Security upgrades

node_modules/jss/src/plugins/simpleRule.js

@@ -0,0 +1,59 @@
+/* @flow */
+import type {
+  CSSCharsetRule,
+  CSSImportRule,
+  CSSNamespaceRule,
+  RuleOptions,
+  JssStyle,
+  ToCssOptions,
+  BaseRule
+} from '../types'
+
+export class SimpleRule implements BaseRule {
+  type = 'simple'
+
+  key: string
+
+  value: string
+
+  options: RuleOptions
+
+  isProcessed: boolean = false
+
+  renderable: ?CSSCharsetRule | CSSImportRule | CSSNamespaceRule
+
+  constructor(key: string, value: string, options: RuleOptions) {
+    this.key = key
+    this.value = value
+    this.options = options
+  }
+
+  /**
+   * Generates a CSS string.
+   */
+  // eslint-disable-next-line no-unused-vars
+  toString(options?: ToCssOptions): string {
+    if (Array.isArray(this.value)) {
+      let str = ''
+      for (let index = 0; index < this.value.length; index++) {
+        str += `${this.key} ${this.value[index]};`
+        if (this.value[index + 1]) str += '\n'
+      }
+      return str
+    }
+
+    return `${this.key} ${this.value};`
+  }
+}
+
+const keysMap = {
+  '@charset': true,
+  '@import': true,
+  '@namespace': true
+}
+
+export default {
+  onCreateRule(key: string, value: JssStyle, options: RuleOptions): SimpleRule | null {
+    return key in keysMap ? new SimpleRule(key, ((value: any): string), options) : null
+  }
+}