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htmlDecode.ts
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htmlDecode.ts
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/*
* Copyright 2021 LABOR.digital
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Last modified: 2021.01.21 at 19:29
*/
const translationPattern = /&(nbsp|amp|shy|quot|lt|gt|apos|euro|pound|cent|copy);/g;
const translationMap = {
nbsp: ' ',
shy: '',
amp: '&',
quot: '"',
lt: '<',
gt: '>',
apos: '\'',
euro: '€',
pound: '£',
cent: '¢',
copy: '©'
};
/**
* Does the opposite of htmlEncode, and converts all html special characters into their real value.
* NOTE: Not all named references are supported! Please use another library like html-entities
* if you need more characters
*
* @param code
*/
export function htmlDecode(code: string): string
{
return code.replace(translationPattern, function (_, value) {
return translationMap[value];
}).replace(/&#(\d+);/gi, function (_, number) {
return String.fromCharCode(parseInt(number, 10));
});
}