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59 lines
1.5 KiB
59 lines
1.5 KiB
"use strict";
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/* istanbul ignore next */
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var replaceText = function replaceText() {
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var textStore = [];
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return function replace(index, replacement) {
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textStore[index] = replacement;
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return textStore.filter(Boolean).join("\n");
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};
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}();
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/* istanbul ignore next */
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function apply(style, index, remove, obj) {
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var css = remove ? "" : obj.media ? "@media ".concat(obj.media, " {").concat(obj.css, "}") : obj.css; // For old IE
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/* istanbul ignore if */
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if (style.styleSheet) {
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style.styleSheet.cssText = replaceText(index, css);
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} else {
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var cssNode = document.createTextNode(css);
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var childNodes = style.childNodes;
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if (childNodes[index]) {
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style.removeChild(childNodes[index]);
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}
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if (childNodes.length) {
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style.insertBefore(cssNode, childNodes[index]);
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} else {
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style.appendChild(cssNode);
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}
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}
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}
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var singletonData = {
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singleton: null,
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singletonCounter: 0
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};
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/* istanbul ignore next */
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function domAPI(options) {
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// eslint-disable-next-line no-undef,no-use-before-define
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var styleIndex = singletonData.singletonCounter++;
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var style = // eslint-disable-next-line no-undef,no-use-before-define
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singletonData.singleton || ( // eslint-disable-next-line no-undef,no-use-before-define
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singletonData.singleton = options.insertStyleElement(options));
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return {
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update: function update(obj) {
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apply(style, styleIndex, false, obj);
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},
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remove: function remove(obj) {
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apply(style, styleIndex, true, obj);
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}
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};
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}
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module.exports = domAPI;
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