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63 lines
1.3 KiB
Plaintext
63 lines
1.3 KiB
Plaintext
/**
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* @import {
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* Construct,
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* State,
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* TokenizeContext,
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* Tokenizer
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* } from 'micromark-util-types'
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*/
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import {ok as assert} from 'devlop'
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import {codes, types} from 'micromark-util-symbol'
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import {labelEnd} from './label-end.js'
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/** @type {Construct} */
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export const labelStartLink = {
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name: 'labelStartLink',
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resolveAll: labelEnd.resolveAll,
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tokenize: tokenizeLabelStartLink
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}
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/**
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* @this {TokenizeContext}
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* Context.
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* @type {Tokenizer}
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*/
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function tokenizeLabelStartLink(effects, ok, nok) {
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const self = this
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return start
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/**
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* Start of label (link) start.
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*
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* ```markdown
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* > | a [b] c
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* ^
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* ```
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*
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* @type {State}
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*/
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function start(code) {
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assert(code === codes.leftSquareBracket, 'expected `[`')
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effects.enter(types.labelLink)
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effects.enter(types.labelMarker)
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effects.consume(code)
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effects.exit(types.labelMarker)
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effects.exit(types.labelLink)
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return after
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}
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/** @type {State} */
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function after(code) {
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// To do: this isn’t needed in `micromark-extension-gfm-footnote`,
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// remove.
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// Hidden footnotes hook.
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/* c8 ignore next 3 */
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return code === codes.caret &&
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'_hiddenFootnoteSupport' in self.parser.constructs
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? nok(code)
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: ok(code)
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}
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}
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