Move single use, not explicitly tested helpers into the file that uses them.

demo/markdownlint-browser.js

@@ -33,10 +33,6 @@ const inlineCommentStartRe =
   /(<!--\s*markdownlint-(disable|enable|capture|restore|disable-file|enable-file|disable-line|disable-next-line|configure-file))(?:\s|-->)/gi;
 module.exports.inlineCommentStartRe = inlineCommentStartRe;
 
-// Regular expression for link reference definitions
-const linkReferenceDefinitionRe = /^ {0,3}\[([^\]]*[^\\])\]:/;
-module.exports.linkReferenceDefinitionRe = linkReferenceDefinitionRe;
-
 // Regular expression for identifying an HTML entity at the end of a line
 module.exports.endOfLineHtmlEntityRe =
   /&(?:#\d+|#[xX][\da-fA-F]+|[a-zA-Z]{2,31}|blk\d{2}|emsp1[34]|frac\d{2}|sup\d|there4);$/;
@@ -234,38 +230,6 @@ module.exports.escapeForRegExp = function escapeForRegExp(str) {
   return str.replace(/[-/\\^$*+?.()|[\]{}]/g, "\\$&");
 };
 
-/**
- * Return the string representation of a fence markup character.
- *
- * @param {string} markup Fence string.
- * @returns {string} String representation.
- */
-module.exports.fencedCodeBlockStyleFor =
-  function fencedCodeBlockStyleFor(markup) {
-    switch (markup[0]) {
-      case "~":
-        return "tilde";
-      default:
-        return "backtick";
-    }
-  };
-
-/**
- * Return the string representation of a emphasis or strong markup character.
- *
- * @param {string} markup Emphasis or strong string.
- * @returns {"asterisk" | "underscore"} String representation.
- */
-module.exports.emphasisOrStrongStyleFor =
-  function emphasisOrStrongStyleFor(markup) {
-    switch (markup[0]) {
-      case "*":
-        return "asterisk";
-      default:
-        return "underscore";
-    }
-  };
-
 /**
  * Adds ellipsis to the left/right/middle of the specified text.
  *
@@ -388,13 +352,12 @@ const positionLessThanOrEqual = (lineA, columnA, lineB, columnB) => (
  * @param {FileRange|import("../lib/markdownlint.js").MicromarkToken} rangeB Range B.
  * @returns {boolean} True iff the two ranges overlap.
  */
-const hasOverlap = (rangeA, rangeB) => {
+module.exports.hasOverlap = function hasOverlap(rangeA, rangeB) {
   const lte = positionLessThanOrEqual(rangeA.startLine, rangeA.startColumn, rangeB.startLine, rangeB.startColumn);
   const first = lte ? rangeA : rangeB;
   const second = lte ? rangeB : rangeA;
   return positionLessThanOrEqual(second.startLine, second.startColumn, first.endLine, first.endColumn);
 };
-module.exports.hasOverlap = hasOverlap;
 
 // Determines if the front matter includes a title
 module.exports.frontMatterHasTitle =
@@ -6092,10 +6055,25 @@ module.exports = {
 
 
 
-const { addErrorDetailIf, fencedCodeBlockStyleFor } = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
+const { addErrorDetailIf } = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
 const { getDescendantsByType } = __webpack_require__(/*! ../helpers/micromark-helpers.cjs */ "../helpers/micromark-helpers.cjs");
 const { filterByTypesCached } = __webpack_require__(/*! ./cache */ "../lib/cache.js");
 
+/**
+ * Return the string representation of a fence markup character.
+ *
+ * @param {string} markup Fence string.
+ * @returns {"tilde" | "backtick"} String representation.
+ */
+function fencedCodeBlockStyleFor(markup) {
+  switch (markup[0]) {
+    case "~":
+      return "tilde";
+    default:
+      return "backtick";
+  }
+};
+
 // eslint-disable-next-line jsdoc/valid-types
 /** @type import("./markdownlint").Rule */
 module.exports = {
@@ -6138,11 +6116,26 @@ module.exports = {
 
 
 
-const { addError, emphasisOrStrongStyleFor } = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
+const { addError } = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
 const { filterByPredicate, getDescendantsByType } = __webpack_require__(/*! ../helpers/micromark-helpers.cjs */ "../helpers/micromark-helpers.cjs");
 
 const intrawordRe = /^\w$/;
 
+/**
+ * Return the string representation of a emphasis or strong markup character.
+ *
+ * @param {string} markup Emphasis or strong string.
+ * @returns {"asterisk" | "underscore"} String representation.
+ */
+function emphasisOrStrongStyleFor(markup) {
+  switch (markup[0]) {
+    case "*":
+      return "asterisk";
+    default:
+      return "underscore";
+  }
+};
+
 /**
  * @param {import("./markdownlint").RuleParams} params Rule parameters.
  * @param {import("./markdownlint").RuleOnError} onError Error-reporting callback.
@@ -6486,10 +6479,11 @@ module.exports = {
 
 
 
-const { addError, ellipsify, linkReferenceDefinitionRe } =
+const { addError, ellipsify } = __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
-  __webpack_require__(/*! ../helpers */ "../helpers/helpers.js");
 const { getReferenceLinkImageData } = __webpack_require__(/*! ./cache */ "../lib/cache.js");
 
+const linkReferenceDefinitionRe = /^ {0,3}\[([^\]]*[^\\])\]:/;
+
 // eslint-disable-next-line jsdoc/valid-types
 /** @type import("./markdownlint").Rule */
 module.exports = {

helpers/helpers.js

@@ -21,10 +21,6 @@ const inlineCommentStartRe =
   /(<!--\s*markdownlint-(disable|enable|capture|restore|disable-file|enable-file|disable-line|disable-next-line|configure-file))(?:\s|-->)/gi;
 module.exports.inlineCommentStartRe = inlineCommentStartRe;
 
-// Regular expression for link reference definitions
-const linkReferenceDefinitionRe = /^ {0,3}\[([^\]]*[^\\])\]:/;
-module.exports.linkReferenceDefinitionRe = linkReferenceDefinitionRe;
-
 // Regular expression for identifying an HTML entity at the end of a line
 module.exports.endOfLineHtmlEntityRe =
   /&(?:#\d+|#[xX][\da-fA-F]+|[a-zA-Z]{2,31}|blk\d{2}|emsp1[34]|frac\d{2}|sup\d|there4);$/;
@@ -222,38 +218,6 @@ module.exports.escapeForRegExp = function escapeForRegExp(str) {
   return str.replace(/[-/\\^$*+?.()|[\]{}]/g, "\\$&");
 };
 
-/**
- * Return the string representation of a fence markup character.
- *
- * @param {string} markup Fence string.
- * @returns {string} String representation.
- */
-module.exports.fencedCodeBlockStyleFor =
-  function fencedCodeBlockStyleFor(markup) {
-    switch (markup[0]) {
-      case "~":
-        return "tilde";
-      default:
-        return "backtick";
-    }
-  };
-
-/**
- * Return the string representation of a emphasis or strong markup character.
- *
- * @param {string} markup Emphasis or strong string.
- * @returns {"asterisk" | "underscore"} String representation.
- */
-module.exports.emphasisOrStrongStyleFor =
-  function emphasisOrStrongStyleFor(markup) {
-    switch (markup[0]) {
-      case "*":
-        return "asterisk";
-      default:
-        return "underscore";
-    }
-  };
-
 /**
  * Adds ellipsis to the left/right/middle of the specified text.
  *
@@ -376,13 +340,12 @@ const positionLessThanOrEqual = (lineA, columnA, lineB, columnB) => (
  * @param {FileRange|import("../lib/markdownlint.js").MicromarkToken} rangeB Range B.
  * @returns {boolean} True iff the two ranges overlap.
  */
-const hasOverlap = (rangeA, rangeB) => {
+module.exports.hasOverlap = function hasOverlap(rangeA, rangeB) {
   const lte = positionLessThanOrEqual(rangeA.startLine, rangeA.startColumn, rangeB.startLine, rangeB.startColumn);
   const first = lte ? rangeA : rangeB;
   const second = lte ? rangeB : rangeA;
   return positionLessThanOrEqual(second.startLine, second.startColumn, first.endLine, first.endColumn);
 };
-module.exports.hasOverlap = hasOverlap;
 
 // Determines if the front matter includes a title
 module.exports.frontMatterHasTitle =

lib/md048.js

@@ -2,10 +2,25 @@
 
 "use strict";
 
-const { addErrorDetailIf, fencedCodeBlockStyleFor } = require("../helpers");
+const { addErrorDetailIf } = require("../helpers");
 const { getDescendantsByType } = require("../helpers/micromark-helpers.cjs");
 const { filterByTypesCached } = require("./cache");
 
+/**
+ * Return the string representation of a fence markup character.
+ *
+ * @param {string} markup Fence string.
+ * @returns {"tilde" | "backtick"} String representation.
+ */
+function fencedCodeBlockStyleFor(markup) {
+  switch (markup[0]) {
+    case "~":
+      return "tilde";
+    default:
+      return "backtick";
+  }
+};
+
 // eslint-disable-next-line jsdoc/valid-types
 /** @type import("./markdownlint").Rule */
 module.exports = {

lib/md049-md050.js

@@ -2,11 +2,26 @@
 
 "use strict";
 
-const { addError, emphasisOrStrongStyleFor } = require("../helpers");
+const { addError } = require("../helpers");
 const { filterByPredicate, getDescendantsByType } = require("../helpers/micromark-helpers.cjs");
 
 const intrawordRe = /^\w$/;
 
+/**
+ * Return the string representation of a emphasis or strong markup character.
+ *
+ * @param {string} markup Emphasis or strong string.
+ * @returns {"asterisk" | "underscore"} String representation.
+ */
+function emphasisOrStrongStyleFor(markup) {
+  switch (markup[0]) {
+    case "*":
+      return "asterisk";
+    default:
+      return "underscore";
+  }
+};
+
 /**
  * @param {import("./markdownlint").RuleParams} params Rule parameters.
  * @param {import("./markdownlint").RuleOnError} onError Error-reporting callback.

lib/md053.js

@@ -2,10 +2,11 @@
 
 "use strict";
 
-const { addError, ellipsify, linkReferenceDefinitionRe } =
+const { addError, ellipsify } = require("../helpers");
-  require("../helpers");
 const { getReferenceLinkImageData } = require("./cache");
 
+const linkReferenceDefinitionRe = /^ {0,3}\[([^\]]*[^\\])\]:/;
+
 // eslint-disable-next-line jsdoc/valid-types
 /** @type import("./markdownlint").Rule */
 module.exports = {