@mittwald/kubernetes/label.js

Kubernetes client library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseLabelSelector = exports.selectorToQueryString = exports.selectorToString = void 0;
function selectorToString(selector, separator = ";") {
    const parts = Object.entries(selector).map(([label, value]) => {
        if (typeof value === "string") {
            return label + "=" + value;
        }
        return label + " " + value.operator + " (" + value.values.join(",") + ")";
    });
    return parts.join(separator);
}
exports.selectorToString = selectorToString;
const selectorToQueryString = (selector) => selectorToString(selector, ",");
exports.selectorToQueryString = selectorToQueryString;
const setBasedSelectorRegex = new RegExp("([^() ]*) +(in|notin) +\\((.*)\\)", "i");
/**
 * Parse a Label Selector string to a Selector Object.
 * Label Selectors are described in the [Kubernetes documentation](https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors).
 *
 * Uses `;` as a separator for multiple expressions in the string.
 */
function parseLabelSelector(input) {
    const selector = {};
    for (const item of input.split(";")) {
        const regexResult = setBasedSelectorRegex.exec(item);
        if (regexResult !== null) {
            selector[regexResult[1]] = {
                operator: regexResult[2],
                values: regexResult[3].split(",").map((v) => v.trim()),
            };
        }
        else {
            const [key, operator, ...values] = item.split(/(=|!=|==)/);
            const trimmedValues = values.map((v) => v.trim());
            selector[key.trim()] =
                operator === "="
                    ? trimmedValues.join("")
                    : { operator: operator, values: trimmedValues };
        }
    }
    return selector;
}
exports.parseLabelSelector = parseLabelSelector;
//# sourceMappingURL=label.js.map