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66 lines
1.1 KiB
Plaintext
66 lines
1.1 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 {markdownLineEnding} from 'micromark-util-character'
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import {codes, types} from 'micromark-util-symbol'
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/** @type {Construct} */
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export const hardBreakEscape = {
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name: 'hardBreakEscape',
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tokenize: tokenizeHardBreakEscape
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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 tokenizeHardBreakEscape(effects, ok, nok) {
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return start
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/**
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* Start of a hard break (escape).
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*
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* ```markdown
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* > | a\
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* ^
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* | b
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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.backslash, 'expected `\\`')
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effects.enter(types.hardBreakEscape)
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effects.consume(code)
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return after
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}
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/**
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* After `\`, at eol.
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*
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* ```markdown
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* > | a\
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* ^
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* | b
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* ```
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*
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* @type {State}
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*/
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function after(code) {
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if (markdownLineEnding(code)) {
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effects.exit(types.hardBreakEscape)
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return ok(code)
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}
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return nok(code)
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}
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}
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