chore: don’t use ASTs anymore

README.md

@@ -39,7 +39,7 @@ const snippet = snippetz().get(
 
 ## API
 
-### Generate an abstract tree (AST)
+### Generate a snippet
 
 ```js
 import { undici } from '@scalar/snippetz-plugin-undici'
@@ -48,18 +48,7 @@ const source = undici({
   url: 'https://example.com'
 })
 
-console.log(source)
-```
-
-### Print the source code
-
-```js
-import { print } from '@scalar/snippetz'
-
-console.log(print({
-  target: 'js',
-  tree: …
-}))
+console.log(source.code)
 ```
 
 ### Format the source code
@@ -69,7 +58,7 @@ import { format } from '@scalar/snippetz'
 
 console.log(format({
   target: 'js',
-  tree: …
+  code: `const   answer= 42 ;`
 }))
 ```
 

packages/snippetz-plugin-undici/package.json

@@ -15,8 +15,6 @@
     "vitest": "^1.0.4"
   },
   "dependencies": {
-    "acorn": "^8.11.2",
-    "astring": "^1.8.6",
     "prettier": "^3.1.1",
     "@scalar/snippetz": "workspace:*"
   },

packages/snippetz-plugin-undici/src/undici.test.ts

@@ -1,23 +1,24 @@
 import { expect, describe, it } from 'vitest'
 import { undici } from './undici'
-import { print } from '@scalar/snippetz'
 
 describe('undici', () => {
   it('has import', () => {
     const source = undici({
       url: 'https://example.com',
     })
 
-    expect(print(source)).toContain(`import {request} from "undici"`)
+    expect(source.code).toContain(`import { request } from "undici"`)
   })
 
   it('returns a basic request', () => {
     const source = undici({
       url: 'https://example.com',
     })
 
-    expect(print(source)).toBe(`import {request} from "undici";
-const {statusCode, headers, body} = await request("https://example.com");
+    expect(source.code).toBe(`import { request } from "undici"
+
+const { statusCode, headers, body } = await request("https://example.com")
+
 `)
   })
 
@@ -27,10 +28,12 @@ const {statusCode, headers, body} = await request("https://example.com");
       method: 'post',
     })
 
-    expect(print(source)).toBe(`import {request} from "undici";
-const {statusCode, headers, body} = await request("https://example.com", {
+    expect(source.code).toBe(`import { request } from "undici"
+
+const { statusCode, headers, body } = await request("https://example.com", {
   "method": "POST"
-});
+})
+
 `)
   })
 
@@ -45,12 +48,14 @@ const {statusCode, headers, body} = await request("https://example.com", {
       ],
     })
 
-    expect(print(source)).toBe(`import {request} from "undici";
-const {statusCode, headers, body} = await request("https://example.com", {
+    expect(source.code).toBe(`import { request } from "undici"
+
+const { statusCode, headers, body } = await request("https://example.com", {
   "headers": {
     "Content-Type": "application/json"
   }
-});
+})
+
 `)
   })
 
@@ -71,15 +76,17 @@ const {statusCode, headers, body} = await request("https://example.com", {
       },
     })
 
-    expect(print(source)).toBe(`import {request} from "undici";
-const {statusCode, headers, body} = await request("https://example.com", {
+    expect(source.code).toBe(`import { request } from "undici"
+
+const { statusCode, headers, body } = await request("https://example.com", {
   "headers": {
     "Content-Type": "application/json"
   },
   "body": {
     "hello": "world"
   }
-});
+})
+
 `)
   })
 
@@ -104,12 +111,14 @@ const {statusCode, headers, body} = await request("https://example.com", {
       ],
     })
 
-    expect(print(source)).toBe(`import {request} from "undici";
-const {statusCode, headers, body} = await request("https://example.com?foo=bar&bar=foo", {
+    expect(source.code).toBe(`import { request } from "undici"
+
+const { statusCode, headers, body } = await request("https://example.com?foo=bar&bar=foo", {
   "headers": {
     "Content-Type": "application/json"
   }
-});
+})
+
 `)
   })
 
@@ -128,12 +137,14 @@ const {statusCode, headers, body} = await request("https://example.com?foo=bar&b
       ],
     })
 
-    expect(print(source)).toBe(`import {request} from "undici";
-const {statusCode, headers, body} = await request("https://example.com", {
+    expect(source.code).toBe(`import { request } from "undici"
+
+const { statusCode, headers, body } = await request("https://example.com", {
   "headers": {
     "Set-Cookie": "foo=bar; bar=foo"
   }
-});
+})
+
 `)
   })
 })

packages/snippetz-plugin-undici/src/undici.ts

@@ -1,5 +1,3 @@
-import { Parser } from 'acorn'
-
 import type { Request } from 'har-format'
 
 /** Helper function to map { name: 'foo', value: 'bar' } to { foo: 'bar' } */
@@ -78,9 +76,7 @@ export function undici(request: Partial<Request>) {
     : ''
 
   // Code Template
-  const code = `
-
-import { request } from "undici"
+  const code = `import { request } from "undici"
 
 const { statusCode, headers, body } = await request("${normalizedRequest.url}${queryString}"${jsonOptions})
 
@@ -89,10 +85,6 @@ const { statusCode, headers, body } = await request("${normalizedRequest.url}${q
   // Create an AST
   return {
     target: 'js',
-    tree: Parser.parse(code, {
-      ecmaVersion: 2022,
-      locations: false,
-      sourceType: 'module',
-    }),
+    code,
   }
 }

packages/snippetz/package.json

@@ -13,8 +13,6 @@
     "vitest": "^1.0.4"
   },
   "dependencies": {
-    "acorn": "^8.11.2",
-    "astring": "^1.8.6",
     "prettier": "^3.1.1"
   },
   "files": [

packages/snippetz/src/format.test.ts

@@ -1,35 +1,12 @@
 import { expect, describe, it } from 'vitest'
 import { format } from './format'
 
-const tree = {
-  type: 'Program',
-  body: [
-    {
-      type: 'VariableDeclaration',
-      declarations: [
-        {
-          type: 'VariableDeclarator',
-          id: {
-            type: 'Identifier',
-            name: 'answer',
-          },
-          init: {
-            type: 'Literal',
-            value: 42,
-          },
-        },
-      ],
-      kind: 'const',
-    },
-  ],
-}
-
 describe('format', async () => {
   it('formats basic JS', async () => {
     expect(
       await format({
         target: 'js',
-        tree,
+        code: 'const    answer=42',
       })
     ).toBe(`const answer = 42\n`)
   })

packages/snippetz/src/format.ts

@@ -1,11 +1,10 @@
 import * as prettier from 'prettier'
-import { print } from './print'
 
 export async function format(source: any) {
   const target = source.target
 
   if (target === 'js') {
-    return await prettier.format(print(source), {
+    return await prettier.format(source.code, {
       semi: false,
       parser: 'babel',
       singleQuote: true,

packages/snippetz/src/index.ts

@@ -1,3 +1,2 @@
 export * from './format'
-export * from './print'
 export * from './snippetz'

packages/snippetz/src/snippetz.test.ts

@@ -1,34 +1,11 @@
 import { expect, describe, it } from 'vitest'
 import { snippetz } from './snippetz'
 
-const tree = {
-  type: 'Program',
-  body: [
-    {
-      type: 'VariableDeclaration',
-      declarations: [
-        {
-          type: 'VariableDeclarator',
-          id: {
-            type: 'Identifier',
-            name: 'answer',
-          },
-          init: {
-            type: 'Literal',
-            value: 42,
-          },
-        },
-      ],
-      kind: 'const',
-    },
-  ],
-}
-
 describe('snippetz', async () => {
   it('formats basic JS', async () => {
     const snippet = await snippetz().get({
       target: 'js',
-      tree,
+      code: 'const    answer=42',
     })
 
     expect(snippet).toBe(`const answer = 42\n`)

packages/snippetz/src/snippetz.ts

@@ -1,13 +1,8 @@
 import { format } from './format'
-import { print } from './print'
 
-export type SnippetOptions = {
-  format: boolean
-}
+export type SnippetOptions = {}
 
-const defaultOptions = {
-  format: true,
-}
+const defaultOptions = {}
 
 export function snippetz() {
   return {
@@ -17,7 +12,7 @@ export function snippetz() {
         ...options,
       }
 
-      return options.format ? format(source) : print(source)
+      return format(source)
     },
   }
 }