dev-five-git · owjs3901 · Mar 14, 2026 · Mar 14, 2026
diff --git a/src/codegen/Codegen.ts b/src/codegen/Codegen.ts
@@ -457,17 +457,24 @@ export class Codegen {
       // Multiple SLOTs → render each as a named JSX prop (renders as <Comp header={<X/>} content={<Y/>} />)
       let slotChildren: NodeTree[] = []
       if (slotsByName.size === 1) {
-        slotChildren = [...slotsByName.values()][0]
+        const firstSlot = slotsByName.values().next().value
+        if (firstSlot) {
+          slotChildren = firstSlot
+        }
       } else if (slotsByName.size > 1) {
         for (const [slotName, content] of slotsByName) {
           let jsx: string
           if (content.length === 1) {
             jsx = Codegen.renderTree(content[0], 0)
           } else {
-            const children = content.map((c) => Codegen.renderTree(c, 0))
-            const childrenStr = children
-              .map((c) => paddingLeftMultiline(c, 1))
-              .join('\n')
+            let childrenStr = ''
+            for (let i = 0; i < content.length; i++) {
+              if (i > 0) childrenStr += '\n'
+              childrenStr += paddingLeftMultiline(
+                Codegen.renderTree(content[i], 0),
+                1,
+              )
+            }
             jsx = `<>\n${childrenStr}\n</>`
           }
           variantProps[slotName] = { __jsxSlot: true, jsx }
@@ -776,9 +783,10 @@ export class Codegen {
     if (tree.textChildren && tree.textChildren.length > 0) {
       result = renderNode(tree.component, tree.props, depth, tree.textChildren)
     } else {
-      const childrenCodes = tree.children.map((child) =>
-        Codegen.renderTree(child, 0),
-      )
+      const childrenCodes: string[] = []
+      for (const child of tree.children) {
+        childrenCodes.push(Codegen.renderTree(child, 0))
+      }
       result = renderNode(tree.component, tree.props, depth, childrenCodes)
     }
 

diff --git a/src/codegen/render/index.ts b/src/codegen/render/index.ts
@@ -31,9 +31,11 @@ export function renderNode(
     (hasChildren ? '>' : '/>')
   }`
   if (hasChildren) {
-    const children = childrenCodes
-      .map((child) => paddingLeftMultiline(child, deps + 1))
-      .join('\n')
+    let children = ''
+    for (let i = 0; i < childrenCodes.length; i++) {
+      if (i > 0) children += '\n'
+      children += paddingLeftMultiline(childrenCodes[i], deps + 1)
+    }
     result += `\n${children}\n${space(deps)}</${component}>`
   }
   return result

diff --git a/src/codegen/responsive/__tests__/mergePropsToResponsive.test.ts b/src/codegen/responsive/__tests__/mergePropsToResponsive.test.ts
@@ -1,6 +1,8 @@
 import { describe, expect, it } from 'bun:test'
 import {
   type BreakpointKey,
+  groupChildrenByBreakpoint,
+  groupNodesByName,
   mergePropsToResponsive,
   type Props,
 } from '../index'
@@ -233,3 +235,36 @@ describe('mergePropsToResponsive', () => {
     })
   })
 })
+
+describe('responsive grouping helpers', () => {
+  it('groups children by breakpoint without reallocating existing buckets', () => {
+    const children = [
+      { width: 320, name: 'mobile-a' },
+      { width: 360, name: 'mobile-b' },
+      { width: 1200, name: 'desktop-a' },
+    ] as unknown as SceneNode[]
+
+    const groups = groupChildrenByBreakpoint(children)
+
+    expect(groups.get('mobile')?.map((child) => child.name)).toEqual([
+      'mobile-a',
+      'mobile-b',
+    ])
+    expect(groups.get('lg')?.map((child) => child.name)).toEqual(['desktop-a'])
+  })
+
+  it('groups nodes by name across breakpoints', () => {
+    const breakpointNodes = new Map<BreakpointKey, SceneNode[]>([
+      [
+        'mobile',
+        [{ name: 'Card' } as SceneNode, { name: 'Badge' } as SceneNode],
+      ],
+      ['pc', [{ name: 'Card' } as SceneNode]],
+    ])
+
+    const groups = groupNodesByName(breakpointNodes)
+
+    expect(groups.get('Card')).toHaveLength(2)
+    expect(groups.get('Badge')).toHaveLength(1)
+  })
+})
diff --git a/src/codegen/responsive/index.ts b/src/codegen/responsive/index.ts
@@ -54,9 +54,12 @@ export function groupChildrenByBreakpoint(
   for (const child of children) {
     if ('width' in child) {
       const breakpoint = getBreakpointByWidth(child.width)
-      const group = groups.get(breakpoint) || []
-      group.push(child)
-      groups.set(breakpoint, group)
+      const group = groups.get(breakpoint)
+      if (group) {
+        group.push(child)
+      } else {
+        groups.set(breakpoint, [child])
+      }
     }
   }
 
@@ -368,9 +371,12 @@ export function groupNodesByName(
   for (const [breakpoint, nodes] of breakpointNodes) {
     for (const node of nodes) {
       const name = node.name
-      const group = result.get(name) || []
-      group.push({ breakpoint, node, props: {} })
-      result.set(name, group)
+      const group = result.get(name)
+      if (group) {
+        group.push({ breakpoint, node, props: {} })
+      } else {
+        result.set(name, [{ breakpoint, node, props: {} }])
+      }
     }
   }
 
@@ -525,13 +531,15 @@ export function mergePropsToVariant(
     } else {
       // Filter out null values from the variant object
       const filteredValues: Record<string, PropValue> = {}
+      let filteredCount = 0
       for (const variant in valuesByVariant) {
         const value = valuesByVariant[variant]
         if (value !== null) {
           filteredValues[variant] = value
+          filteredCount++
         }
       }
-      if (Object.keys(filteredValues).length > 0) {
+      if (filteredCount > 0) {
         result[key] = createVariantPropValue(variantKey, filteredValues)
       }
     }

diff --git a/src/commands/__tests__/exportComponents.test.ts b/src/commands/__tests__/exportComponents.test.ts
@@ -11,21 +11,31 @@ import {
 import * as downloadFileModule from '../../utils/download-file'
 import { exportComponents } from '../exportComponents'
 
+const zipFileMock = mock(
+  (_name: string, _data: unknown, _options?: unknown) => {},
+)
+const zipGenerateAsyncMock = mock((_options?: unknown) =>
+  Promise.resolve(new Uint8Array([1, 2, 3])),
+)
+
 // mock jszip
 mock.module('jszip', () => ({
   default: class JSZipMock {
     files: Record<string, unknown> = {}
-    file(name: string, data: unknown) {
+    file(name: string, data: unknown, options?: unknown) {
+      zipFileMock(name, data, options)
       this.files[name] = data
     }
-    async generateAsync() {
-      return new Uint8Array([1, 2, 3])
+    async generateAsync(options?: unknown) {
+      return zipGenerateAsyncMock(options)
     }
   },
 }))
 
 const runMock = mock(() => Promise.resolve())
-const getComponentsCodesMock = mock(() => ({}))
+const getComponentsCodesMock = mock(
+  (): ReadonlyArray<readonly [string, string]> => [],
+)
 
 mock.module('../codegen/Codegen', () => ({
   Codegen: class {
@@ -127,6 +137,8 @@ describe('exportComponents', () => {
     downloadFileMock.mockClear()
     runMock.mockClear()
     getComponentsCodesMock.mockClear()
+    zipFileMock.mockClear()
+    zipGenerateAsyncMock.mockClear()
   })
 
   test('should notify and return if no components found', async () => {
@@ -137,7 +149,7 @@ describe('exportComponents', () => {
       (globalThis as { figma?: { currentPage?: { selection?: SceneNode[] } } })
         .figma?.currentPage as { selection: SceneNode[] }
     ).selection = [node]
-    getComponentsCodesMock.mockReturnValueOnce({})
+    getComponentsCodesMock.mockReturnValueOnce([])
     await exportComponents()
     expect(notifyMock).toHaveBeenCalledWith('No components found')
   })
@@ -156,7 +168,7 @@ describe('exportComponents', () => {
       (globalThis as { figma?: { currentPage?: { selection?: SceneNode[] } } })
         .figma?.currentPage as { selection: SceneNode[] }
     ).selection = [node]
-    getComponentsCodesMock.mockReturnValueOnce({})
+    getComponentsCodesMock.mockReturnValueOnce([])
     await exportComponents()
     expect(downloadFileMock).not.toHaveBeenCalled()
   })
@@ -192,14 +204,25 @@ describe('exportComponents', () => {
       (globalThis as { figma?: { currentPage?: { selection?: SceneNode[] } } })
         .figma?.currentPage as { selection: SceneNode[] }
     ).selection = [node]
-    getComponentsCodesMock.mockReturnValueOnce({
-      Component: [['Component.tsx', '<Component />']],
-    })
+    getComponentsCodesMock.mockReturnValueOnce([
+      ['Component.tsx', '<Component />'],
+    ])
     await exportComponents()
     expect(downloadFileMock).toHaveBeenCalledWith(
       'TestPage.zip',
       expect.any(Uint8Array),
     )
+    expect(zipFileMock).toHaveBeenCalledWith(
+      expect.any(String),
+      expect.any(String),
+      { compression: 'DEFLATE' },
+    )
+    expect(zipGenerateAsyncMock).toHaveBeenCalledWith({
+      type: 'uint8array',
+      compression: 'DEFLATE',
+      compressionOptions: { level: 1 },
+      streamFiles: true,
+    })
     expect(notifyMock).toHaveBeenCalledWith(
       'Components exported',
       expect.any(Object),

diff --git a/src/commands/__tests__/exportPagesAndComponents.test.ts b/src/commands/__tests__/exportPagesAndComponents.test.ts
@@ -347,4 +347,14 @@ describe('generateImportStatements', () => {
     const result = generateImportStatements([['Test', '<Box />']])
     expect(result.endsWith('\n\n')).toBe(true)
   })
+
+  test('should return the same imports across repeated calls', () => {
+    const components = [
+      ['Test', '<Box><CustomButton /><Flex /></Box>'],
+    ] as const
+    const first = generateImportStatements(components)
+    const second = generateImportStatements(components)
+
+    expect(second).toBe(first)
+  })
 })
diff --git a/src/commands/devup/__tests__/import-devup.test.ts b/src/commands/devup/__tests__/import-devup.test.ts
@@ -42,6 +42,7 @@ describe('import-devup (standalone file)', () => {
         }) as unknown as Variable,
     )
     const addMode = mock((name: string) => `${name}-id`)
+    const getLocalVariablesAsync = mock(() => Promise.resolve([] as Variable[]))
     const collection = {
       modes: [] as { modeId: string; name: string }[],
       addMode,
@@ -60,7 +61,7 @@ describe('import-devup (standalone file)', () => {
       util: { rgba: (v: unknown) => v },
       variables: {
         getLocalVariableCollectionsAsync: async () => [],
-        getLocalVariablesAsync: async () => [],
+        getLocalVariablesAsync,
         createVariableCollection: () => collection,
         createVariable,
       },
@@ -72,6 +73,7 @@ describe('import-devup (standalone file)', () => {
     await importDevup('excel')
 
     expect(addMode).toHaveBeenCalledWith('Light')
+    expect(getLocalVariablesAsync).toHaveBeenCalledTimes(1)
     expect(setValueForMode).toHaveBeenCalledWith('Light-id', '#111111')
     expect(createTextStyle).toHaveBeenCalled()
     expect(loadFontAsync).toHaveBeenCalled()

diff --git a/src/commands/devup/import-devup.ts b/src/commands/devup/import-devup.ts
@@ -24,20 +24,34 @@ async function importColors(devup: Devup) {
   const collection =
     (await getDevupColorCollection()) ??
     (await figma.variables.createVariableCollection('Devup Colors'))
+  const variables = await figma.variables.getLocalVariablesAsync()
+  const variablesByName = new Map<string, Variable>()
+  for (const variable of variables) {
+    if (!variablesByName.has(variable.name)) {
+      variablesByName.set(variable.name, variable)
+    }
+  }
+  const modeIdsByName = new Map(
+    collection.modes.map((mode) => [mode.name, mode.modeId] as const),
+  )
 
   const themes = new Set<string>()
   const colorNames = new Set<string>()
 
   for (const [theme, value] of Object.entries(colors)) {
-    const modeId =
-      collection.modes.find((mode) => mode.name === theme)?.modeId ??
-      collection.addMode(theme)
+    let modeId = modeIdsByName.get(theme)
+    if (!modeId) {
+      modeId = collection.addMode(theme)
+      modeIdsByName.set(theme, modeId)
+    }
 
-    const variables = await figma.variables.getLocalVariablesAsync()
     for (const [colorKey, colorValue] of Object.entries(value)) {
-      const variable =
-        variables.find((variable) => variable.name === colorKey) ??
-        figma.variables.createVariable(colorKey, collection, 'COLOR')
+      let variable = variablesByName.get(colorKey)
+      if (!variable) {
+        variable = figma.variables.createVariable(colorKey, collection, 'COLOR')
+        variablesByName.set(colorKey, variable)
+        variables.push(variable)
+      }
 
       variable.setValueForMode(modeId, figma.util.rgba(colorValue))
       colorNames.add(colorKey)
@@ -51,8 +65,8 @@ async function importColors(devup: Devup) {
     collection.removeMode(theme.modeId)
   }
 
-  const variables = await figma.variables.getLocalVariablesAsync()
-  for (const variable of variables.filter((v) => !colorNames.has(v.name))) {
+  for (const variable of variables) {
+    if (colorNames.has(variable.name)) continue
     variable.remove()
   }
 }

diff --git a/src/commands/exportComponents.ts b/src/commands/exportComponents.ts
@@ -4,21 +4,26 @@ import { Codegen } from '../codegen/Codegen'
 import { downloadFile } from '../utils/download-file'
 
 const NOTIFY_TIMEOUT = 3000
+const ZIP_TEXT_FILE_OPTIONS = { compression: 'DEFLATE' as const }
+const ZIP_GENERATE_OPTIONS = {
+  type: 'uint8array' as const,
+  compression: 'DEFLATE' as const,
+  compressionOptions: { level: 1 },
+  streamFiles: true,
+}
 
 export async function exportComponents() {
   try {
     figma.notify('Exporting components...')
-    const elements = await Promise.all(
-      figma.currentPage.selection.map(async (node) => new Codegen(node)),
+    const elements = figma.currentPage.selection.map(
+      (node) => new Codegen(node),
     )
     await Promise.all(elements.map((element) => element.run()))
 
-    const components = await Promise.all(
-      elements.map((element) => element.getComponentsCodes()),
-    )
+    const components = elements.map((element) => element.getComponentsCodes())
 
     const componentCount = components.reduce(
-      (acc, component) => acc + Object.keys(component).length,
+      (acc, component) => acc + component.length,
       0,
     )
 
@@ -31,17 +36,15 @@ export async function exportComponents() {
       timeout: NOTIFY_TIMEOUT,
     })
     const zip = new JSZip()
-    for (const component of components) {
-      for (const [_, codeList] of Object.entries(component)) {
-        for (const [name, code] of codeList) {
-          zip.file(name, code)
-        }
+    for (const codeList of components) {
+      for (const [name, code] of codeList) {
+        zip.file(name, code, ZIP_TEXT_FILE_OPTIONS)
       }
     }
 
     await downloadFile(
       `${figma.currentPage.name}.zip`,
-      await zip.generateAsync({ type: 'uint8array' }),
+      await zip.generateAsync(ZIP_GENERATE_OPTIONS),
     )
     figma.notify('Components exported', {
       timeout: NOTIFY_TIMEOUT,