feat: markdown to html

package-lock.json

@@ -1,11 +1,10 @@
 {
-  "name": "fennec-be",
+  "name": "blog-be",
   "version": "0.0.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "name": "fennec-be",
       "version": "0.0.1",
       "license": "UNLICENSED",
       "dependencies": {
@@ -27,6 +26,7 @@
         "graphql-tools": "^7.0.2",
         "ioredis": "^4.25.0",
         "js-yaml": "^4.0.0",
+        "marked": "^2.1.3",
         "nestjs-redis": "^1.2.8",
         "observable-to-async-generator": "^1.0.1-rc",
         "pg": "^8.5.1",
@@ -43,6 +43,7 @@
         "@nestjs/testing": "^7.6.15",
         "@types/express": "^4.17.8",
         "@types/jest": "^26.0.22",
+        "@types/marked": "^2.0.3",
         "@types/node": "^14.14.41",
         "@types/supertest": "^2.0.11",
         "@typescript-eslint/eslint-plugin": "^4.22.0",
@@ -3392,6 +3393,12 @@
       "resolved": "https://registry.npmjs.org/@types/long/-/long-4.0.1.tgz",
       "integrity": "sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w=="
     },
+    "node_modules/@types/marked": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@types/marked/-/marked-2.0.3.tgz",
+      "integrity": "sha512-lbhSN1rht/tQ+dSWxawCzGgTfxe9DB31iLgiT1ZVT5lshpam/nyOA1m3tKHRoNPctB2ukSL22JZI5Fr+WI/zYg==",
+      "dev": true
+    },
     "node_modules/@types/mime": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.2.tgz",
@@ -10298,6 +10305,17 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/marked": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-2.1.3.tgz",
+      "integrity": "sha512-/Q+7MGzaETqifOMWYEA7HVMaZb4XbcRfaOzcSsHZEith83KGlvaSG33u0SKu89Mj5h+T8V2hM+8O45Qc5XTgwA==",
+      "bin": {
+        "marked": "bin/marked"
+      },
+      "engines": {
+        "node": ">= 10"
+      }
+    },
     "node_modules/media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -18277,6 +18295,12 @@
       "resolved": "https://registry.npmjs.org/@types/long/-/long-4.0.1.tgz",
       "integrity": "sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w=="
     },
+    "@types/marked": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@types/marked/-/marked-2.0.3.tgz",
+      "integrity": "sha512-lbhSN1rht/tQ+dSWxawCzGgTfxe9DB31iLgiT1ZVT5lshpam/nyOA1m3tKHRoNPctB2ukSL22JZI5Fr+WI/zYg==",
+      "dev": true
+    },
     "@types/mime": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.2.tgz",
@@ -23610,6 +23634,11 @@
         "object-visit": "^1.0.0"
       }
     },
+    "marked": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-2.1.3.tgz",
+      "integrity": "sha512-/Q+7MGzaETqifOMWYEA7HVMaZb4XbcRfaOzcSsHZEith83KGlvaSG33u0SKu89Mj5h+T8V2hM+8O45Qc5XTgwA=="
+    },
     "media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",

package.json

@@ -39,6 +39,7 @@
     "graphql-tools": "^7.0.2",
     "ioredis": "^4.25.0",
     "js-yaml": "^4.0.0",
+    "marked": "^2.1.3",
     "nestjs-redis": "^1.2.8",
     "observable-to-async-generator": "^1.0.1-rc",
     "pg": "^8.5.1",
@@ -55,6 +56,7 @@
     "@nestjs/testing": "^7.6.15",
     "@types/express": "^4.17.8",
     "@types/jest": "^26.0.22",
+    "@types/marked": "^2.0.3",
     "@types/node": "^14.14.41",
     "@types/supertest": "^2.0.11",
     "@typescript-eslint/eslint-plugin": "^4.22.0",

src/articles/articles.resolver.ts

@@ -1,8 +1,17 @@
-import { Resolver, Query, Mutation, Args, Int } from '@nestjs/graphql';
+import {
+  Resolver,
+  Query,
+  Mutation,
+  Args,
+  Int,
+  ResolveField,
+  Parent,
+} from '@nestjs/graphql';
 import { ArticlesService } from './articles.service';
 import { Article } from './entities/article.entity';
 import { CreateArticleInput } from './dto/create-article.input';
 import { UpdateArticleInput } from './dto/update-article.input';
+import * as marked from 'marked';
 
 @Resolver(() => Article)
 export class ArticlesResolver {
@@ -16,8 +25,8 @@ export class ArticlesResolver {
   }
 
   @Query(() => [Article], { name: 'articles' })
-  findAll() {
+  async findAll() {
-    return this.articlesService.findAll();
+    return await this.articlesService.findAll();
   }
 
   @Query(() => Article, { name: 'article' })
@@ -37,4 +46,19 @@ export class ArticlesResolver {
   removeArticle(@Args('id', { type: () => String }) id: string) {
     return this.articlesService.remove(id);
   }
+
+  @ResolveField(() => String)
+  async html(@Parent() article: Article) {
+    return marked(article.content);
+  }
+
+  @ResolveField(() => String, { nullable: true })
+  async description(@Parent() article: Article) {
+    const tokens = marked.lexer(article.content);
+    const token = tokens.find((token) =>
+      ['blockquote', 'paragraph'].includes(token.type),
+    ) as { text: string };
+
+    return token?.text;
+  }
 }

src/articles/dto/article-list-item.dto.ts

@@ -0,0 +1,7 @@
+import { ObjectType, OmitType } from '@nestjs/graphql';
+import { Article } from '../entities/article.entity';
+
+@ObjectType()
+export class ArticleListItemDto extends OmitType(Article, [
+  'content',
+] as const) {}