"use strict";
// @flow
/* These are helpers for the StyleTags to keep track of the injected
 * rule names for each (component) ID that they're keeping track of.
 * They're crucial for detecting whether a name has already been
 * injected.
 * (This excludes rehydrated names) */
Object.defineProperty(exports, "__esModule", { value: true });
/* adds a new ID:name pairing to a names dictionary */
exports.addNameForId = (names, id, name) => {
    if (name) {
        // eslint-disable-next-line no-param-reassign
        const namesForId = names[id] || (names[id] = Object.create(null));
        namesForId[name] = true;
    }
};
/* resets an ID entirely by overwriting it in the dictionary */
exports.resetIdNames = (names, id) => {
    // eslint-disable-next-line no-param-reassign
    names[id] = Object.create(null);
};
/* factory for a names dictionary checking the existance of an ID:name pairing */
exports.hasNameForId = (names) => (id, name) => names[id] !== undefined && names[id][name];
/* stringifies names for the html/element output */
exports.stringifyNames = (names) => {
    let str = '';
    // eslint-disable-next-line guard-for-in
    for (const id in names) {
        str += `${Object.keys(names[id]).join(' ')} `;
    }
    return str.trim();
};
/* clones the nested names dictionary */
exports.cloneNames = (names) => {
    const clone = Object.create(null);
    // eslint-disable-next-line guard-for-in
    for (const id in names) {
        clone[id] = Object.assign({}, names[id]);
    }
    return clone;
};
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