zhao/hexo-filter-github-emojis
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refactor: inject style to head

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This commit is contained in:
crimx 2020-10-03 13:28:34 +08:00
parent 015d80b2e8
commit 08fce7a271
1 changed files with 25 additions and 36 deletions
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61
index.js
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@ -21,44 +21,33 @@ const emojis = Object.assign(
loadCustomEmojis(options.customEmojis || options.localEmojis)
);
hexo.extend.helper.register("github_emoji", (name) =>
renderEmoji(emojis, name)
);
hexo.extend.helper.register("github_emoji", (name) => renderEmoji(name));
hexo.extend.tag.register("github_emoji", (args) => renderEmoji(args[0]));
hexo.extend.tag.register("github_emoji", (args) =>
renderEmoji(emojis, args[0])
);
if (options.inject !== false) {
hexo.extend.filter.register("after_render:html", (str) =>
str.replace("</head>", `\n<style>${getEmojiStyles()}</style>\n</head>`)
);
}
hexo.extend.filter.register("after_post_render", (data) => {
if (!options.enable || data["no-emoji"]) {
if (options.inject !== false) {
data.content = `<style>${getEmojiStyles()}</style>` + data.content;
if (options.enable) {
hexo.extend.filter.register("after_post_render", (data) => {
if (!data["no-emoji"]) {
const $content = new JSDOM(data.content);
const $excerpt = new JSDOM(data.excerpt);
replaceColons($content.window.document.body);
replaceColons($excerpt.window.document.body);
data.content = $content.window.document.body.innerHTML;
data.excerpt = $excerpt.window.document.body.innerHTML;
}
return data;
}
});
}
const $content = new JSDOM(data.content);
const $excerpt = new JSDOM(data.excerpt);
replaceColons($content.window.document.body, emojis);
replaceColons($excerpt.window.document.body, emojis);
if (options.inject !== false) {
const style = $content.window.document.createElement("style");
style.innerHTML = getEmojiStyles();
$content.window.document.body.insertBefore(
style,
$content.window.document.body.firstElementChild
);
}
data.content = $content.window.document.body.innerHTML;
data.excerpt = $excerpt.window.document.body.innerHTML;
return data;
});
function replaceColons(node, emojis) {
function replaceColons(node) {
if (!node || !node.childNodes) {
return;
}
@ -69,13 +58,13 @@ function replaceColons(node, emojis) {
}
if (child.nodeType === 3) {
const content = child.data.replace(/:(\w+):/gi, (match, p1) =>
emojis[p1] ? renderEmoji(emojis, p1) : match
emojis[p1] ? renderEmoji(p1) : match
);
if (content !== child.data) {
child.replaceWith(JSDOM.fragment(content));
}
} else {
replaceColons(child, emojis);
replaceColons(child);
}
}
}
@ -117,7 +106,7 @@ function loadCustomEmojis(customEmojis) {
}, {});
}
function renderEmoji(emojis, name) {
function renderEmoji(name) {
if (!emojis[name]) return name;
const styles = _.isObject(options.styles)