1 files changed, 133 insertions, 0 deletions
diff --git a/node_modules/@vue/component-compiler-utils/lib/styleProcessors/index.ts b/node_modules/@vue/component-compiler-utils/lib/styleProcessors/index.ts
new file mode 100644
index 00000000..b458c52e
--- /dev/null
+++ b/node_modules/@vue/component-compiler-utils/lib/styleProcessors/index.ts
@@ -0,0 +1,133 @@
+const merge = require('merge-source-map')
+
+export interface StylePreprocessor {
+  render(
+    source: string,
+    map: any | null,
+    options: any
+  ): StylePreprocessorResults
+}
+
+export interface StylePreprocessorResults {
+  code: string
+  map?: any
+  errors: Array<Error>
+}
+
+// .scss/.sass processor
+const scss: StylePreprocessor = {
+  render(
+    source: string,
+    map: any | null,
+    options: any
+  ): StylePreprocessorResults {
+    const nodeSass = require('node-sass')
+    const finalOptions = Object.assign({}, options, {
+      data: source,
+      file: options.filename,
+      outFile: options.filename,
+      sourceMap: !!map
+    })
+
+    try {
+      const result = nodeSass.renderSync(finalOptions)
+
+      if (map) {
+        return {
+          code: result.css.toString(),
+          map: merge(map, JSON.parse(result.map.toString())),
+          errors: []
+        }
+      }
+
+      return { code: result.css.toString(), errors: [] }
+    } catch (e) {
+      return { code: '', errors: [e] }
+    }
+  }
+}
+
+const sass = {
+  render(
+    source: string,
+    map: any | null,
+    options: any
+  ): StylePreprocessorResults {
+    return scss.render(
+      source,
+      map,
+      Object.assign({}, options, { indentedSyntax: true })
+    )
+  }
+}
+
+// .less
+const less = {
+  render(
+    source: string,
+    map: any | null,
+    options: any
+  ): StylePreprocessorResults {
+    const nodeLess = require('less')
+
+    let result: any
+    let error: Error | null = null
+    nodeLess.render(
+      source,
+      Object.assign({}, options, { syncImport: true }),
+      (err: Error | null, output: any) => {
+        error = err
+        result = output
+      }
+    )
+
+    if (error) return { code: '', errors: [error] }
+
+    if (map) {
+      return {
+        code: result.css.toString(),
+        map: merge(map, result.map),
+        errors: []
+      }
+    }
+
+    return { code: result.css.toString(), errors: [] }
+  }
+}
+
+// .styl
+const styl = {
+  render(
+    source: string,
+    map: any | null,
+    options: any
+  ): StylePreprocessorResults {
+    const nodeStylus = require('stylus')
+    try {
+      const ref = nodeStylus(source)
+      Object.keys(options).forEach(key => ref.set(key, options[key]))
+      if (map) ref.set('sourcemap', { inline: false, comment: false })
+
+      const result = ref.render()
+      if (map) {
+        return {
+          code: result,
+          map: merge(map, ref.sourcemap),
+          errors: []
+        }
+      }
+
+      return { code: result, errors: [] }
+    } catch (e) {
+      return { code: '', errors: [e] }
+    }
+  }
+}
+
+export const processors: { [key: string]: StylePreprocessor } = {
+  less,
+  sass,
+  scss,
+  styl,
+  stylus: styl
+}