test: join service

.idea/workspace.xml

@@ -4,7 +4,8 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="b30e2810-c4c1-4aad-b134-794e52cc1c7d" name="Changes" comment="refactor: tool options components">
+    <list default="true" id="b30e2810-c4c1-4aad-b134-794e52cc1c7d" name="Changes" comment="fix: join text service">
+      <change afterPath="$PROJECT_DIR$/src/pages/string/join/string-join.test.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/pages/string/join/service.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/string/join/service.ts" afterDir="false" />
     </list>
@@ -35,32 +36,34 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
-  &quot;keyToString&quot;: {
-    &quot;ASKED_ADD_EXTERNAL_FILES&quot;: &quot;true&quot;,
-    &quot;ASKED_SHARE_PROJECT_CONFIGURATION_FILES&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
-    &quot;git-widget-placeholder&quot;: &quot;main&quot;,
-    &quot;ignore.virus.scanning.warn.message&quot;: &quot;true&quot;,
-    &quot;kotlin-language-version-configured&quot;: &quot;true&quot;,
-    &quot;last_opened_file_path&quot;: &quot;C:/Users/HP/IdeaProjects/omni-tools/src/pages/string/split&quot;,
-    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
-    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
-    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
-    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
-    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
-    &quot;npm.dev.executor&quot;: &quot;Run&quot;,
-    &quot;npm.prebuild.executor&quot;: &quot;Run&quot;,
-    &quot;prettierjs.PrettierConfiguration.Package&quot;: &quot;C:\\Users\\HP\\IdeaProjects\\omni-tools\\node_modules\\prettier&quot;,
-    &quot;project.structure.last.edited&quot;: &quot;Problems&quot;,
-    &quot;project.structure.proportion&quot;: &quot;0.0&quot;,
-    &quot;project.structure.side.proportion&quot;: &quot;0.2&quot;,
-    &quot;settings.editor.selected.configurable&quot;: &quot;settings.typescriptcompiler&quot;,
-    &quot;ts.external.directory.path&quot;: &quot;C:\\Users\\HP\\IdeaProjects\\omni-tools\\node_modules\\typescript\\lib&quot;,
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "ASKED_ADD_EXTERNAL_FILES": "true",
+    "ASKED_SHARE_PROJECT_CONFIGURATION_FILES": "true",
+    "RunOnceActivity.OpenProjectViewOnStart": "true",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "Vitest.mergeText.executor": "Run",
+    "Vitest.mergeText.should merge lines and preserve blank lines when deleteBlankLines is false.executor": "Run",
+    "git-widget-placeholder": "main",
+    "ignore.virus.scanning.warn.message": "true",
+    "kotlin-language-version-configured": "true",
+    "last_opened_file_path": "C:/Users/HP/IdeaProjects/omni-tools/src/pages/string/split",
+    "node.js.detected.package.eslint": "true",
+    "node.js.detected.package.tslint": "true",
+    "node.js.selected.package.eslint": "(autodetect)",
+    "node.js.selected.package.tslint": "(autodetect)",
+    "nodejs_package_manager_path": "npm",
+    "npm.dev.executor": "Run",
+    "npm.prebuild.executor": "Run",
+    "prettierjs.PrettierConfiguration.Package": "C:\\Users\\HP\\IdeaProjects\\omni-tools\\node_modules\\prettier",
+    "project.structure.last.edited": "Problems",
+    "project.structure.proportion": "0.0",
+    "project.structure.side.proportion": "0.2",
+    "settings.editor.selected.configurable": "settings.typescriptcompiler",
+    "ts.external.directory.path": "C:\\Users\\HP\\IdeaProjects\\omni-tools\\node_modules\\typescript\\lib",
+    "vue.rearranger.settings.migration": "true"
   }
-}</component>
+}]]></component>
   <component name="ReactDesignerToolWindowState">
     <option name="myId2Visible">
       <map>
@@ -84,7 +87,34 @@
       <recent name="C:\Users\HP\IdeaProjects\omni-tools\src\tools" />
     </key>
   </component>
-  <component name="RunManager" selected="npm.dev">
+  <component name="RunManager" selected="Vitest.mergeText">
+    <configuration name="mergeText" type="JavaScriptTestRunnerVitest" temporary="true" nameIsGenerated="true">
+      <node-interpreter value="project" />
+      <vitest-package value="$PROJECT_DIR$/node_modules/vitest" />
+      <working-dir value="$PROJECT_DIR$" />
+      <vitest-options value="--run" />
+      <envs />
+      <scope-kind value="SUITE" />
+      <test-file value="$PROJECT_DIR$/src/pages/string/join/string-join.test.ts" />
+      <test-names>
+        <test-name value="mergeText" />
+      </test-names>
+      <method v="2" />
+    </configuration>
+    <configuration name="mergeText.should merge lines and preserve blank lines when deleteBlankLines is false" type="JavaScriptTestRunnerVitest" temporary="true" nameIsGenerated="true">
+      <node-interpreter value="project" />
+      <vitest-package value="$PROJECT_DIR$/node_modules/vitest" />
+      <working-dir value="$PROJECT_DIR$" />
+      <vitest-options value="--run" />
+      <envs />
+      <scope-kind value="TEST" />
+      <test-file value="$PROJECT_DIR$/src/pages/string/join/string-join.test.ts" />
+      <test-names>
+        <test-name value="mergeText" />
+        <test-name value="should merge lines and preserve blank lines when deleteBlankLines is false" />
+      </test-names>
+      <method v="2" />
+    </configuration>
     <configuration name="dev" type="js.build_tools.npm" temporary="true" nameIsGenerated="true">
       <package-json value="$PROJECT_DIR$/package.json" />
       <command value="run" />
@@ -107,6 +137,8 @@
     </configuration>
     <recent_temporary>
       <list>
+        <item itemvalue="Vitest.mergeText" />
+        <item itemvalue="Vitest.mergeText.should merge lines and preserve blank lines when deleteBlankLines is false" />
         <item itemvalue="npm.dev" />
         <item itemvalue="npm.prebuild" />
       </list>
@@ -129,7 +161,7 @@
       <workItem from="1719006951159" duration="2377000" />
       <workItem from="1719021128819" duration="3239000" />
       <workItem from="1719083989394" duration="7971000" />
-      <workItem from="1719092003308" duration="12297000" />
+      <workItem from="1719092003308" duration="13183000" />
     </task>
     <task id="LOCAL-00001" summary="feat: use vite and ts">
       <option name="closed" value="true" />
@@ -363,7 +395,15 @@
       <option name="project" value="LOCAL" />
       <updated>1719152057230</updated>
     </task>
-    <option name="localTasksCounter" value="30" />
+    <task id="LOCAL-00030" summary="fix: join text service">
+      <option name="closed" value="true" />
+      <created>1719153044395</created>
+      <option name="number" value="00030" />
+      <option name="presentableId" value="LOCAL-00030" />
+      <option name="project" value="LOCAL" />
+      <updated>1719153044395</updated>
+    </task>
+    <option name="localTasksCounter" value="31" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -384,7 +424,6 @@
     <option name="CHECK_CODE_SMELLS_BEFORE_PROJECT_COMMIT" value="false" />
     <option name="CHECK_NEW_TODO" value="false" />
     <option name="ADD_EXTERNAL_FILES_SILENTLY" value="true" />
-    <MESSAGE value="feat: use vite and ts" />
     <MESSAGE value="feat: initial commit" />
     <MESSAGE value="feat: example tools" />
     <MESSAGE value="feat: Split string" />
@@ -409,7 +448,8 @@
     <MESSAGE value="chore: tools by category" />
     <MESSAGE value="feat: copy and import file" />
     <MESSAGE value="refactor: tool options components" />
-    <option name="LAST_COMMIT_MESSAGE" value="refactor: tool options components" />
+    <MESSAGE value="fix: join text service" />
+    <option name="LAST_COMMIT_MESSAGE" value="fix: join text service" />
   </component>
   <component name="XSLT-Support.FileAssociations.UIState">
     <expand />

src/pages/string/join/service.ts

@@ -4,9 +4,7 @@ export function mergeText(
   deleteTrailingSpaces: boolean = true,
   joinCharacter: string = ''
 ): string {
-  const lines = text.split('\n');
-
-  let processedLines: string[] = lines;
+  let processedLines: string[] = text.split('\n');
   if (deleteTrailingSpaces) {
     processedLines = processedLines.map((line) => line.trimEnd());
   }

src/pages/string/join/string-join.test.ts

@@ -0,0 +1,64 @@
+import { describe, it, expect } from 'vitest';
+import { mergeText } from './service';
+
+describe('mergeText', () => {
+  it('should merge lines with default settings (delete blank lines, delete trailing spaces, join with empty string)', () => {
+    const input = 'line1  \n  \nline2\nline3  \n\nline4';
+    const expected = 'line1line2line3line4';
+    expect(mergeText(input)).toBe(expected);
+  });
+
+  it('should merge lines and preserve blank lines when deleteBlankLines is false', () => {
+    const input = 'line1  \n  \nline2\nline3  \n\nline4';
+    const expected = 'line1line2line3line4';
+    expect(mergeText(input, false, true, '')).toBe(expected);
+  });
+
+  it('should merge lines and preserve trailing spaces when deleteTrailingSpaces is false', () => {
+    const input = 'line1  \n  \nline2\nline3  \n\nline4';
+    const expected = 'line1  line2line3  line4';
+    expect(mergeText(input, true, false)).toBe(expected);
+  });
+
+  it('should merge lines, preserve blank lines and trailing spaces when both deleteBlankLines and deleteTrailingSpaces are false', () => {
+    const input = 'line1  \n  \nline2\nline3  \n\nline4';
+    const expected = 'line1    line2line3  line4';
+    expect(mergeText(input, false, false)).toBe(expected);
+  });
+
+  it('should merge lines with a specified joinCharacter', () => {
+    const input = 'line1  \n  \nline2\nline3  \n\nline4';
+    const expected = 'line1 line2 line3 line4';
+    expect(mergeText(input, true, true, ' ')).toBe(expected);
+  });
+
+  it('should handle empty input', () => {
+    const input = '';
+    const expected = '';
+    expect(mergeText(input)).toBe(expected);
+  });
+
+  it('should handle input with only blank lines', () => {
+    const input = '  \n  \n\n';
+    const expected = '';
+    expect(mergeText(input)).toBe(expected);
+  });
+
+  it('should handle input with only trailing spaces', () => {
+    const input = 'line1  \nline2  \nline3  ';
+    const expected = 'line1line2line3';
+    expect(mergeText(input)).toBe(expected);
+  });
+
+  it('should handle single line input', () => {
+    const input = 'single line';
+    const expected = 'single line';
+    expect(mergeText(input)).toBe(expected);
+  });
+
+  it('should join lines with new line character when joinCharacter is set to "\\n"', () => {
+    const input = 'line1  \n  \nline2\nline3  \n\nline4';
+    const expected = 'line1\nline2\nline3\nline4';
+    expect(mergeText(input, true, true, '\n')).toBe(expected);
+  });
+});