- All files / lib parse.ts -

- 92.31% - Statements - 24/26 -
- 55.56% - Branches - 10/18 -
- 100% - Functions - 4/4 -
- 96% - Lines - 24/25 -
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-  import {
-  RawSourceMap,
-  VueTemplateCompiler,
-  VueTemplateCompilerParseOptions
-} from './types'
- 
-const hash = require('hash-sum')
-const cache = require('lru-cache')(100)
-const { SourceMapGenerator } = require('source-map')
- 
-const splitRE = /\r?\n/g
-const emptyRE = /^(?:\/\/)?\s*$/
- 
-export interface ParseOptions {
-  source: string
-  filename?: string
-  compiler: VueTemplateCompiler
-  compilerParseOptions?: VueTemplateCompilerParseOptions
-  sourceRoot?: string
-  needMap?: boolean
-}
- 
-export interface SFCCustomBlock {
-  type: string
-  content: string
-  attrs: { [key: string]: string | true }
-  start: number
-  end: number
-  map?: RawSourceMap
-}
- 
-export interface SFCBlock extends SFCCustomBlock {
-  lang?: string
-  src?: string
-  scoped?: boolean
-  module?: string | boolean
-}
- 
-export interface SFCDescriptor {
-  template: SFCBlock | null
-  script: SFCBlock | null
-  styles: SFCBlock[]
-  customBlocks: SFCCustomBlock[]
-}
- 
-export function parse(options: ParseOptions): SFCDescriptor {
-  const {
-    source,
-    filename = '',
-    compiler,
-    compilerParseOptions = { pad: 'line' },
-    sourceRoot = process.cwd(),
-    needMap = true
-  } = options
-  const cacheKey = hash(filename + source)
-  let output: SFCDescriptor = cache.get(cacheKey)
-  Iif (output) return output
-  output = compiler.parseComponent(source, compilerParseOptions)
-  Eif (needMap) {
-    Iif (output.script && !output.script.src) {
-      output.script.map = generateSourceMap(
-        filename,
-        source,
-        output.script.content,
-        sourceRoot
-      )
-    }
-    Eif (output.styles) {
-      output.styles.forEach(style => {
-        Eif (!style.src) {
-          style.map = generateSourceMap(
-            filename,
-            source,
-            style.content,
-            sourceRoot
-          )
-        }
-      })
-    }
-  }
-  cache.set(cacheKey, output)
-  return output
-}
- 
-function generateSourceMap(
-  filename: string,
-  source: string,
-  generated: string,
-  sourceRoot: string
-): RawSourceMap {
-  const map = new SourceMapGenerator({
-    file: filename,
-    sourceRoot
-  })
-  map.setSourceContent(filename, source)
-  generated.split(splitRE).forEach((line, index) => {
-    if (!emptyRE.test(line)) {
-      map.addMapping({
-        source: filename,
-        original: {
-          line: index + 1,
-          column: 0
-        },
-        generated: {
-          line: index + 1,
-          column: 0
-        }
-      })
-    }
-  })
-  return map.toJSON()
-}
-