163 lines
3.0 KiB
JavaScript
163 lines
3.0 KiB
JavaScript
/**
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* @import {
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* Construct,
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* Exiter,
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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 {factorySpace} from 'micromark-factory-space'
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import {markdownSpace} from 'micromark-util-character'
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import {codes, constants, types} from 'micromark-util-symbol'
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/** @type {Construct} */
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export const blockQuote = {
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continuation: {tokenize: tokenizeBlockQuoteContinuation},
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exit,
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name: 'blockQuote',
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tokenize: tokenizeBlockQuoteStart
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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 tokenizeBlockQuoteStart(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 block quote.
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*
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* ```markdown
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* > | > a
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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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if (code === codes.greaterThan) {
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const state = self.containerState
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assert(state, 'expected `containerState` to be defined in container')
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if (!state.open) {
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effects.enter(types.blockQuote, {_container: true})
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state.open = true
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}
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effects.enter(types.blockQuotePrefix)
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effects.enter(types.blockQuoteMarker)
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effects.consume(code)
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effects.exit(types.blockQuoteMarker)
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return after
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}
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return nok(code)
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}
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/**
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* After `>`, before optional whitespace.
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*
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* ```markdown
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* > | > a
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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 after(code) {
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if (markdownSpace(code)) {
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effects.enter(types.blockQuotePrefixWhitespace)
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effects.consume(code)
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effects.exit(types.blockQuotePrefixWhitespace)
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effects.exit(types.blockQuotePrefix)
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return ok
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}
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effects.exit(types.blockQuotePrefix)
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return ok(code)
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}
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}
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/**
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* Start of block quote continuation.
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*
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* ```markdown
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* | > a
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* > | > b
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* ^
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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 tokenizeBlockQuoteContinuation(effects, ok, nok) {
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const self = this
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return contStart
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/**
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* Start of block quote continuation.
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*
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* Also used to parse the first block quote opening.
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*
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* ```markdown
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* | > a
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* > | > b
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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 contStart(code) {
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if (markdownSpace(code)) {
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// Always populated by defaults.
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assert(
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self.parser.constructs.disable.null,
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'expected `disable.null` to be populated'
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)
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return factorySpace(
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effects,
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contBefore,
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types.linePrefix,
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self.parser.constructs.disable.null.includes('codeIndented')
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? undefined
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: constants.tabSize
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)(code)
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}
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return contBefore(code)
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}
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/**
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* At `>`, after optional whitespace.
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*
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* Also used to parse the first block quote opening.
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*
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* ```markdown
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* | > a
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* > | > b
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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 contBefore(code) {
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return effects.attempt(blockQuote, ok, nok)(code)
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}
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}
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/** @type {Exiter} */
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function exit(effects) {
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effects.exit(types.blockQuote)
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}
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