Make prompt element type name case-insensitive

src/lib/enum/promptElementType.ts

@@ -194,7 +194,7 @@ export const PROMPT_ELEMENT_TYPES = [
   new PromptElementType('Prompt Sign', '\\$', [], true, false, 'If the effective uid is 0, #, otherwise $.', '$'),
   new PromptElementType('Exit Status', '$?', [], true, false, 'Exit status ($?).', '0'),
   new PromptElementType(
-    'Git branch',
+    'Git Branch',
     // eslint-disable-next-line quotes
     "git branch 2>/dev/null | grep '*' | colrm 1 2",
     [],
@@ -284,6 +284,17 @@ export const PROMPT_ELEMENT_TYPES = [
   ),
 ];
 
+/**
+ * Find a prompt element type by its name. This function should only be used if the name is known to be valid.
+ *
+ * @param name The case-insensitive name of an existing (!) prompt element type.
+ * @returns the prompt element type with the given name
+ */
+export function getPromptElementTypeByNameUnsafe(name: string): PromptElementType {
+  // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+  return PROMPT_ELEMENT_TYPES.find((promptElementType) => promptElementType.name.toLowerCase() === name.toLowerCase())!;
+}
+
 /**
  * {@linkcode PROMPT_ELEMENT_TYPES_SEPARATORS} is a list labels of {@linkcode PromptElementType}s in
  * {@linkcode PROMPT_ELEMENT_TYPES} *before* which a separator should be inserted in the UI.
@@ -296,7 +307,7 @@ export const PROMPT_ELEMENT_TYPES_SEPARATORS = [
   'Terminal',
   'History Number',
   'Prompt Sign',
-  'Git branch',
+  'Git Branch',
   '␣',
   'Text',
 ];

src/lib/prompt.ts

@@ -1,6 +1,6 @@
 import { defineStore, storeToRefs } from 'pinia';
 import { PromptElement, UniquePromptElement } from './promptElement';
-import { PromptElementType, PROMPT_ELEMENT_TYPES } from './enum/promptElementType';
+import { PromptElementType, getPromptElementTypeByNameUnsafe } from './enum/promptElementType';
 
 /**
  * The prompt store holding the global state of the current prompt.
@@ -17,9 +17,7 @@ const prompt = defineStore({
       serialize: (state) =>
         JSON.stringify(state, (key, value) => (key === 'type' ? (value as PromptElementType).name : value)),
       deserialize: (state) =>
-        JSON.parse(state, (key, value) =>
-          key === 'type' ? PROMPT_ELEMENT_TYPES.find((type) => type.name === value) : value,
-        ),
+        JSON.parse(state, (key, value) => (key === 'type' ? getPromptElementTypeByNameUnsafe(value) : value)),
     },
     // we don't want to persist the selected element because it is only used for the UI
     paths: ['elementsIdCounter', 'elements'],

src/lib/promptParser.ts

@@ -1,4 +1,4 @@
-import { PROMPT_ELEMENT_TYPES } from './enum/promptElementType';
+import { PROMPT_ELEMENT_TYPES, getPromptElementTypeByNameUnsafe } from './enum/promptElementType';
 import { ANSI } from './enum/ansi';
 import { PromptElement } from './promptElement';
 import { PropertiesState, defaultPropertiesState } from './promptElementProperties';
@@ -322,14 +322,14 @@ function applyPromptCommand(ps1: PromptElement[], promptCommand: string): Prompt
       // we cannot use the above check for predefined commands because the command string is not constant
 
       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      newElement = new PromptElement(PROMPT_ELEMENT_TYPES.find((e) => e.name === 'Advanced Git Prompt')!);
+      newElement = new PromptElement(getPromptElementTypeByNameUnsafe('Advanced Git Prompt'));
       const formatString = command.match(/__git_ps1\s+"(.*)"/)?.[1];
       if (formatString !== undefined) {
         newElement.parameters.format = formatString;
       }
     } else {
       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      newElement = new PromptElement(PROMPT_ELEMENT_TYPES.find((e) => e.name === 'Command')!);
+      newElement = new PromptElement(getPromptElementTypeByNameUnsafe('Command'));
       newElement.parameters.command = command;
     }
     newElement.foregroundColor = element.foregroundColor;
@@ -386,7 +386,7 @@ export function parsePrompt(ps1: string, promptCommand: string): PromptElement[]
       cursor += 1;
 
       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      const element = new PromptElement(PROMPT_ELEMENT_TYPES.find((e) => e.name === 'Date (formatted)')!);
+      const element = new PromptElement(getPromptElementTypeByNameUnsafe('Date (formatted)'));
       element.parameters.dateformat = dateformat;
       elements.push(applyState(element, propertiesState));
     }
@@ -414,7 +414,7 @@ export function parsePrompt(ps1: string, promptCommand: string): PromptElement[]
       cursor += 1;
 
       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      const element = new PromptElement(PROMPT_ELEMENT_TYPES.find((e) => e.name === 'Command')!);
+      const element = new PromptElement(getPromptElementTypeByNameUnsafe('Command'));
       element.parameters.command = command;
       elements.push(applyState(element, propertiesState));
     }
@@ -449,7 +449,7 @@ export function parsePrompt(ps1: string, promptCommand: string): PromptElement[]
       }
 
       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      const element = new PromptElement(PROMPT_ELEMENT_TYPES.find((e) => e.name === 'Environment Variable')!);
+      const element = new PromptElement(getPromptElementTypeByNameUnsafe('Environment Variable'));
       element.parameters.variable = variableName;
       elements.push(applyState(element, propertiesState));
     }
@@ -458,7 +458,7 @@ export function parsePrompt(ps1: string, promptCommand: string): PromptElement[]
       // we create text elements with single characters only because the next char might be a special character
       // consecutive text elements will be merged later
       // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      const element = new PromptElement(PROMPT_ELEMENT_TYPES.find((e) => e.name === 'Text')!);
+      const element = new PromptElement(getPromptElementTypeByNameUnsafe('Text'));
       element.parameters.text = ps1[cursor];
       elements.push(applyState(element, propertiesState));
       cursor += 1;