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26 lines
689 B
26 lines
689 B
'use strict' |
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var fromCharCode = require('../constant/from-char-code.js') |
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function safeFromInt(value, base) { |
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var code = parseInt(value, base) |
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if ( |
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// C0 except for HT, LF, FF, CR, space |
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code < 9 || |
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code === 11 || |
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(code > 13 && code < 32) || // Control character (DEL) of the basic block and C1 controls. |
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(code > 126 && code < 160) || // Lone high surrogates and low surrogates. |
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(code > 55295 && code < 57344) || // Noncharacters. |
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(code > 64975 && code < 65008) || |
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(code & 65535) === 65535 || |
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(code & 65535) === 65534 || // Out of range |
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code > 1114111 |
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) { |
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return '\uFFFD' |
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} |
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return fromCharCode(code) |
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} |
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module.exports = safeFromInt
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