25 lines
752 B
JavaScript
25 lines
752 B
JavaScript
class EmojiDecoder {
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emojiMap = null;
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url = "";
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patterns = [];
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metaChars = /[[\]{}()*+?.\\|^$\-,&#\s]/g;
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decode = this.decode;
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constructor(url,emojiMap) {
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this.url = url || '';
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this.emojiMap = emojiMap || {};
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for (let i in this.emojiMap) {
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if (this.emojiMap.hasOwnProperty(i)){
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this.patterns.push('('+i.replace(this.metaChars, "\\$&")+')');
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}
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}
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}
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decode (text) {
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return text.replace(new RegExp(this.patterns.join('|'),'g'), (match) => {
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return typeof this.emojiMap[match] != 'undefined' ? '<img height="20rpx" width="20rpx" src="'+this.url+this.emojiMap[match]+'" />' : match;
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});
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}
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}
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export default EmojiDecoder |