xfy
bace31933f
the lightbox + IntersectionObserver lazy-load now live in lightbox.js; post-content.js is reduced to just the code-block copy button.
49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
(function () {
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"use strict";
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function initCopyButtons(root) {
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var blocks = root.querySelectorAll("pre > code");
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for (var i = 0; i < blocks.length; i++) {
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var code = blocks[i];
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var pre = code.parentElement;
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if (!pre) continue;
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if (pre.querySelector(".copy-code")) continue;
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var btn = document.createElement("button");
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btn.className = "copy-code";
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btn.textContent = "copy";
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btn.setAttribute("aria-label", "Copy code");
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(function (codeText) {
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btn.addEventListener("click", function () {
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var self = this;
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if (navigator.clipboard && navigator.clipboard.writeText) {
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navigator.clipboard.writeText(codeText);
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} else {
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var ta = document.createElement("textarea");
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ta.value = codeText;
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ta.style.position = "fixed";
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ta.style.opacity = "0";
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document.body.appendChild(ta);
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ta.select();
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document.execCommand("copy");
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document.body.removeChild(ta);
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}
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self.textContent = "copied!";
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setTimeout(function () {
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self.textContent = "copy";
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}, 2000);
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});
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})(code.textContent || "");
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pre.appendChild(btn);
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}
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}
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window.__initPostContent = function (selector) {
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var root = document.querySelector(selector);
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if (!root) return;
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initCopyButtons(root);
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};
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})();
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