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class ConditionOperator {
id = undefined;
caption = undefined;
/**
* @type {mixed} variable
* @type {mixed} value
*/
test(variable, value) {
throw new Error("You need to override test()");
}
}
const OP_STR_EQUALS = "equals";
const OP_STR_NOT_EQUALS = "not_equals";
const OP_CONTAINS = "contains";
const OP_NOT_CONTAINS = "not_contains";
const OP_STARTS_WITH = "starts_with";
const OP_NOT_STARTS_WITH = "not_starts_with";
const OP_ENDS_WITH = "ends_with";
const OP_NOT_ENDS_WITH = "not_ends_with";
const OP_NUM_EQUALS = "num_equals";
const OP_NUM_NOT_EQUALS = "num_not_equals";
const OP_LT = "lt";
const OP_GT = "gt";
const OP_LTE = "lte";
const OP_GTE = "gte";
/**
* Asserts a variable is equal to a value.
*/
class StringEqualsOperator extends ConditionOperator {
id = OP_STR_EQUALS;
caption = "equals";
/**
* @inheritdoc
*/
test(variable, value) {
return variable === value;
}
}
/**
* Asserts a variable is not equal to a value.
*/
class StringNotEqualsOperator extends ConditionOperator {
id = OP_STR_NOT_EQUALS;
caption = "not equals";
/**
* @inheritdoc
*/
test(variable, value) {
return variable !== value;
}
}
/**
* Asserts a variable contains a value.
* Handles both Array and String variable types.
*/
class ContainsOperator extends ConditionOperator {
id = OP_CONTAINS;
caption = "contains";
/**
* @inheritdoc
*/
test(variable, value) {
if (Array.isArray(variable)) {
return variable.includes(value);
}
return variable.indexOf(value) !== -1;
}
}
/**
* Asserts a variable does not contain a value.
* Handles both Array and String variable types.
*/
class NotContainsOperator extends ConditionOperator {
id = OP_NOT_CONTAINS;
caption = "not contains";
/**
* @inheritdoc
*/
test(variable, value) {
if (Array.isArray(variable)) {
return !variable.includes(value);
}
return variable.indexOf(value) === -1;
}
}
/**
* Asserts a variable starts with a value.
*/
class StartsWithOperator extends ConditionOperator {
id = OP_STARTS_WITH;
caption = "starts with";
/**
* @inheritdoc
*/
test(variable, value) {
return variable.startsWith(value);
}
}
/**
* Asserts a variable does not start with a value.
*/
class NotStartsWithOperator extends ConditionOperator {
id = OP_NOT_STARTS_WITH;
caption = "not starts with";
/**
* @inheritdoc
*/
test(variable, value) {
return !variable.startsWith(value);
}
}
/**
* Asserts a variable ends with a value.
*/
class EndsWithOperator extends ConditionOperator {
id = OP_ENDS_WITH;
caption = "ends with";
/**
* @inheritdoc
*/
test(variable, value) {
return variable.endsWith(value);
}
}
/**
* Asserts a variable does not end with a value.
*/
class NotEndsWithOperator extends ConditionOperator {
id = OP_NOT_ENDS_WITH;
caption = "not ends with";
/**
* @inheritdoc
*/
test(variable, value) {
return !variable.endsWith(value);
}
}
/**
* Asserts a numeric variable is equal to a value.
*/
class NumberEqualsOperator extends ConditionOperator {
id = OP_NUM_EQUALS;
caption = "equals";
/**
* @inheritdoc
*/
test(variable, value) {
return variable === Number(value);
}
}
/**
* Asserts a numeric variable is not equal to a value.
*/
class NumberNotEqualsOperator extends ConditionOperator {
id = OP_NUM_NOT_EQUALS;
caption = "not equals";
/**
* @inheritdoc
*/
test(variable, value) {
return variable !== Number(value);
}
}
/**
* Asserts a variable is less than a value.
*/
class LessThanOperator extends ConditionOperator {
id = OP_LT;
caption = "less than";
/**
* @inheritdoc
*/
test(variable, value) {
return variable < Number(value);
}
}
/**
* Asserts a variable is greater than a value.
*/
class GreaterThanOperator extends ConditionOperator {
id = OP_GT;
caption = "greater than";
/**
* @inheritdoc
*/
test(variable, value) {
return variable > Number(value);
}
}
/**
* Asserts a variable is less than or equal to a value.
*/
class LessThanOrEqualToOperator extends ConditionOperator {
id = OP_LTE;
caption = "less than or equal to";
/**
* @inheritdoc
*/
test(variable, value) {
return variable <= Number(value);
}
}
/**
* Asserts a variable is greater than or equal to a value.
*/
class GreaterThanOrEqualToOperator extends ConditionOperator {
id = OP_GTE;
caption = "greater than or equal to";
/**
* @inheritdoc
*/
test(variable, value) {
return variable >= Number(value);
}
}
const operatorMap = new Map([
[ OP_STR_EQUALS, new StringEqualsOperator ],
[ OP_STR_NOT_EQUALS, new StringNotEqualsOperator ],
[ OP_CONTAINS, new ContainsOperator ],
[ OP_NOT_CONTAINS, new NotContainsOperator ],
[ OP_STARTS_WITH, new StartsWithOperator ],
[ OP_NOT_STARTS_WITH, new NotStartsWithOperator ],
[ OP_ENDS_WITH, new EndsWithOperator ],
[ OP_NOT_ENDS_WITH, new NotEndsWithOperator ],
[ OP_NUM_EQUALS, new NumberEqualsOperator ],
[ OP_NUM_NOT_EQUALS, new NumberNotEqualsOperator ],
[ OP_LT, new LessThanOperator ],
[ OP_GT, new GreaterThanOperator ],
[ OP_LTE, new LessThanOrEqualToOperator ],
[ OP_GTE, new GreaterThanOrEqualToOperator ],
]);
const defaultStringOperators = [
operatorMap.get(OP_STR_EQUALS),
operatorMap.get(OP_STR_NOT_EQUALS),
operatorMap.get(OP_CONTAINS),
operatorMap.get(OP_NOT_CONTAINS),
operatorMap.get(OP_STARTS_WITH),
operatorMap.get(OP_NOT_STARTS_WITH),
operatorMap.get(OP_ENDS_WITH),
operatorMap.get(OP_NOT_ENDS_WITH)
];
const defaultNumberOperators = [
operatorMap.get(OP_NUM_EQUALS),
operatorMap.get(OP_NUM_NOT_EQUALS),
operatorMap.get(OP_LT),
operatorMap.get(OP_GT),
operatorMap.get(OP_LTE),
operatorMap.get(OP_GTE)
];
module.exports = {
OP_STR_EQUALS,
OP_STR_NOT_EQUALS,
OP_CONTAINS,
OP_NOT_CONTAINS,
OP_STARTS_WITH,
OP_NOT_STARTS_WITH,
OP_ENDS_WITH,
OP_NOT_ENDS_WITH,
OP_NUM_EQUALS,
OP_NUM_NOT_EQUALS,
OP_LT,
OP_GT,
OP_LTE,
OP_GTE,
operatorMap,
defaultStringOperators,
defaultNumberOperators,
ConditionOperator,
};
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