zxing-js/library

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src/core/common/GlobalHistogramBinarizer.ts

Summary

Maintainability
C
1 day
Test Coverage
A
95%

Function getBlackRow has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.
Open

    public getBlackRow(y: number /*int*/, row: BitArray): BitArray /*throws NotFoundException*/ {
        const source = this.getLuminanceSource();
        const width = source.getWidth();
        if (row === undefined || row === null || row.getSize() < width) {
            row = new BitArray(width);
Severity: Minor
Found in src/core/common/GlobalHistogramBinarizer.ts - About 2 hrs to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function estimateBlackPoint has 42 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    private static estimateBlackPoint(buckets: Int32Array): number /*int*/ /*throws NotFoundException*/ {
        // Find the tallest peak in the histogram.
        const numBuckets = buckets.length;
        let maxBucketCount = 0;
        let firstPeak = 0;
Severity: Minor
Found in src/core/common/GlobalHistogramBinarizer.ts - About 1 hr to fix

    Function estimateBlackPoint has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
    Open

        private static estimateBlackPoint(buckets: Int32Array): number /*int*/ /*throws NotFoundException*/ {
            // Find the tallest peak in the histogram.
            const numBuckets = buckets.length;
            let maxBucketCount = 0;
            let firstPeak = 0;
    Severity: Minor
    Found in src/core/common/GlobalHistogramBinarizer.ts - About 1 hr to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function getBlackRow has 33 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

        public getBlackRow(y: number /*int*/, row: BitArray): BitArray /*throws NotFoundException*/ {
            const source = this.getLuminanceSource();
            const width = source.getWidth();
            if (row === undefined || row === null || row.getSize() < width) {
                row = new BitArray(width);
    Severity: Minor
    Found in src/core/common/GlobalHistogramBinarizer.ts - About 1 hr to fix

      Function getBlackMatrix has 27 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          public getBlackMatrix(): BitMatrix /*throws NotFoundException*/ {
              const source = this.getLuminanceSource();
              const width = source.getWidth();
              const height = source.getHeight();
              const matrix = new BitMatrix(width, height);
      Severity: Minor
      Found in src/core/common/GlobalHistogramBinarizer.ts - About 1 hr to fix

        Function getBlackMatrix has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
        Open

            public getBlackMatrix(): BitMatrix /*throws NotFoundException*/ {
                const source = this.getLuminanceSource();
                const width = source.getWidth();
                const height = source.getHeight();
                const matrix = new BitMatrix(width, height);
        Severity: Minor
        Found in src/core/common/GlobalHistogramBinarizer.ts - About 55 mins to fix

        Cognitive Complexity

        Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

        A method's cognitive complexity is based on a few simple rules:

        • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
        • Code is considered more complex for each "break in the linear flow of the code"
        • Code is considered more complex when "flow breaking structures are nested"

        Further reading

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