| 1 |
- {"ast":null,"code":"/**\n * Class used to evaluate queries containing `and` and `or` operators\n */\nexport class AndOrNotEvaluator {\n /**\n * Evaluate a query\n * @param query defines the query to evaluate\n * @param evaluateCallback defines the callback used to filter result\n * @returns true if the query matches\n */\n static Eval(query, evaluateCallback) {\n if (!query.match(/\\([^()]*\\)/g)) {\n query = AndOrNotEvaluator._HandleParenthesisContent(query, evaluateCallback);\n } else {\n query = query.replace(/\\([^()]*\\)/g, r => {\n // remove parenthesis\n r = r.slice(1, r.length - 1);\n return AndOrNotEvaluator._HandleParenthesisContent(r, evaluateCallback);\n });\n }\n if (query === \"true\") {\n return true;\n }\n if (query === \"false\") {\n return false;\n }\n return AndOrNotEvaluator.Eval(query, evaluateCallback);\n }\n static _HandleParenthesisContent(parenthesisContent, evaluateCallback) {\n evaluateCallback = evaluateCallback || (r => {\n return r === \"true\" ? true : false;\n });\n let result;\n const or = parenthesisContent.split(\"||\");\n for (const i in or) {\n if (Object.prototype.hasOwnProperty.call(or, i)) {\n let ori = AndOrNotEvaluator._SimplifyNegation(or[i].trim());\n const and = ori.split(\"&&\");\n if (and.length > 1) {\n for (let j = 0; j < and.length; ++j) {\n const andj = AndOrNotEvaluator._SimplifyNegation(and[j].trim());\n if (andj !== \"true\" && andj !== \"false\") {\n if (andj[0] === \"!\") {\n result = !evaluateCallback(andj.substring(1));\n } else {\n result = evaluateCallback(andj);\n }\n } else {\n result = andj === \"true\" ? 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true : false;\n });\n let result;\n const or = parenthesisContent.split(\"||\");\n for (const i in or) {\n if (Object.prototype.hasOwnProperty.call(or, i)) {\n let ori = AndOrNotEvaluator._SimplifyNegation(or[i].trim());\n const and = ori.split(\"&&\");\n if (and.length > 1) {\n for (let j = 0; j < and.length; ++j) {\n const andj = AndOrNotEvaluator._SimplifyNegation(and[j].trim());\n if (andj !== \"true\" && andj !== \"false\") {\n if (andj[0] === \"!\") {\n result = !evaluateCallback(andj.substring(1));\n }\n else {\n result = evaluateCallback(andj);\n }\n }\n else {\n result = andj === \"true\" ? true : false;\n }\n if (!result) {\n // no need to continue since 'false && ... && ...' will always return false\n ori = \"false\";\n break;\n }\n }\n }\n if (result || ori === \"true\") {\n // no need to continue since 'true || ... || ...' will always return true\n result = true;\n break;\n }\n // result equals false (or undefined)\n if (ori !== \"true\" && ori !== \"false\") {\n if (ori[0] === \"!\") {\n result = !evaluateCallback(ori.substring(1));\n }\n else {\n result = evaluateCallback(ori);\n }\n }\n else {\n result = ori === \"true\" ? 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