feat: wrapIndent option; fixes #715

BREAKING CHANGE:

Will strip indents by default; set `wrapIndent` option to a whitespace string (e.g., of 2 spaces) to set the indent you wish after wrapping

.README/rules/check-line-alignment.md

@@ -9,17 +9,16 @@ for example.
 This rule allows one optional string argument. If it is `"always"` then a
 problem is raised when the lines are not aligned. If it is `"never"` then
 a problem should be raised when there is more than one space between each
-line's parts. Defaults to `"never"`.
+line's parts. If it is `"any"`, no alignment is made. Defaults to `"never"`.
 
-Note that in addition to alignment, both options will ensure at least one
-space is present after the asterisk delimiter.
+Note that in addition to alignment, the "never" and "always" options will both
+ensure that at least one space is present after the asterisk delimiter.
 
 After the string, an options object is allowed with the following properties.
 
 ##### `tags`
 
-Use this to change the tags which are sought for alignment changes. *Currently*
-*only works with the "never" option.* Defaults to an array of
+Use this to change the tags which are sought for alignment changes. Defaults to an array of
 `['param', 'arg', 'argument', 'property', 'prop', 'returns', 'return']`.
 
 ##### `customSpacings`
@@ -34,10 +33,20 @@ An object with any of the following keys set to an integer. Affects spacing:
 
 If a spacing is not defined, it defaults to one.
 
+##### `preserveMainDescriptionPostDelimiter`
+
+A boolean to determine whether to preserve the post-delimiter spacing of the
+main description. If `false` or unset, will be set to a single space.
+
+##### `wrapIndent`
+
+The indent that will be applied for tag text after the first line.
+Default to the empty string (no indent).
+
 |||
 |---|---|
 |Context|everywhere|
-|Options|(a string matching `"always" or "never"` and optional object with `tags` and `customSpacings`)|
+|Options|(a string matching `"always"`, `"never"`, or `"any"` and optional object with `tags`, `customSpacings`, `preserveMainDescriptionPostDelimiter`, and `wrapIndent`)|
 |Tags|`param`, `property`, `returns` and others added by `tags`|
 |Aliases|`arg`, `argument`, `prop`, `return`|
 |Recommended|false|

README.md

@@ -2031,19 +2031,18 @@ for example.
 This rule allows one optional string argument. If it is `"always"` then a
 problem is raised when the lines are not aligned. If it is `"never"` then
 a problem should be raised when there is more than one space between each
-line's parts. Defaults to `"never"`.
+line's parts. If it is `"any"`, no alignment is made. Defaults to `"never"`.
 
-Note that in addition to alignment, both options will ensure at least one
-space is present after the asterisk delimiter.
+Note that in addition to alignment, the "never" and "always" options will both
+ensure that at least one space is present after the asterisk delimiter.
 
 After the string, an options object is allowed with the following properties.
 
 <a name="user-content-eslint-plugin-jsdoc-rules-check-line-alignment-options-3-tags"></a>
 <a name="eslint-plugin-jsdoc-rules-check-line-alignment-options-3-tags"></a>
 ##### <code>tags</code>
 
-Use this to change the tags which are sought for alignment changes. *Currently*
-*only works with the "never" option.* Defaults to an array of
+Use this to change the tags which are sought for alignment changes. Defaults to an array of
 `['param', 'arg', 'argument', 'property', 'prop', 'returns', 'return']`.
 
 <a name="user-content-eslint-plugin-jsdoc-rules-check-line-alignment-options-3-customspacings"></a>
@@ -2060,10 +2059,24 @@ An object with any of the following keys set to an integer. Affects spacing:
 
 If a spacing is not defined, it defaults to one.
 
+<a name="user-content-eslint-plugin-jsdoc-rules-check-line-alignment-options-3-preservemaindescriptionpostdelimiter"></a>
+<a name="eslint-plugin-jsdoc-rules-check-line-alignment-options-3-preservemaindescriptionpostdelimiter"></a>
+##### <code>preserveMainDescriptionPostDelimiter</code>
+
+A boolean to determine whether to preserve the post-delimiter spacing of the
+main description. If `false` or unset, will be set to a single space.
+
+<a name="user-content-eslint-plugin-jsdoc-rules-check-line-alignment-options-3-wrapindent"></a>
+<a name="eslint-plugin-jsdoc-rules-check-line-alignment-options-3-wrapindent"></a>
+##### <code>wrapIndent</code>
+
+The indent that will be applied for tag text after the first line.
+Default to the empty string (no indent).
+
 |||
 |---|---|
 |Context|everywhere|
-|Options|(a string matching `"always" or "never"` and optional object with `tags` and `customSpacings`)|
+|Options|(a string matching `"always"`, `"never"`, or `"any"` and optional object with `tags`, `customSpacings`, `preserveMainDescriptionPostDelimiter`, and `wrapIndent`)|
 |Tags|`param`, `property`, `returns` and others added by `tags`|
 |Aliases|`arg`, `argument`, `prop`, `return`|
 |Recommended|false|
@@ -2508,6 +2521,53 @@ const fn = ( lorem, sit ) => {}
 const fn = ( lorem, sit ) => {}
 // "jsdoc/check-line-alignment": ["error"|"warn", "never",{"customSpacings":{"postHyphen":2}}]
 // Message: Expected JSDoc block lines to not be aligned.
+
+/**
+ * @param {string} lorem Description
+ * with multiple lines.
+ */
+function quux () {
+}
+// "jsdoc/check-line-alignment": ["error"|"warn", "any",{"wrapIndent":"  "}]
+// Message: Expected wrap indent
+
+/**
+ * Function description.
+ *
+ * @param {string} lorem Description.
+ * @param {int} sit Description multi
+ * line with asterisks.
+ */
+const fn = ( lorem, sit ) => {}
+// "jsdoc/check-line-alignment": ["error"|"warn", "always",{"wrapIndent":"  "}]
+// Message: Expected JSDoc block lines to be aligned.
+
+/**
+ * My function.
+ *
+ * @param {string} lorem Description.
+ * @param   {int}    sit   Description multiple
+ * lines.
+ */
+const fn = ( lorem, sit ) => {}
+// "jsdoc/check-line-alignment": ["error"|"warn", "never",{"wrapIndent":"  "}]
+// Message: Expected JSDoc block lines to not be aligned.
+
+/**
+ * @property {boolean} tls_verify_client_certificate - Whether our API should
+ *   enable TLS client authentication
+ */
+function quux () {}
+// "jsdoc/check-line-alignment": ["error"|"warn", "never",{"wrapIndent":"   "}]
+// Message: Expected wrap indent
+
+/**
+ * @property {boolean} tls_verify_client_certificate - Whether our API should
+ *   enable TLS client authentication
+ */
+function quux () {}
+// "jsdoc/check-line-alignment": ["error"|"warn", "never",{"wrapIndent":""}]
+// Message: Expected wrap indent
 ````
 
 The following patterns are not considered problems:
@@ -2865,11 +2925,59 @@ const fn = ( lorem, sit ) => {};
 const fn = ( a, b ) => {};
 // "jsdoc/check-line-alignment": ["error"|"warn", "always"]
 
+/**
+ * @param {string} lorem Description
+ *   with multiple lines.
+ */
+function quux () {
+}
+// "jsdoc/check-line-alignment": ["error"|"warn", "any",{"wrapIndent":"  "}]
+
+/**
+ * @param {string} lorem Description
+ *   with multiple lines.
+ */
+function quux () {
+}
+// "jsdoc/check-line-alignment": ["error"|"warn", "never",{"wrapIndent":"  "}]
+
+/**
+ * Function description.
+ *
+ * @param {string} lorem Description.
+ * @param {int}    sit   Description multi
+ *                         line with asterisks.
+ */
+const fn = ( lorem, sit ) => {}
+// "jsdoc/check-line-alignment": ["error"|"warn", "always",{"wrapIndent":"  "}]
+
+/**
+ * Function description.
+ *
+ * @param {string} lorem Description.
+ * @param {int}    sit   Description multi
+ *                         line with
+ *                         asterisks.
+ */
+const fn = ( lorem, sit ) => {}
+// "jsdoc/check-line-alignment": ["error"|"warn", "always",{"wrapIndent":"  "}]
+
+/**
+ * @param {
+ *   string | number
+ * } lorem Description
+ *   with multiple lines.
+ */
+function quux () {
+}
+// "jsdoc/check-line-alignment": ["error"|"warn", "never",{"wrapIndent":"  "}]
+
 /**
  * @param {string|string[]|TemplateResult|TemplateResult[]} event.detail.description -
  *    Notification description
  */
 function quux () {}
+// "jsdoc/check-line-alignment": ["error"|"warn", "never",{"wrapIndent":"   "}]
 ````
 
 

src/alignTransform.js

@@ -104,6 +104,7 @@ const alignTransform = ({
   tags,
   indent,
   preserveMainDescriptionPostDelimiter,
+  wrapIndent,
 }) => {
   let intoTags = false;
   let width;
@@ -180,10 +181,11 @@ const alignTransform = ({
     return tokens;
   };
 
-  const update = (line, index, source, typelessInfo) => {
+  const update = (line, index, source, typelessInfo, indentTag) => {
     const tokens = {
       ...line.tokens,
     };
+
     if (tokens.tag !== '') {
       intoTags = true;
     }
@@ -204,21 +206,19 @@ const alignTransform = ({
       };
     }
 
-    /* eslint-disable indent */
     switch (tokens.delimiter) {
-      case Markers.start:
-        tokens.start = indent;
-        break;
-      case Markers.delim:
-        tokens.start = indent + ' ';
-        break;
-      default:
-        tokens.delimiter = '';
-
-        // compensate delimiter
-        tokens.start = indent + '  ';
+    case Markers.start:
+      tokens.start = indent;
+      break;
+    case Markers.delim:
+      tokens.start = indent + ' ';
+      break;
+    default:
+      tokens.delimiter = '';
+
+      // compensate delimiter
+      tokens.start = indent + '  ';
     }
-    /* eslint-enable */
 
     if (!intoTags) {
       if (tokens.description === '') {
@@ -240,16 +240,16 @@ const alignTransform = ({
     );
 
     // Not align.
-    if (!shouldAlign(tags, index, source)) {
-      return {
-        ...line,
-        tokens,
-      };
+    if (shouldAlign(tags, index, source)) {
+      alignTokens(tokens, typelessInfo);
+      if (indentTag) {
+        tokens.postDelimiter += wrapIndent;
+      }
     }
 
     return {
       ...line,
-      tokens: alignTokens(tokens, typelessInfo),
+      tokens,
     };
   };
 
@@ -263,10 +263,19 @@ const alignTransform = ({
 
     const typelessInfo = getTypelessInfo(fields);
 
+    let tagIndentMode = false;
+
     return rewireSource({
       ...fields,
       source: source.map((line, index) => {
-        return update(line, index, source, typelessInfo);
+        const indentTag = tagIndentMode && !line.tokens.tag && line.tokens.description;
+        const ret = update(line, index, source, typelessInfo, indentTag);
+
+        if (line.tokens.tag) {
+          tagIndentMode = true;
+        }
+
+        return ret;
       }),
     });
   };

src/rules/checkLineAlignment.js

@@ -137,13 +137,15 @@ const checkAlignment = ({
   report,
   tags,
   utils,
+  wrapIndent,
 }) => {
   const transform = commentFlow(
     alignTransform({
       customSpacings,
       indent,
       preserveMainDescriptionPostDelimiter,
       tags,
+      wrapIndent,
     }),
   );
   const transformedJsdoc = transform(jsdoc);
@@ -176,6 +178,7 @@ export default iterateJsdoc(({
     ],
     preserveMainDescriptionPostDelimiter,
     customSpacings,
+    wrapIndent = '',
   } = context.options[1] || {};
 
   if (context.options[0] === 'always') {
@@ -193,14 +196,48 @@ export default iterateJsdoc(({
       report,
       tags: applicableTags,
       utils,
+      wrapIndent,
     });
 
     return;
   }
 
   const foundTags = utils.getPresentTags(applicableTags);
+  if (context.options[0] !== 'any') {
+    for (const tag of foundTags) {
+      checkNotAlignedPerTag(utils, tag, customSpacings);
+    }
+  }
+
   for (const tag of foundTags) {
-    checkNotAlignedPerTag(utils, tag, customSpacings);
+    if (tag.source.length > 1) {
+      let idx = 0;
+      for (const {
+        tokens,
+      // Avoid the tag line
+      } of tag.source.slice(1)) {
+        idx++;
+
+        if (
+          !tokens.description ||
+          // Avoid first lines after multiline type
+          tokens.type ||
+          tokens.name
+        ) {
+          continue;
+        }
+
+        // Don't include a single separating space/tab
+        if (tokens.postDelimiter.slice(1) !== wrapIndent) {
+          utils.reportJSDoc('Expected wrap indent', {
+            line: tag.source[0].number + idx,
+          }, () => {
+            tokens.postDelimiter = tokens.postDelimiter.charAt() + wrapIndent;
+          });
+          return;
+        }
+      }
+    }
   }
 }, {
   iterateAllJsdocs: true,
@@ -213,7 +250,7 @@ export default iterateJsdoc(({
     schema: [
       {
         enum: [
-          'always', 'never',
+          'always', 'never', 'any',
         ],
         type: 'string',
       },
@@ -250,6 +287,9 @@ export default iterateJsdoc(({
             },
             type: 'array',
           },
+          wrapIndent: {
+            type: 'string',
+          },
         },
         type: 'object',
       },