nimma/cjs/codegen/guards.cjs

Scalable JSONPath engine.

'use strict';

function isMemberExpression(node) {
  return node.type === 'MemberExpression';
}

function isScriptFilterExpression(node) {
  return node.type === 'ScriptFilterExpression';
}

function isShorthandExpression(node) {
  return node.type === 'CustomShorthandExpression';
}

function isNegativeSliceExpression(node) {
  return node.type === 'SliceExpression' && node.value.some(isNegativeNumber);
}

function isModifierExpression(node) {
  return node.type === 'KeyExpression' || node.type === 'ParentExpression';
}

function isWildcardExpression(node) {
  return node.type === 'WildcardExpression';
}

function isDeep(node) {
  return node.deep;
}

function isNegativeNumber(value) {
  return Number.isFinite(value) && value < 0;
}

exports.isDeep = isDeep;
exports.isMemberExpression = isMemberExpression;
exports.isModifierExpression = isModifierExpression;
exports.isNegativeNumber = isNegativeNumber;
exports.isNegativeSliceExpression = isNegativeSliceExpression;
exports.isScriptFilterExpression = isScriptFilterExpression;
exports.isShorthandExpression = isShorthandExpression;
exports.isWildcardExpression = isWildcardExpression;