107 lines
3.3 KiB
JavaScript
107 lines
3.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.dumpClassLists = dumpClassLists;
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var htmlClassList = {};
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var docBodyClassList = {};
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function dumpClassLists() {
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if (process.env.NODE_ENV !== "production") {
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var classes = document.getElementsByTagName("html")[0].className;
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var buffer = "Show tracked classes:\n\n";
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buffer += "<html /> (" + classes + "):\n";
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for (var x in htmlClassList) {
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buffer += " " + x + " " + htmlClassList[x] + "\n";
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}
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classes = document.body.className;
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// eslint-disable-next-line max-len
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buffer += "\n\ndoc.body (" + classes + "):\n";
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for (var _x in docBodyClassList) {
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buffer += " " + _x + " " + docBodyClassList[_x] + "\n";
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}
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buffer += "\n";
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// eslint-disable-next-line no-console
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console.log(buffer);
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}
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}
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/**
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* Track the number of reference of a class.
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* @param {object} poll The poll to receive the reference.
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* @param {string} className The class name.
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* @return {string}
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*/
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var incrementReference = function incrementReference(poll, className) {
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if (!poll[className]) {
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poll[className] = 0;
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}
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poll[className] += 1;
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return className;
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};
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/**
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* Drop the reference of a class.
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* @param {object} poll The poll to receive the reference.
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* @param {string} className The class name.
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* @return {string}
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*/
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var decrementReference = function decrementReference(poll, className) {
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if (poll[className]) {
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poll[className] -= 1;
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}
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return className;
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};
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/**
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* Track a class and add to the given class list.
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* @param {Object} classListRef A class list of an element.
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* @param {Object} poll The poll to be used.
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* @param {Array} classes The list of classes to be tracked.
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*/
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var trackClass = function trackClass(classListRef, poll, classes) {
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classes.forEach(function (className) {
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incrementReference(poll, className);
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classListRef.add(className);
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});
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};
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/**
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* Untrack a class and remove from the given class list if the reference
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* reaches 0.
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* @param {Object} classListRef A class list of an element.
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* @param {Object} poll The poll to be used.
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* @param {Array} classes The list of classes to be untracked.
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*/
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var untrackClass = function untrackClass(classListRef, poll, classes) {
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classes.forEach(function (className) {
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decrementReference(poll, className);
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poll[className] === 0 && classListRef.remove(className);
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});
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};
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/**
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* Public inferface to add classes to the document.body.
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* @param {string} bodyClass The class string to be added.
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* It may contain more then one class
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* with ' ' as separator.
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*/
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var add = exports.add = function add(element, classString) {
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return trackClass(element.classList, element.nodeName.toLowerCase() == "html" ? htmlClassList : docBodyClassList, classString.split(" "));
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};
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/**
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* Public inferface to remove classes from the document.body.
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* @param {string} bodyClass The class string to be added.
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* It may contain more then one class
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* with ' ' as separator.
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*/
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var remove = exports.remove = function remove(element, classString) {
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return untrackClass(element.classList, element.nodeName.toLowerCase() == "html" ? htmlClassList : docBodyClassList, classString.split(" "));
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}; |