58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
'use strict'
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/* global hexo */
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var _ = require('lodash')
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var options = _.assign({
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enable: true,
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className: 'github-emoji'
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}, hexo.config.githubEmojis)
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if (options.enable !== false) {
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var request = require('request')
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var randomUa = require('random-ua')
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// fallback
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var fallbackEmojis = require('./emojis.json')
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var localEmojis = options.localEmojis
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if (_.isString(localEmojis)) {
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try {
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localEmojis = JSON.parse(localEmojis)
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} catch (SyntaxError) {
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localEmojis = {}
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throw new Error('filter-github-emojis: local emojis parsing error')
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}
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}
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var githubEmojis = _.assign(fallbackEmojis, localEmojis)
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// get the lastest github version
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request({
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url: 'https://api.github.com/emojis',
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headers: {
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'User-Agent': randomUa.generate()
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},
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json: true
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}, function (error, response, body) {
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if (!error && response.statusCode === 200) {
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if (_.isObject(body)) {
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githubEmojis = _.assign(fallbackEmojis, body, localEmojis)
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}
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}
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})
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hexo.extend.filter.register('before_post_render', function (data) {
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data.content = data.content.replace(/:(\w+):/ig, function (match, p1) {
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if (githubEmojis[p1]) {
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return '<img class="' + options.className +
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'" title="' + match + '" alt="' + match + '" src="' +
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githubEmojis[p1] + '" height="20" width="20" />'
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} else {
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return match
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}
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})
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return data
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})
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}
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