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@ucast/js

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@ucast/js

git@github.com:stalniy/ucast.git

  • 3.0.4
  • latest
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decreased by-8.17%
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What is @ucast/js?

@ucast/js is a JavaScript library for defining and evaluating conditions or rules. It is particularly useful for implementing access control, filtering data, and other scenarios where you need to evaluate conditions dynamically.

What are @ucast/js's main functionalities?

Define Conditions

This feature allows you to define conditions using a simple syntax. In this example, a condition is created to check if the 'age' field is greater than or equal to 18.

const { createCondition } = require('@ucast/js');

const condition = createCondition({
  field: 'age',
  operator: 'gte',
  value: 18
});

console.log(condition);

Evaluate Conditions

This feature allows you to evaluate conditions against data. In this example, the condition checks if the 'age' field in the data object is greater than or equal to 18, which returns true.

const { createCondition, evaluate } = require('@ucast/js');

const condition = createCondition({
  field: 'age',
  operator: 'gte',
  value: 18
});

const data = { age: 20 };
const result = evaluate(condition, data);

console.log(result); // true

Combine Conditions

This feature allows you to combine multiple conditions using logical operators like 'and' or 'or'. In this example, two conditions are combined to check if 'age' is greater than or equal to 18 and 'status' is 'active'.

const { createCondition, combineConditions, evaluate } = require('@ucast/js');

const condition1 = createCondition({
  field: 'age',
  operator: 'gte',
  value: 18
});

const condition2 = createCondition({
  field: 'status',
  operator: 'eq',
  value: 'active'
});

const combinedCondition = combineConditions('and', [condition1, condition2]);

const data = { age: 20, status: 'active' };
const result = evaluate(combinedCondition, data);

console.log(result); // true

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Package last updated on 31 Jan 2024

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