Add support for tags

grammar/task.pegjs

@@ -22,10 +22,36 @@ task = "-" _ "[" status:. "]" _ label:label meta:meta* {
   }; 
 }
 
-label = text:([^⏬🔽🔼⏫🔺➕⏳🛫📅✅❌🔁🏁🆔⛔⏰]*) {
-  return text.join("").trim()
+/**************************************************************************************************************************************/
+
+label = spans:(tag / labelWord / labelWhitespace)* {
+  return spans;
 }
 
+labelWord = word:[^ \t\r⏬🔽🔼⏫🔺➕⏳🛫📅✅❌🔁🏁🆔⛔⏰]+ {
+  return {
+    span: "word",
+    value: word.join("")
+  }
+}
+
+labelWhitespace = whitespace:[ \t\r]+ {
+  return {
+    span: "whitespace",
+    value: whitespace.join("")
+  }
+}
+
+tag = "#" tag:[a-zA-Z0-9-]+ {
+  return {
+    span: "tag",
+    value: tag.join("")
+  }
+}
+
+/**************************************************************************************************************************************/
+
+
 meta = _ @(date / recurrence / delete / priority / dependency / reminder) _
 
 /**************************************************************************************************************************************/

package-lock.json

@@ -9,6 +9,7 @@
       "version": "0.0.1",
       "license": "ISC",
       "dependencies": {
+        "dayjs": "^1.11.13",
         "peggy": "^4.2.0"
       },
       "bin": {
@@ -574,6 +575,12 @@
         "node": "^12.20.0 || >=14"
       }
     },
+    "node_modules/dayjs": {
+      "version": "1.11.13",
+      "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.11.13.tgz",
+      "integrity": "sha512-oaMBel6gjolK862uaPQOVTA7q3TZhuSvuMQAAglQDOWYO9A91IrAOUJEyKVlqJlHE0vq5p5UXxzdPfMH/x6xNg==",
+      "license": "MIT"
+    },
     "node_modules/dir-glob": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",

package.json

@@ -20,6 +20,7 @@
     "typescript": "^5.6.3"
   },
   "dependencies": {
+    "dayjs": "^1.11.13",
     "peggy": "^4.2.0"
   }
 }

src/parser/task.ts

@@ -1,3 +1,4 @@
+import dayjs, { Dayjs } from "dayjs";
 import { ParsedTask, ParsedTaskDate, ParsedTaskDependency, ParsedTaskMeta } from "../types/grammar/task";
 import { Task, TaskPriority } from "../types/task";
 
@@ -15,7 +16,24 @@ export class LazyTask implements Task {
   }
 
   get label(): string {
-    return this.#parsed.label;
+    return this.#parsed.label
+      .filter(x => x.span === 'word' || x.span === 'whitespace')
+      .map(x => x.value)
+      .join("")
+      .trim();
+  }
+
+  get fullLabel(): string {
+    return this.#parsed.label      
+      .map(x => x.span === 'tag' ? `#${x.value}` : x.value)
+      .join("")
+      .trim();
+  }
+
+  get tags(): string[] {
+    return this.#parsed.label      
+      .filter(x => x.span === 'tag')
+      .map(x => x.value);      
   }
 
   get priority(): TaskPriority {
@@ -34,31 +52,37 @@ export class LazyTask implements Task {
     }[priority] as TaskPriority;
   }
 
-  get createdDate(): string|undefined {
-    return this.#dates.find(d => d.type === '➕')?.date;
+  get createdDate(): Dayjs|undefined {
+    return this.#date(this.#dates.find(d => d.type === '➕')?.date);
   }
 
-  get startDate(): string|undefined {
-    return this.#dates.find(d => d.type === '🛫')?.date;
+  #date(string?: string): Dayjs|undefined {
+    return string
+      ? dayjs(string)
+      : undefined;
   }
 
-  get scheduledDate(): string|undefined {
-    return this.#dates.find(d => d.type === '⏳')?.date;
+  get startDate(): Dayjs|undefined {
+    return this.#date(this.#dates.find(d => d.type === '🛫')?.date);
+  }
+
+  get scheduledDate(): Dayjs|undefined {
+    return this.#date(this.#dates.find(d => d.type === '⏳')?.date);
   }
   
-  get dueDate(): string|undefined {
-    return this.#dates.find(d => d.type === '📅')?.date;
+  get dueDate(): Dayjs|undefined {
+    return this.#date(this.#dates.find(d => d.type === '📅')?.date);
   }
 
-  get completedDate(): string|undefined {
-    return this.#dates.find(d => d.type === '✅')?.date;
+  get completedDate(): Dayjs|undefined {
+    return this.#date(this.#dates.find(d => d.type === '✅')?.date);
   }
 
-  get cancelledDate(): string|undefined {
-    return this.#dates.find(d => d.type === '❌')?.date;
+  get cancelledDate(): Dayjs|undefined {
+    return this.#date(this.#dates.find(d => d.type === '❌')?.date);
   }
 
-  get recurrencyRule(): string|undefined {
+  get recurrenceRule(): string|undefined {
     return this.#parsed.meta.find(x => x.feature === 'recurrence')?.rule;
   }
 
@@ -87,17 +111,18 @@ export class LazyTask implements Task {
 
     const items = [
       o("priority", this.priority),
-      o("created", this.createdDate),
-      o("start", this.startDate),
-      o("scheduled", this.scheduledDate),
-      o("due", this.dueDate),
-      o("completed", this.completedDate),
-      o("cancelled", this.cancelledDate),
-      o("recurrence", this.recurrencyRule),
+      o("created", this.createdDate?.format("YYYY-MM-DD")),
+      o("start", this.startDate?.format("YYYY-MM-DD")),
+      o("scheduled", this.scheduledDate?.format("YYYY-MM-DD")),
+      o("due", this.dueDate?.format("YYYY-MM-DD")),
+      o("completed", this.completedDate?.format("YYYY-MM-DD")),
+      o("cancelled", this.cancelledDate?.format("YYYY-MM-DD")),
+      o("recurrence", this.recurrenceRule),
       o("delete", this.onDelete),
       o("id", this.id),
       o("deps", this.dependsOn.join(",")),
-      o("reminder", this.reminder)
+      o("reminder", this.reminder),
+      o("tags", this.tags.join(","))
     ];
 
     return `- [${this.status}] ${this.label} {${items.filter(x => x.length > 0).join(", ")}}`;

src/types/grammar/task.ts

@@ -8,10 +8,15 @@ export type ParseResult = {
 
 export type ParsedTask = {
   status: string;
-  label: string;
+  label: ParsedTaskLabel[];
   meta: ParsedTaskMeta[];
 }
 
+export type ParsedTaskLabel = {
+  span: 'word'|'whitespace'|'tag';
+  value: string
+};
+
 export type ParsedTaskMeta = 
   | ParsedTaskPriority 
   | ParsedTaskRecurrence 

src/types/task.ts

@@ -1,14 +1,18 @@
+import { Dayjs } from "dayjs";
+
 export type Task = {
   status: string;
   label: string;
+  fullLabel: string;
+  tags: string[];
   priority: TaskPriority;
-  createdDate?: string;
-  startDate?: string;
-  scheduledDate?: string;
-  dueDate?: string;
-  completedDate?: string;
-  cancelledDate?: string;
-  recurrencyRule?: string;
+  createdDate?: Dayjs;
+  startDate?: Dayjs;
+  scheduledDate?: Dayjs;
+  dueDate?: Dayjs;
+  completedDate?: Dayjs;
+  cancelledDate?: Dayjs;
+  recurrenceRule?: string;
   onDelete?: string;
   id?: string;
   dependsOn?: string[];