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35 lines
885 B
35 lines
885 B
const unicode = require('../lib/unicode') |
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module.exports = { |
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isSpaceSeparator (c) { |
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return typeof c === 'string' && unicode.Space_Separator.test(c) |
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}, |
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isIdStartChar (c) { |
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return typeof c === 'string' && ( |
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(c >= 'a' && c <= 'z') || |
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(c >= 'A' && c <= 'Z') || |
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(c === '$') || (c === '_') || |
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unicode.ID_Start.test(c) |
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) |
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}, |
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isIdContinueChar (c) { |
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return typeof c === 'string' && ( |
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(c >= 'a' && c <= 'z') || |
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(c >= 'A' && c <= 'Z') || |
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(c >= '0' && c <= '9') || |
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(c === '$') || (c === '_') || |
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(c === '\u200C') || (c === '\u200D') || |
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unicode.ID_Continue.test(c) |
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) |
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}, |
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isDigit (c) { |
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return typeof c === 'string' && /[0-9]/.test(c) |
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}, |
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isHexDigit (c) { |
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return typeof c === 'string' && /[0-9A-Fa-f]/.test(c) |
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}, |
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}
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