtY2hhcmFjdGVycy5qcyIsInNvdXJjZXNDb250ZW50IjpbIlwidXNlIHN0cmljdFwiO1xuXG5jb25zdCBhbnNpRXNjYXBlQ29kZSAgICAgICAgICAgICAgICAgICA9ICdbXFx1MDAxYlxcdTAwOWJdW1soKSM7P10qKD86WzAtOV17MSw0fSg/OjtbMC05XXswLDR9KSopP1swLTlBLVBSWmNmLW5xcnk9PjxdJ1xuICAgICwgemVyb1dpZHRoQ2hhcmFjdGVyRXhjZXB0TmV3bGluZSAgPSAnXFx1MDAwMC1cXHUwMDA4XFx1MDAwQi1cXHUwMDE5XFx1MDAxYlxcdTAwOWJcXHUwMGFkXFx1MjAwYlxcdTIwMjhcXHUyMDI5XFx1ZmVmZidcbiAgICAsIHplcm9XaWR0aENoYXJhY3RlciAgICAgICAgICAgICAgID0gJ1xcbicgKyB6ZXJvV2lkdGhDaGFyYWN0ZXJFeGNlcHROZXdsaW5lXG4gICAgLCB6ZXJvV2lkdGhDaGFyYWN0ZXJzRXhjZXB0TmV3bGluZSA9IG5ldyBSZWdFeHAgKCcoPzonICsgYW5zaUVzY2FwZUNvZGUgKyAnKXxbJyArIHplcm9XaWR0aENoYXJhY3RlckV4Y2VwdE5ld2xpbmUgKyAnXScsICdnJylcbiAgICAsIHplcm9XaWR0aENoYXJhY3RlcnMgICAgICAgICAgICAgID0gbmV3IFJlZ0V4cCAoJyg/OicgKyBhbnNpRXNjYXBlQ29kZSArICcpfFsnICsgemVyb1dpZHRoQ2hhcmFjdGVyICsgJ10nLCAnZycpXG4gICAgLCBwYXJ0aXRpb24gICAgICAgICAgICAgICAgICAgICAgICA9IG5ldyBSZWdFeHAgKCcoKD86JyArIGFuc2lFc2NhcGVDb2RlICsgJyl8W1xcdCcgKyB6ZXJvV2lkdGhDaGFyYWN0ZXIgKyAnXSk/KFteXFx0JyArIHplcm9XaWR0aENoYXJhY3RlciArICddKiknLCAnZycpXG5cbm1vZHVsZS5leHBvcnRzID0ge1xuXG4gICAgemVyb1dpZHRoQ2hhcmFjdGVycyxcblxuICAgIGFuc2lFc2NhcGVDb2RlczogbmV3IFJlZ0V4cCAoYW5zaUVzY2FwZUNvZGUsICdnJyksXG5cbiAgICBzdHJsZW46IHMgPT4gcy5yZXBsYWNlICh6ZXJvV2lkdGhDaGFyYWN0ZXJzLCAnJylcbiAgICAgICAgICAgICAgICAgIC5sZW5ndGgsXG5cbiAgICBpc0JsYW5rOiBzID0+IHMucmVwbGFjZSAoemVyb1dpZHRoQ2hhcmFjdGVycywgJycpXG4gICAgICAgICAgICAgICAgICAgLnJlcGxhY2UgKC9cXHMvZywgJycpXG4gICAgICAgICAgICAgICAgICAgLmxlbmd0aCA9PT0gMCxcblxuICAgIGJsYW5rOiBzID0+IHMucmVwbGFjZSAoemVyb1dpZHRoQ2hhcmFjdGVyc0V4Y2VwdE5ld2xpbmUsICcnKVxuICAgICAgICAgICAgICAgICAucmVwbGFjZSAoL1teXFx0XFxuXS9nLCAnICcpLFxuXG4gICAgcGFydGl0aW9uIChzKSB7XG4gICAgICAgIGZvciAodmFyIG0sIHNwYW5zID0gW107IChwYXJ0aXRpb24ubGFzdEluZGV4ICE9PSBzLmxlbmd0aCkgJiYgKG0gPSBwYXJ0aXRpb24uZXhlYyAocykpOykgeyBzcGFucy5wdXNoIChbbVsxXSB8fCAnJywgbVsyXV0pIH1cbiAgICAgICAgcGFydGl0aW9uLmxhc3RJbmRleCA9IDAgLy8gcmVzZXRcbiAgICAgICAgcmV0dXJuIHNwYW5zXG4gICAgfSxcblxuICAgIGZpcnN0IChzLCBuKSB7XG5cbiAgICAgICAgbGV0IHJlc3VsdCA9ICcnLCBsZW5ndGggPSAwXG5cbiAgICAgICAgZm9yIChjb25zdCBbbm9uUHJpbnRhYmxlLCBwcmludGFibGVdIG9mIG1vZHVsZS5leHBvcnRzLnBhcnRpdGlvbiAocykpIHtcbiAgICAgICAgICAgIGNvbnN0IHRleHQgPSBwcmludGFibGUuc3Vic3RyICgwLCBuIC0gbGVuZ3RoKVxuICAgICAgICAgICAgcmVzdWx0ICs9IG5vblByaW50YWJsZSArIHRleHRcbiAgICAgICAgICAgIGxlbmd0aCArPSB0ZXh0Lmxlbmd0aFxuICAgICAgICB9XG5cbiAgICAgICAgcmV0dXJuIHJlc3VsdFxuICAgIH1cbn0iXX0=