pip-services3-commons-node
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Portable abstractions and patterns for Pip.Services in Node.js
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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/** @module convert */
/** @hidden */
var _ = require('lodash');
/**
* Converts arbitrary values into array objects.
*
* ### Example ###
*
* let value1 = ArrayConverter.toArray([1, 2]); // Result: [1, 2]
* let value2 = ArrayConverter.toArray(1); // Result: [1]
* let value2 = ArrayConverter.listToArray("1,2,3"); // Result: ["1", "2", "3"]
*/
var ArrayConverter = /** @class */ (function () {
function ArrayConverter() {
}
/**
* Converts value into array object.
* Single values are converted into arrays with a single element.
*
* @param value the value to convert.
* @returns array object or null when value is null.
*/
ArrayConverter.toNullableArray = function (value) {
// Return null when nothing found
if (value == null)
return null;
// Convert list
if (_.isArray(value))
return value;
// Convert map
else if (_.isObject(value)) {
var array = [];
for (var prop in value)
array.push(value[prop]);
return array;
}
// Convert single values
else
return [value];
};
/**
* Converts value into array object with empty array as default.
* Single values are converted into arrays with single element.
*
* @param value the value to convert.
* @returns array object or empty array when value is null.
*
* @see [[toNullableArray]]
*/
ArrayConverter.toArray = function (value) {
var result = ArrayConverter.toNullableArray(value);
return result || [];
};
/**
* Converts value into array object with specified default.
* Single values are converted into arrays with single element.
*
* @param value the value to convert.
* @param defaultValue default array object.
* @returns array object or default array when value is null.
*
* @see [[toNullableArray]]
*/
ArrayConverter.toArrayWithDefault = function (value, defaultValue) {
var result = ArrayConverter.toNullableArray(value);
return result || defaultValue;
};
/**
* Converts value into array object with empty array as default.
* Strings with comma-delimited values are split into array of strings.
*
* @param value the list to convert.
* @returns array object or empty array when value is null
*
* @see [[toArray]]
*/
ArrayConverter.listToArray = function (value) {
if (value == null)
return [];
if (_.isString(value))
value = value.split(',');
return ArrayConverter.toArray(value);
};
return ArrayConverter;
}());
exports.ArrayConverter = ArrayConverter;
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