Примеры ошибок, обнаруженных с помощью диагностики V7001

V7001. Operands of a binary operator are equivalent.

jQuery

V7001 The operands of the '||' operator are equivalent. gh-1764-fullscreen.js 13

var fullscreenSupported = document.exitFullscreen ||   // <=
  document.exitFullscreen ||                           // <=
  document.msExitFullscreen ||
  document.mozCancelFullScreen ||
  document.webkitExitFullscreen;

ESLint

V7001 The operands of the '&&' operator are equivalent. space-unary-ops.js 109

/**
* Check if the node is the first "!" in a "!!" convert to Boolean expression
* @param {ASTnode} node AST node
* @returns {boolean} Whether or not the node is first "!" in "!!"
*/
function isFirstBangInBangBangExpression(node) {
  return (
    node &&
    node.type === "UnaryExpression" &&
    node.argument.operator === "!" &&            // <=
    node.argument &&
    node.argument.type === "UnaryExpression" &&
    node.argument.operator === "!"               // <=
  );
}

Visual Studio Code

V7001 The operands of the '===' operator are equivalent. uriIdentityService.ts 63

const oldIgnorePathCasingValue = schemeIgnoresPathCasingCache.get(e.scheme);
if (oldIgnorePathCasingValue === undefined) {
  return;
}
schemeIgnoresPathCasingCache.delete(e.scheme);
const newIgnorePathCasingValue = ignorePathCasing(URI.from(....);
if (newIgnorePathCasingValue === newIgnorePathCasingValue) {        // <=
  return;
}
....