blank project

node_modules/micromark-core-commonmark/dev/lib/blank-line.js

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+/**
+ * @import {
+ *   Construct,
+ *   State,
+ *   TokenizeContext,
+ *   Tokenizer
+ * } from 'micromark-util-types'
+ */
+
+import {factorySpace} from 'micromark-factory-space'
+import {markdownLineEnding, markdownSpace} from 'micromark-util-character'
+import {codes, types} from 'micromark-util-symbol'
+
+/** @type {Construct} */
+export const blankLine = {partial: true, tokenize: tokenizeBlankLine}
+
+/**
+ * @this {TokenizeContext}
+ *   Context.
+ * @type {Tokenizer}
+ */
+function tokenizeBlankLine(effects, ok, nok) {
+  return start
+
+  /**
+   * Start of blank line.
+   *
+   * > 👉 **Note**: `␠` represents a space character.
+   *
+   * ```markdown
+   * > | ␠␠␊
+   *     ^
+   * > | ␊
+   *     ^
+   * ```
+   *
+   * @type {State}
+   */
+  function start(code) {
+    return markdownSpace(code)
+      ? factorySpace(effects, after, types.linePrefix)(code)
+      : after(code)
+  }
+
+  /**
+   * At eof/eol, after optional whitespace.
+   *
+   * > 👉 **Note**: `␠` represents a space character.
+   *
+   * ```markdown
+   * > | ␠␠␊
+   *       ^
+   * > | ␊
+   *     ^
+   * ```
+   *
+   * @type {State}
+   */
+  function after(code) {
+    return code === codes.eof || markdownLineEnding(code) ? ok(code) : nok(code)
+  }
+}