chushihua

node_modules/vue-loader/lib/selector.js

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+// this is a utility loader that takes a *.vue file, parses it and returns
+// the requested language block, e.g. the content inside <template>, for
+// further processing.
+
+const path = require('path')
+const parse = require('./parser')
+const loaderUtils = require('loader-utils')
+
+module.exports = function (content) {
+  this.cacheable()
+  const query = loaderUtils.getOptions(this) || {}
+  const context = (this._compiler && this._compiler.context) || this.options.context || process.cwd()
+  let filename = path.basename(this.resourcePath)
+  filename = filename.substring(0, filename.lastIndexOf(path.extname(filename))) + '.vue'
+  const sourceRoot = path.dirname(path.relative(context, this.resourcePath))
+  const parts = parse(content, filename, this.sourceMap, sourceRoot)
+  let part = parts[query.type]
+  if (Array.isArray(part)) {
+    part = part[query.index]
+  }
+  this.callback(null, part.content, part.map)
+}