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32 lines
749 B
32 lines
749 B
2 years ago
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var each = require('./each');
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var ucs2 = require('./ucs2');
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var map = require('./map');
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var utf8 = require('./utf8');
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exports = function(str) {
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try {
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return decodeURIComponent(str);
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} catch (e) {
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var matches = str.match(regMatcher);
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if (!matches) {
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return str;
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}
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each(matches, function(match) {
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str = str.replace(match, decode(match));
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});
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return str;
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}
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};
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function decode(str) {
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str = str.split('%').slice(1);
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var bytes = map(str, hexToInt);
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str = ucs2.encode(bytes);
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str = utf8.decode(str, true);
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return str;
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}
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function hexToInt(numStr) {
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return +('0x' + numStr);
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}
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var regMatcher = /(%[a-f0-9]{2})+/gi;
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module.exports = exports;
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