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NervJS/nerv

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packages/nerv-server/src/index.ts

Summary

Maintainability
F
3 days
Test Coverage

Function renderVNodeToString has a Cognitive Complexity of 131 (exceeds 5 allowed). Consider refactoring.
Open

function renderVNodeToString (vnode, parent, context, isSvg?: boolean) {
  if (isInvalid(vnode)) {
    return ''
  }
  const { type, props, children } = vnode
Severity: Minor
Found in packages/nerv-server/src/index.ts - About 2 days 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 renderVNodeToString has 105 lines of code (exceeds 25 allowed). Consider refactoring.
Open

function renderVNodeToString (vnode, parent, context, isSvg?: boolean) {
  if (isInvalid(vnode)) {
    return ''
  }
  const { type, props, children } = vnode
Severity: Major
Found in packages/nerv-server/src/index.ts - About 4 hrs to fix

    Function renderStylesToString has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.
    Open

    function renderStylesToString (styles: string | object): string {
  if (isString(styles)) {
    return styles
  } else {
    let renderedString = ''
    Severity: Minor
    Found in packages/nerv-server/src/index.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

    Avoid deeply nested control flow statements.
    Open

            } else if (prop === 'defaultChecked') {
          if (!props.checked) {
            renderedString += ` checked="${value}"`
          }
        } else if (isSvg && prop.match(/^xlink\:?(.+)/)) {
    Severity: Major
    Found in packages/nerv-server/src/index.ts - About 45 mins to fix

      Avoid deeply nested control flow statements.
      Open

                for (let i = 0, len = children.length; i < len; i++) {
            const child = children[i]
            if (isString(child)) {
              renderedString += child === '' ? ' ' : encodeEntities(child)
            } else if (isNumber(child)) {
      Severity: Major
      Found in packages/nerv-server/src/index.ts - About 45 mins to fix

        Avoid deeply nested control flow statements.
        Open

                  if (!props.value) {
            renderedString += ` value="${encodeEntities(value)}"`
          }
        Severity: Major
        Found in packages/nerv-server/src/index.ts - About 45 mins to fix

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