96 lines
2.2 KiB
JavaScript
96 lines
2.2 KiB
JavaScript
/**
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* @typedef {import('micromark-util-types').InitialConstruct} InitialConstruct
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* @typedef {import('micromark-util-types').Initializer} Initializer
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* @typedef {import('micromark-util-types').State} State
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* @typedef {import('micromark-util-types').Token} Token
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* @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext
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*/
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import {factorySpace} from 'micromark-factory-space'
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import {markdownLineEnding} from 'micromark-util-character'
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import {codes, constants, types} from 'micromark-util-symbol'
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import {ok as assert} from 'devlop'
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/** @type {InitialConstruct} */
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export const content = {tokenize: initializeContent}
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/**
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* @this {TokenizeContext}
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* @type {Initializer}
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*/
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function initializeContent(effects) {
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const contentStart = effects.attempt(
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this.parser.constructs.contentInitial,
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afterContentStartConstruct,
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paragraphInitial
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)
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/** @type {Token} */
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let previous
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return contentStart
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/** @type {State} */
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function afterContentStartConstruct(code) {
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assert(
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code === codes.eof || markdownLineEnding(code),
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'expected eol or eof'
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)
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if (code === codes.eof) {
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effects.consume(code)
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return
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}
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effects.enter(types.lineEnding)
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effects.consume(code)
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effects.exit(types.lineEnding)
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return factorySpace(effects, contentStart, types.linePrefix)
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}
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/** @type {State} */
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function paragraphInitial(code) {
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assert(
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code !== codes.eof && !markdownLineEnding(code),
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'expected anything other than a line ending or EOF'
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)
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effects.enter(types.paragraph)
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return lineStart(code)
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}
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/** @type {State} */
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function lineStart(code) {
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const token = effects.enter(types.chunkText, {
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contentType: constants.contentTypeText,
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previous
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})
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if (previous) {
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previous.next = token
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}
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previous = token
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return data(code)
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}
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/** @type {State} */
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function data(code) {
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if (code === codes.eof) {
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effects.exit(types.chunkText)
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effects.exit(types.paragraph)
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effects.consume(code)
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return
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}
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if (markdownLineEnding(code)) {
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effects.consume(code)
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effects.exit(types.chunkText)
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return lineStart
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}
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// Data.
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effects.consume(code)
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return data
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}
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}
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