planning

node_modules/micromark/dist/tokenize/code-indented.js

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+'use strict'
+
+var markdownLineEnding = require('../character/markdown-line-ending.js')
+var chunkedSplice = require('../util/chunked-splice.js')
+var prefixSize = require('../util/prefix-size.js')
+var factorySpace = require('./factory-space.js')
+
+var codeIndented = {
+  name: 'codeIndented',
+  tokenize: tokenizeCodeIndented,
+  resolve: resolveCodeIndented
+}
+var indentedContentConstruct = {
+  tokenize: tokenizeIndentedContent,
+  partial: true
+}
+
+function resolveCodeIndented(events, context) {
+  var code = {
+    type: 'codeIndented',
+    start: events[0][1].start,
+    end: events[events.length - 1][1].end
+  }
+  chunkedSplice(events, 0, 0, [['enter', code, context]])
+  chunkedSplice(events, events.length, 0, [['exit', code, context]])
+  return events
+}
+
+function tokenizeCodeIndented(effects, ok, nok) {
+  return effects.attempt(indentedContentConstruct, afterPrefix, nok)
+
+  function afterPrefix(code) {
+    if (code === null) {
+      return ok(code)
+    }
+
+    if (markdownLineEnding(code)) {
+      return effects.attempt(indentedContentConstruct, afterPrefix, ok)(code)
+    }
+
+    effects.enter('codeFlowValue')
+    return content(code)
+  }
+
+  function content(code) {
+    if (code === null || markdownLineEnding(code)) {
+      effects.exit('codeFlowValue')
+      return afterPrefix(code)
+    }
+
+    effects.consume(code)
+    return content
+  }
+}
+
+function tokenizeIndentedContent(effects, ok, nok) {
+  var self = this
+  return factorySpace(effects, afterPrefix, 'linePrefix', 4 + 1)
+
+  function afterPrefix(code) {
+    if (markdownLineEnding(code)) {
+      effects.enter('lineEnding')
+      effects.consume(code)
+      effects.exit('lineEnding')
+      return factorySpace(effects, afterPrefix, 'linePrefix', 4 + 1)
+    }
+
+    return prefixSize(self.events, 'linePrefix') < 4 ? nok(code) : ok(code)
+  }
+}
+
+module.exports = codeIndented