Fix a variety of minor typos

CHANGELOG.md

@@ -146,7 +146,7 @@
 
 ## 0.21.29
 
-- New report section: Dart 3 compatiblity.
+- New report section: Dart 3 compatibility.
 
 ## 0.21.28
 
@@ -205,8 +205,8 @@
 - Null safety tagger does not check `dart:` libraries.
 - Removed internal hostname check from the report and score.
 - Fixed: platform tagging with dart:mirrors.
-- Deprected `AnalysisOptions.isInternal`.
-- Detect `CONTRIBUTING.md` during repositority verification and expose if URL check succeeds.
+- Deprecated `AnalysisOptions.isInternal`.
+- Detect `CONTRIBUTING.md` during repository verification and expose if URL check succeeds.
 - **BREAKING CHANGES** on rarely used external API:
   - Removed `UrlProblemCodes.internal`.
   - Removed `UrlChecker.addInternalHosts`.
@@ -262,7 +262,7 @@
 - Cache the currently fetched depth in `GitLocalRepository`.
 - List files and check all `pubspec.yaml` during repository verification.
 - Typed `stdout` and `stderr` in `PanaProcessResult`.
-- Updated SPDX linceses.
+- Updated SPDX licenses.
 - Emit `license:<license>` tag on all the detected licenses.
 - Emit `license:osi-approved` and `license:fsf-libre`.
 
@@ -289,7 +289,7 @@
 ## 0.21.6
 
 - `package:analyzer` dependency upgraded to `^3.1.0`.
-- Fix dart analysis. Code problems are now propagatet to the pana report.
+- Fix dart analysis. Code problems are now propagated to the pana report.
 - Fix retry on version listing HTTP requests during `getVersionListing`.
 - `RepositoryUrl` (private API) to detect repository patterns and resolve paths.
 
@@ -329,7 +329,7 @@
 * New license detection.
 * Use `package:lints/core.yaml` as default `analysis_options.yaml` override.
 * Upgraded `package:analyzer` to `^2.1.0` and updated deprecated code use.
-* Updated tool environemnt to use `[ dart | flutter ] format` instead of `dartfmt`.
+* Updated tool environment to use `[ dart | flutter ] format` instead of `dartfmt`.
 * Updated tool environment to use `flutter pub outdated` when package uses Flutter. 
 
 ## 0.20.1
@@ -432,10 +432,10 @@
 * More graceful behavior when the analyzer crashes.
 
 ## 0.15.3
-* Ignore Flutter version constraint upper bounds
-.
+* Ignore Flutter version constraint upper bounds.
+
 ## 0.15.2
-* If unsupported versions of dependencies are newer than 30 days or depend on a 
+* If unsupported versions of dependencies are newer than 30 days or depend on an
   unreleased sdk the dependencies section will be marked as passing instead of
   partial.
 
@@ -467,7 +467,7 @@
 * **BREAKING** `ToolEnvironment.runProc` and `ToolEnvironment.runProcSync` now 
   take the executable as the first element of the argument list instead of as a 
   separate argument.
-* If unsupported versions of dependencies are newer than 30 days or depend on a 
+* If unsupported versions of dependencies are newer than 30 days or depend on an
   unreleased sdk the package will still be awarded points in the report.
 * Better timeout message for dartdoc section
 * Adjust `runProc` timeout/kill handler.
@@ -609,7 +609,7 @@
 * Adds suggestions for why tags don't apply.
 * Command line uses `--source=path` by default.
 * Support platform tagging of old-style flutter plugin declarations.
-* Give penality for old-style flutter plugin declarations.
+* Give penalty for old-style flutter plugin declarations.
 
 ## 0.13.8
 
@@ -1212,13 +1212,13 @@ Updates:
 
 ## 0.2.3
 
-* Lot's of stability improvements.
+* Lots of stability improvements.
 
 * Improvements to error handling.
 
 ## 0.2.2
 
-* Lot's of cleanup to JSON output.
+* Lots of cleanup to JSON output.
 
 * Improved stability.
 

bin/batch.dart

@@ -30,7 +30,7 @@ import 'package:pana/src/batch/batch_run_command.dart';
 ///       analysisOptions: local-file.yaml
 ///
 ///    The `analysisOptions` parameter may be an URL if it starts with https://
-///    The `analysisOptions` file must be self-containaing, `include` is not supported.
+///    The `analysisOptions` file must be self-containing, `include` is not supported.
 ///
 /// 4. Run batch compare:
 ///

lib/src/dartdoc/dartdoc_index.dart

@@ -68,8 +68,10 @@ class DartdocIndexEntry {
 
   Map<String, dynamic> toJson() => _$DartdocIndexEntryToJson(this);
 
-  /// Wether the entry is a top-level library.
+  /// Whether the entry is a top-level library.
   bool get isLibrary => href != null && href!.endsWith('-library.html');
+
+  /// Whether the entry is a class declaration.
   bool get isClass => href != null && href!.endsWith('-class.html');
 }
 

lib/src/dartdoc/pub_dartdoc_data.dart

@@ -52,7 +52,7 @@ class ApiElement {
 
   String get qualifiedName => parent == null ? name : '$parent.$name';
 
-  /// Wether the entry is a top-level library.
+  /// Weather the entry is a top-level library.
   late final isLibrary = href != null && href!.endsWith('-library.html');
   late final isClass = href != null && href!.endsWith('-class.html');
 }

lib/src/license_detection/confidence.dart

@@ -21,8 +21,8 @@ class LicenseMismatchException implements Exception {
 /// Computes the confidence of [knownLicense] matching with [unknownLicense] and
 /// returns an instance of [LicenseMatch].
 ///
-/// Throws [LicenseMismatchException] if an unaccepatable change was made or the calculated confidence is
-/// lesser than the set threshold.
+/// Throws [LicenseMismatchException] if an unacceptable change was made or
+/// the calculated confidence is lesser than the set threshold.
 @visibleForTesting
 LicenseMatch licenseMatch(
   LicenseWithNGrams unknownLicense,
@@ -32,7 +32,7 @@ LicenseMatch licenseMatch(
 ) {
   if (unknownLicense.granularity != knownLicense.granularity) {
     throw LicenseMismatchException(
-        "Can't comapare the licenses due to different granularity");
+        "Can't compare the licenses due to different granularity");
   }
   final diffs = getDiffs(
     unknownLicense.tokens,

lib/src/license_detection/license.dart

@@ -143,17 +143,17 @@ class LicenseMatch {
   String get identifier => license.identifier;
 
   /// Offset in the input license text considered to be possible starting point
-  /// of known license subtring.
+  /// of known license substring.
   int get start => tokens.first.span.start.offset;
 
   /// Offset in the input license text considered to be possible starting point
-  /// of known license subtring.
+  /// of known license substring.
   int get end => tokens.last.span.end.offset;
 
   /// Count of the tokens claimed in this match.
   ///
-  /// It is intialized to the number of tokens claimed by this match.
-  /// Incase of match with the same spdx-identifier we create a new
+  /// It is initialized to the number of tokens claimed by this match.
+  /// In case of match with the same spdx-identifier we create a new
   /// instance with tokenClaimed assigned to the maximum of both
   /// the identical matches.
   ///
@@ -168,7 +168,7 @@ class LicenseMatch {
 
   /// Range of tokens in the unknown text claimed by this match.
   ///
-  /// Range is initilalized from start index of first
+  /// Range is initialized from start index of first
   /// token claimed in the match
   @visibleForTesting
   final Range tokenRange;
@@ -228,7 +228,8 @@ Map<String, int> generateFrequencyTable(List<Token> tokens) {
 /// to be in the form of [`<spdx-identifier>.txt`][1].
 /// The [directories] are not searched recursively.
 ///
-/// Throws if any of the [directories] contains a file not meeting the above criteria's.
+/// Throws if any of the [directories] contains a file that
+/// doesn't meet the above criteria.
 ///
 /// [1]: https://spdx.dev/ids/
 List<License> loadLicensesFromDirectories(Iterable<String> directories) {
@@ -285,7 +286,7 @@ List<License> licensesFromFile(String path) {
   return licenses;
 }
 
-/// Regex to match the all the text starting from `END OF TERMS AND CONDTIONS`.
+/// Regex to match the all the text starting from `END OF TERMS AND CONDITIONS`.
 const _endOfTerms = 'END OF TERMS AND CONDITIONS';
 
 /// Generates crc-32 checksum for the given list of tokens

lib/src/license_detection/license_detector.dart

@@ -85,7 +85,7 @@ Future<Result> detectLicense(String text, double threshold) async {
   result.sort(sortOnConfidence);
   result = removeOverLappingMatches(result);
   final unclaimedPercentage =
-      claculateUnclaimedTokenPercentage(result, unknownLicense.tokens.length);
+      calculateUnclaimedTokenPercentage(result, unknownLicense.tokens.length);
   final longestUnclaimedTokenCount =
       findLongestUnclaimedTokenRange(result, unknownLicense.tokens.length);
   return Result(List.unmodifiable(result), unclaimedPercentage,
@@ -98,7 +98,7 @@ Future<Result> detectLicense(String text, double threshold) async {
 /// In a worst case scenario where the error is evenly
 /// distributed (breaking the token runs most times), if we
 /// consider 100 tokens and threshold 0.8, we'll have
-/// 4 continuos matching tokens and a mismatch.
+/// 4 continuous matching tokens and a mismatch.
 ///
 /// So this function returns the minimum number of tokens
 /// or 1 (which is greater) to consider them as part
@@ -112,16 +112,17 @@ int computeGranularity(double threshold) {
   return max(1, threshold ~/ (1 - threshold));
 }
 
-/// For [LicenseMatch] in [matches] having the same `spdx-identifier` the one with highest confidence
-/// is considered and rest are discared.
+/// Determines each [LicenseMatch] in [matches] that has the highest confidence
+/// among all [LicenseMatch] with the same [LicenseMatch.identifier].
 @visibleForTesting
 List<LicenseMatch> removeDuplicates(List<LicenseMatch> matches) {
   var identifierToLicense = <String, LicenseMatch>{};
 
   for (var match in matches) {
     if (identifierToLicense.containsKey(match.identifier)) {
       var prevMatch = identifierToLicense[match.identifier];
-      // As both the licenses are same consider tha max of tokens claimed among these two.
+      // As both the licenses are same consider the
+      // max of tokens claimed among these two.
       var tempMatch =
           prevMatch!.confidence > match.confidence ? prevMatch : match;
 
@@ -140,11 +141,12 @@ List<LicenseMatch> removeDuplicates(List<LicenseMatch> matches) {
   return identifierToLicense.values.toList();
 }
 
-/// Custom comparator to the sort the licenses based on decreasing order of confidence.
+/// Custom comparator to the sort the licenses based on
+/// decreasing order of confidence.
 ///
-/// Incase the confidence detected is same for the matches, ratio of tokens claimed
-/// in the unkown text to the number of tokens present in the known license text
-/// is considered
+/// In case the confidence detected is same for the matches,
+/// the ratio of tokens claimed in the unknown text to the
+/// number of tokens present in the known license text is considered
 @visibleForTesting
 int sortOnConfidence(LicenseMatch matchA, LicenseMatch matchB) {
   if (matchA.confidence > matchB.confidence) {
@@ -163,19 +165,20 @@ int sortOnConfidence(LicenseMatch matchA, LicenseMatch matchB) {
   return (matchATokensPercent > matchBTokensPercent) ? -1 : 1;
 }
 
-/// Fliters out licenses having overlapping ranges giving preferences to a match with higher token density.
+/// Filters out licenses having overlapping ranges,
+/// giving preference to a match with higher token density.
 ///
 /// Token density is the product of number of tokens claimed in the range and
-/// confidence score of the match. Incase of exact match we retain both
+/// confidence score of the match. In case of an exact match we retain both
 /// the matches so that the user can resolve them.
 @visibleForTesting
 List<LicenseMatch> removeOverLappingMatches(List<LicenseMatch> matches) {
   var retain = List.filled(matches.length, false);
-  var retainedmatches = <LicenseMatch>[];
+  var retainedMatches = <LicenseMatch>[];
 
   // We consider token density to retain matches of larger licenses
   // having lesser confidence when compared to a smaller license
-  // haing a  perfect match.
+  // having a perfect match.
   for (var i = 0; i < matches.length; i++) {
     var keep = true;
     final matchA = matches[i];
@@ -188,15 +191,15 @@ List<LicenseMatch> removeOverLappingMatches(List<LicenseMatch> matches) {
       }
       final matchB = matches[j];
       final rangeB = Range(matchB.tokenRange.start, matchB.tokenRange.end);
-      // Check if matchA is larger license containing an insatnce of
+      // Check if matchA is larger license containing an instance of
       // smaller license within it and decide to whether retain it
-      // or not by comapring their token densities. Example NPL
+      // or not by comparing their token densities. Example NPL
       // contains MPL.
       if (rangeA.contains(rangeB) && retain[j]) {
         final aConf = matchA.tokensClaimed * matchA.confidence;
         final bConf = matchB.tokensClaimed * matchB.confidence;
 
-        // Retain both the licenses incase of a exact match,
+        // Retain both the licenses in case of an exact match,
         // so that it can be resolved by the user.
         if (aConf > bConf) {
           proposals[j] = true;
@@ -218,24 +221,24 @@ List<LicenseMatch> removeOverLappingMatches(List<LicenseMatch> matches) {
 
   for (var i = 0; i < matches.length; i++) {
     if (retain[i]) {
-      retainedmatches.add(matches[i]);
+      retainedMatches.add(matches[i]);
     }
   }
 
-  return retainedmatches;
+  return retainedMatches;
 }
 
 /// Returns the ratio of tokens claimed in all the matches to the number of
 /// tokens present in the unknown license.
 ///
-/// Minimum possible score is 0 incase none of the known licenses are detected.
+/// Minimum possible score is 0 in case none of the known licenses are detected.
 /// The maximum score can be greater than 1 in cases where the same range of
 /// tokens is claimed for two licenses.
 ///
 /// For example NPL contains MPL in this case we detect 2 licenses in the
-/// same range and hence we have a possibilty of getting a score
+/// same range and hence we have a possibility of getting a score
 /// than 1.
-double claculateUnclaimedTokenPercentage(
+double calculateUnclaimedTokenPercentage(
     List<LicenseMatch> matches, int unknownTokensCount) {
   var claimedTokenCount = 0;
 

lib/src/markdown_content.dart

@@ -13,13 +13,13 @@ import 'package:source_span/source_span.dart';
 import 'utils.dart';
 
 /// The extracted content of a markdown file.
-class ExctractedMarkdownContent {
+class ExtractedMarkdownContent {
   final List<Link> images;
   final List<Link> links;
   final bool isMalformedUtf8;
   final double nonAsciiRatio;
 
-  ExctractedMarkdownContent({
+  ExtractedMarkdownContent({
     required this.images,
     required this.links,
     required this.isMalformedUtf8,
@@ -35,12 +35,12 @@ class ExctractedMarkdownContent {
 }
 
 /// Scans a markdown text and extracts its content.
-ExctractedMarkdownContent _scanMarkdownText(
+ExtractedMarkdownContent _scanMarkdownText(
     String text, Uri sourceUrl, bool isMalformedUtf8) {
   final htmlText = markdownToHtml(text);
   final html = html_parser.parseFragment(htmlText,
       sourceUrl: sourceUrl.toString(), generateSpans: true);
-  return ExctractedMarkdownContent(
+  return ExtractedMarkdownContent(
     images: _unique(html
         .querySelectorAll('img')
         .where((e) => e.attributes.containsKey('src'))
@@ -57,7 +57,7 @@ ExctractedMarkdownContent _scanMarkdownText(
 List<T> _unique<T>(Iterable<T> l) => l.toSet().toList();
 
 /// Scans a markdown file and extracts its content.
-Future<ExctractedMarkdownContent> scanMarkdownFileContent(File file) async {
+Future<ExtractedMarkdownContent> scanMarkdownFileContent(File file) async {
   final bytes = await file.readAsBytes();
   String text;
   var isMalformedUtf8 = false;

lib/src/model.dart

@@ -241,7 +241,7 @@ class Report {
 abstract class ReportSectionId {
   static const analysis = 'analysis';
   static const convention = 'convention';
-  static const dart3Compatiblity = 'dart3-compatibility';
+  static const dart3Compatibility = 'dart3-compatibility';
   static const dependency = 'dependency';
   static const documentation = 'documentation';
   static const platform = 'platform';

lib/src/package_context.dart

@@ -286,7 +286,7 @@ class PackageContext {
       }
     } else {
       return DartdocResult.error(
-          'Dependency resultion failed, unable to run `dartdoc`.');
+          'Dependency resolution failed, unable to run `dartdoc`.');
     }
   }();
 

lib/src/report/dependencies.dart

@@ -344,7 +344,7 @@ Future<List<OutdatedVersionDescription>> computeOutdatedVersions(
                 Issue(
                     'The constraint `${hostedDependency.version}` on $name does not support the stable version `$versionString`, '
                     'but that version doesn\'t support the current Dart SDK version ${context.currentSdkVersion}.'
-                    '\n\nWhen a supporting stable sdk is pubslished, this package will no longer be awarded points in this category.'),
+                    '\n\nWhen a supporting stable sdk is published, this package will no longer be awarded points in this category.'),
                 OutdatedStatus.outdatedByPreview));
           } else {
             result.add(OutdatedVersionDescription(