- All files / lib compileStyle.ts -

- 93.33% - Statements - 28/30 -
- 87.5% - Branches - 28/32 -
- 83.33% - Functions - 5/6 -
- 93.33% - Lines - 28/30 -
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-  const postcss = require('postcss')
-import { ProcessOptions, LazyResult } from 'postcss'
-import trimPlugin from './stylePlugins/trim'
-import scopedPlugin from './stylePlugins/scoped'
-import {
-  processors,
-  StylePreprocessor,
-  StylePreprocessorResults
-} from './styleProcessors'
- 
-export interface StyleCompileOptions {
-  source: string
-  filename: string
-  id: string
-  map?: any
-  scoped?: boolean
-  trim?: boolean
-  preprocessLang?: string
-  preprocessOptions?: any
-  postcssOptions?: any
-  postcssPlugins?: any[]
-}
- 
-export interface AsyncStyleCompileOptions extends StyleCompileOptions {
-  isAsync?: boolean
-}
- 
-export interface StyleCompileResults {
-  code: string
-  map: any | void
-  rawResult: LazyResult | void
-  errors: string[]
-}
- 
-export function compileStyle(
-  options: StyleCompileOptions
-): StyleCompileResults {
-  return doCompileStyle({ ...options, isAsync: false })
-}
- 
-export function compileStyleAsync(
-  options: StyleCompileOptions
-): Promise<StyleCompileResults> {
-  return Promise.resolve(doCompileStyle({ ...options, isAsync: true }))
-}
- 
-export function doCompileStyle(
-  options: AsyncStyleCompileOptions
-): StyleCompileResults {
-  const {
-    filename,
-    id,
-    scoped = true,
-    trim = true,
-    preprocessLang,
-    postcssOptions,
-    postcssPlugins
-  } = options
-  const preprocessor = preprocessLang && processors[preprocessLang]
-  const preProcessedSource = preprocessor && preprocess(options, preprocessor)
-  const map = preProcessedSource ? preProcessedSource.map : options.map
-  const source = preProcessedSource ? preProcessedSource.code : options.source
- 
-  const plugins = (postcssPlugins || []).slice()
-  Eif (trim) {
-    plugins.push(trimPlugin())
-  }
-  if (scoped) {
-    plugins.push(scopedPlugin(id))
-  }
- 
-  const postCSSOptions: ProcessOptions = {
-    ...postcssOptions,
-    to: filename,
-    from: filename
-  }
-  if (map) {
-    postCSSOptions.map = {
-      inline: false,
-      annotation: false,
-      prev: map
-    }
-  }
- 
-  let result, code, outMap
-  const errors: any[] = []
-  Iif (preProcessedSource && preProcessedSource.errors.length) {
-    errors.push(...preProcessedSource.errors)
-  }
-  try {
-    result = postcss(plugins).process(source, postCSSOptions)
- 
-    // In async mode, return a promise.
-    if (options.isAsync) {
-      return result
-        .then(
-          (result: LazyResult): StyleCompileResults => ({
-            code: result.css || '',
-            map: result.map && result.map.toJSON(),
-            errors,
-            rawResult: result
-          })
-        )
-        .catch(
-          (error: Error): StyleCompileResults => ({
-            code: '',
-            map: undefined,
-            errors: [...errors, error.message],
-            rawResult: undefined
-          })
-        )
-    }
- 
-    // force synchronous transform (we know we only have sync plugins)
-    code = result.css
-    outMap = result.map
-  } catch (e) {
-    errors.push(e)
-  }
- 
-  return {
-    code: code || ``,
-    map: outMap && outMap.toJSON(),
-    errors,
-    rawResult: result
-  }
-}
- 
-function preprocess(
-  options: StyleCompileOptions,
-  preprocessor: StylePreprocessor
-): StylePreprocessorResults {
-  return preprocessor.render(
-    options.source,
-    options.map,
-    Object.assign(
-      {
-        filename: options.filename
-      },
-      options.preprocessOptions
-    )
-  )
-}
-