76 lines
2.2 KiB
JavaScript
76 lines
2.2 KiB
JavaScript
import { average as aAverage } from './array-extensions';
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import { ExpressionExtensionError } from '../errors/expression-extension.error';
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import { ExpressionError } from '../errors/expression.error';
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const min = Math.min;
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const max = Math.max;
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const numberList = (start, end) => {
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const size = Math.abs(start - end) + 1;
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const arr = new Array(size);
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let curr = start;
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for (let i = 0; i < size; i++) {
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if (start < end) {
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arr[i] = curr++;
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}
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else {
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arr[i] = curr--;
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}
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}
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return arr;
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};
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const zip = (keys, values) => {
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if (keys.length !== values.length) {
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throw new ExpressionExtensionError('keys and values not of equal length');
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}
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return keys.reduce((p, c, i) => {
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// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-explicit-any
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p[c] = values[i];
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return p;
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}, {});
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};
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const average = (...args) => {
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return aAverage(args);
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};
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const not = (value) => {
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return !value;
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};
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function ifEmpty(value, defaultValue) {
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if (arguments.length !== 2) {
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throw new ExpressionError('expected two arguments (value, defaultValue) for this function');
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}
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if (value === undefined || value === null || value === '') {
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return defaultValue;
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}
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if (typeof value === 'object') {
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if (Array.isArray(value) && !value.length) {
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return defaultValue;
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}
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if (!Object.keys(value).length) {
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return defaultValue;
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}
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}
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return value;
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}
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ifEmpty.doc = {
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name: 'ifEmpty',
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description: 'Returns the default value if the value is empty. Empty values are undefined, null, empty strings, arrays without elements and objects without keys.',
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returnType: 'any',
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args: [
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{ name: 'value', type: 'any' },
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{ name: 'defaultValue', type: 'any' },
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],
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docURL: 'https://docs.n8n.io/code/builtin/convenience',
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};
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export const extendedFunctions = {
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min,
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max,
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not,
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average,
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numberList,
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zip,
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$min: min,
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$max: max,
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$average: average,
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$not: not,
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$ifEmpty: ifEmpty,
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};
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//# sourceMappingURL=extended-functions.js.map
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