33 lines
747 B
JavaScript
33 lines
747 B
JavaScript
import {asciiAlpha, asciiAlphanumeric} from 'micromark-util-character'
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import {codes} from 'micromark-util-symbol/codes.js'
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export function factoryName(effects, ok, nok, nameType) {
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const self = this
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return start
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function start(code) {
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if (asciiAlpha(code)) {
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effects.enter(nameType)
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effects.consume(code)
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return name
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}
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return nok(code)
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}
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function name(code) {
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if (
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code === codes.dash ||
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code === codes.underscore ||
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asciiAlphanumeric(code)
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) {
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effects.consume(code)
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return name
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}
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effects.exit(nameType)
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// To do next major: disallow `-` at end of name too, for consistency.
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return self.previous === codes.underscore ? nok(code) : ok(code)
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}
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}
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