refactor(core): separate file writting logic from output adapters

packages/core/src/lib/index.ts

@@ -11,7 +11,12 @@ import {
   normalizePenpotExportUserConfig,
   AssetConfig,
 } from './config'
-import { writeJsonFile, writeCssFile, writeScssFile } from './outputters'
+import {
+  writeTextFile,
+  cssOutputter,
+  scssOutputter,
+  jsonOutputter,
+} from './outputters'
 import { CSSClassDefinition, CSSCustomPropertyDefinition } from './types'
 
 const processOutput = ({
@@ -24,13 +29,13 @@ const processOutput = ({
   content: CSSClassDefinition[] | CSSCustomPropertyDefinition[]
 }) => {
   if (outputFormat === 'css') {
-    return writeCssFile(outputPath, content)
+    return writeTextFile(outputPath, cssOutputter, content)
   }
   if (outputFormat === 'scss') {
-    return writeScssFile(outputPath, content)
+    return writeTextFile(outputPath, scssOutputter, content)
   }
   if (outputFormat === 'json') {
-    return writeJsonFile(outputPath, content)
+    return writeTextFile(outputPath, jsonOutputter, content)
   }
   throw new Error(
     'Unable to process output format. This is an error in penpot-export code, please contact their authors.',

packages/core/src/lib/outputters/css/index.ts

@@ -1,5 +1,10 @@
-import fs from 'node:fs'
-import path from 'node:path'
+import {
+  CSSClassDefinition,
+  CSSCustomPropertyDefinition,
+  isCssClassDefinition,
+} from '../../types'
+
+import { OutputterFunction } from '../types'
 
 import {
   camelToKebab,
@@ -7,12 +12,6 @@ import {
   textToCssCustomPropertyName,
 } from './syntax'
 
-import {
-  CSSClassDefinition,
-  CSSCustomPropertyDefinition,
-  isCssClassDefinition,
-} from '../../types'
-
 const areCssCustomPropertiesDefinitions = (
   objects: Array<object>,
 ): objects is Array<CSSCustomPropertyDefinition> => {
@@ -41,7 +40,7 @@ const serializeCssCustomProperty = (
   return `${padding}${key}: ${value};`
 }
 
-const serializeCss = (
+const serializeCss: OutputterFunction = (
   cssDefinitions: CSSClassDefinition[] | CSSCustomPropertyDefinition[],
 ): string => {
   if (areCssCustomPropertiesDefinitions(cssDefinitions)) {
@@ -55,16 +54,4 @@ const serializeCss = (
   }
 }
 
-export function writeCssFile(
-  outputPath: string,
-  cssDefinitions: CSSClassDefinition[] | CSSCustomPropertyDefinition[],
-) {
-  const css = serializeCss(cssDefinitions)
-  const dirname = path.dirname(outputPath)
-
-  if (!fs.existsSync(dirname)) {
-    fs.mkdirSync(dirname, { recursive: true })
-  }
-
-  fs.writeFileSync(outputPath, css, 'utf-8')
-}
+export default serializeCss

packages/core/src/lib/outputters/index.ts

@@ -1,3 +1,23 @@
-export * from './css'
-export * from './scss'
-export * from './json'
+import fs from 'node:fs'
+import path from 'node:path'
+
+import { OutputterFunction } from './types'
+
+export { default as cssOutputter } from './css'
+export { default as scssOutputter } from './scss'
+export { default as jsonOutputter } from './json'
+
+export function writeTextFile(
+  outputPath: string,
+  outputter: OutputterFunction,
+  ...outputterParams: Parameters<OutputterFunction>
+) {
+  const textContents = outputter(...outputterParams)
+  const dirname = path.dirname(outputPath)
+
+  if (!fs.existsSync(dirname)) {
+    fs.mkdirSync(dirname, { recursive: true })
+  }
+
+  fs.writeFileSync(outputPath, textContents, 'utf-8')
+}

packages/core/src/lib/outputters/json.ts

@@ -1,23 +1,11 @@
-import fs from 'node:fs'
-import path from 'node:path'
 import { CSSClassDefinition, CSSCustomPropertyDefinition } from '../types'
 
-const serializeJson = (
+import { OutputterFunction } from './types'
+
+const serializeJson: OutputterFunction = (
   cssClassDefinitions: CSSClassDefinition[] | CSSCustomPropertyDefinition[],
 ): string => {
   return JSON.stringify(cssClassDefinitions, null, 2)
 }
 
-export function writeJsonFile(
-  outputPath: string,
-  cssClassDefinitions: CSSClassDefinition[] | CSSCustomPropertyDefinition[],
-) {
-  const json = serializeJson(cssClassDefinitions)
-  const dirname = path.dirname(outputPath)
-
-  if (!fs.existsSync(dirname)) {
-    fs.mkdirSync(dirname, { recursive: true })
-  }
-
-  fs.writeFileSync(outputPath, json, 'utf-8')
-}
+export default serializeJson

packages/core/src/lib/outputters/scss/index.ts

@@ -1,6 +1,3 @@
-import fs from 'node:fs'
-import path from 'node:path'
-
 import {
   CSSClassDefinition,
   CSSCustomPropertyDefinition,
@@ -9,6 +6,8 @@ import {
 
 import { camelToKebab } from '../css/syntax'
 
+import { OutputterFunction } from '../types'
+
 import { textToScssVariableName } from './syntax'
 
 const areCssCustomPropertiesDefinitions = (
@@ -40,7 +39,7 @@ const serializeScssVariable = (
   return `${property}: ${value};`
 }
 
-const serializeScss = (
+const serializeScss: OutputterFunction = (
   cssDefinitions: CSSClassDefinition[] | CSSCustomPropertyDefinition[],
 ): string => {
   if (areCssCustomPropertiesDefinitions(cssDefinitions)) {
@@ -53,16 +52,4 @@ const serializeScss = (
   }
 }
 
-export function writeScssFile(
-  outputPath: string,
-  cssDefinitions: CSSClassDefinition[] | CSSCustomPropertyDefinition[],
-) {
-  const css = serializeScss(cssDefinitions)
-  const dirname = path.dirname(outputPath)
-
-  if (!fs.existsSync(dirname)) {
-    fs.mkdirSync(dirname, { recursive: true })
-  }
-
-  fs.writeFileSync(outputPath, css, 'utf-8')
-}
+export default serializeScss

packages/core/src/lib/outputters/types.ts

@@ -0,0 +1,5 @@
+import { CSSClassDefinition, CSSCustomPropertyDefinition } from '../types'
+
+export type OutputterFunction = (
+  cssDefinitions: CSSClassDefinition[] | CSSCustomPropertyDefinition[],
+) => string