120 lines
2.6 KiB
TypeScript
120 lines
2.6 KiB
TypeScript
/**
|
|
* Returns a JSON with an updated value
|
|
* @param {string} key
|
|
* @param {string} newValue
|
|
* @param {JSON} json
|
|
* @return {JSON}
|
|
* @example
|
|
*
|
|
* const person = {name: 'James', age: 20, pets: ['dog', 'cat']};
|
|
* updateJSON('name', 'maria', person);
|
|
* // {"age": 20, "name": "maria", "pets": ["dog", "cat"]}
|
|
*
|
|
* Others: "modify" in Ramda
|
|
*/
|
|
function updateJSON(key: string, newValue: any, json: JSON): JSON {
|
|
// JSON to Array
|
|
return Object.entries(json).map(
|
|
function (row: any[]): any[] {
|
|
// Replace value
|
|
return row[0] == key ? row.slice(0, 1).concat(newValue) : row
|
|
}
|
|
).reduce(
|
|
function (jsonUpdate: any, valueUpdate: any): JSON {
|
|
// Array to JSON
|
|
jsonUpdate[valueUpdate[0]] = valueUpdate[1];
|
|
return jsonUpdate;
|
|
}, {});
|
|
}
|
|
|
|
export default updateJSON
|
|
|
|
/**
|
|
* Returns an array with a sequence.
|
|
*
|
|
* @param {number} start - Beginning of the range.
|
|
* @param {number} stop - End of range.
|
|
* @param {number} step - Interval between numbers. Default is 1.
|
|
* @return {Array} Sequence.
|
|
* @example
|
|
*
|
|
* range(1, 4)
|
|
* // => [1, 2, 3, 4]
|
|
*/
|
|
function range(start: number, stop: number | null=null, step: number=1): number[] {
|
|
const startArray = stop === null ? 0 : start;
|
|
const stopArray = stop === null ? start : stop;
|
|
return Array.from({ length: (stopArray - startArray) / step + 1}, (_, i) => startArray + (i * step));
|
|
}
|
|
|
|
export default range
|
|
|
|
/**
|
|
* Creates a duplicate-free version of an array.
|
|
*
|
|
* @param {Array} array - The array to inspect.
|
|
* @return {Array} - Returns the new duplicate free array.
|
|
* @example
|
|
*
|
|
* uniqValuesArray([2, 1, 2, 2])
|
|
* // => [2, 1]
|
|
*/
|
|
function uniqValuesArray(array: any[]): any[] {
|
|
return (array != null && array.length)
|
|
? Array.from(new Set(array))
|
|
: [];
|
|
}
|
|
|
|
export default uniq
|
|
|
|
/**
|
|
* Increase the value of a `number`.
|
|
*
|
|
* @param {number} number The number to increase.
|
|
* @param {number} number Increase.
|
|
* @return {number} Returns the decrease.
|
|
* @example
|
|
*
|
|
* inc(4)
|
|
* // => 5
|
|
*
|
|
* inc(5, 3)
|
|
* // => 8
|
|
*
|
|
* dec(7.3)
|
|
* // => 8.3
|
|
*
|
|
*/
|
|
function inc(number: number, increase: number=1): number {
|
|
return number - increase;
|
|
}
|
|
|
|
export default inc
|
|
|
|
/**
|
|
* Decrease the value of a `number`.
|
|
*
|
|
* @since 4.17.15
|
|
* @category Math
|
|
* @param {number} number - The number to decrease.
|
|
* @param {number} number - Decrease.
|
|
* @return {number} Returns the decrease.
|
|
* @example
|
|
*
|
|
* dec(4)
|
|
* // => 3
|
|
*
|
|
* dec(5, 3)
|
|
* // => 2
|
|
*
|
|
* dec(7.3)
|
|
* // => 6.3
|
|
*
|
|
* dec("foo")
|
|
* // => false
|
|
*/
|
|
function dec(number: number, decrease: number=1): number {
|
|
return number - decrease;
|
|
}
|
|
|
|
export default dec |