Last change
on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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File size:
885 bytes
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1 | const unicode = require('../lib/unicode')
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2 |
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3 | module.exports = {
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4 | isSpaceSeparator (c) {
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5 | return typeof c === 'string' && unicode.Space_Separator.test(c)
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6 | },
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7 |
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8 | isIdStartChar (c) {
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9 | return typeof c === 'string' && (
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10 | (c >= 'a' && c <= 'z') ||
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11 | (c >= 'A' && c <= 'Z') ||
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12 | (c === '$') || (c === '_') ||
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13 | unicode.ID_Start.test(c)
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14 | )
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15 | },
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16 |
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17 | isIdContinueChar (c) {
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18 | return typeof c === 'string' && (
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19 | (c >= 'a' && c <= 'z') ||
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20 | (c >= 'A' && c <= 'Z') ||
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21 | (c >= '0' && c <= '9') ||
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22 | (c === '$') || (c === '_') ||
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23 | (c === '\u200C') || (c === '\u200D') ||
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24 | unicode.ID_Continue.test(c)
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25 | )
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26 | },
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27 |
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28 | isDigit (c) {
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29 | return typeof c === 'string' && /[0-9]/.test(c)
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30 | },
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31 |
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32 | isHexDigit (c) {
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33 | return typeof c === 'string' && /[0-9A-Fa-f]/.test(c)
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34 | },
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35 | }
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