Начат фронтенд

node_modules/autoprefixer/lib/selector.js

@@ -1,8 +1,8 @@
 let { list } = require('postcss')
 
-let Browsers = require('./browsers')
 let OldSelector = require('./old-selector')
 let Prefixer = require('./prefixer')
+let Browsers = require('./browsers')
 let utils = require('./utils')
 
 class Selector extends Prefixer {
@@ -12,17 +12,75 @@ class Selector extends Prefixer {
   }
 
   /**
-   * Clone and add prefixes for at-rule
+   * Is rule selectors need to be prefixed
    */
-  add(rule, prefix) {
-    let prefixeds = this.prefixeds(rule)
-
-    if (this.already(rule, prefixeds, prefix)) {
-      return
+  check(rule) {
+    if (rule.selector.includes(this.name)) {
+      return !!rule.selector.match(this.regexp())
     }
 
-    let cloned = this.clone(rule, { selector: prefixeds[this.name][prefix] })
-    rule.parent.insertBefore(rule, cloned)
+    return false
+  }
+
+  /**
+   * Return prefixed version of selector
+   */
+  prefixed(prefix) {
+    return this.name.replace(/^(\W*)/, `$1${prefix}`)
+  }
+
+  /**
+   * Lazy loadRegExp for name
+   */
+  regexp(prefix) {
+    if (!this.regexpCache.has(prefix)) {
+      let name = prefix ? this.prefixed(prefix) : this.name
+      this.regexpCache.set(
+        prefix,
+        new RegExp(`(^|[^:"'=])${utils.escapeRegexp(name)}`, 'gi')
+      )
+    }
+
+    return this.regexpCache.get(prefix)
+  }
+
+  /**
+   * All possible prefixes
+   */
+  possible() {
+    return Browsers.prefixes()
+  }
+
+  /**
+   * Return all possible selector prefixes
+   */
+  prefixeds(rule) {
+    if (rule._autoprefixerPrefixeds) {
+      if (rule._autoprefixerPrefixeds[this.name]) {
+        return rule._autoprefixerPrefixeds
+      }
+    } else {
+      rule._autoprefixerPrefixeds = {}
+    }
+
+    let prefixeds = {}
+    if (rule.selector.includes(',')) {
+      let ruleParts = list.comma(rule.selector)
+      let toProcess = ruleParts.filter(el => el.includes(this.name))
+
+      for (let prefix of this.possible()) {
+        prefixeds[prefix] = toProcess
+          .map(el => this.replace(el, prefix))
+          .join(', ')
+      }
+    } else {
+      for (let prefix of this.possible()) {
+        prefixeds[prefix] = this.replace(rule.selector, prefix)
+      }
+    }
+
+    rule._autoprefixerPrefixeds[this.name] = prefixeds
+    return rule._autoprefixerPrefixeds
   }
 
   /**
@@ -61,14 +119,24 @@ class Selector extends Prefixer {
   }
 
   /**
-   * Is rule selectors need to be prefixed
+   * Replace selectors by prefixed one
    */
-  check(rule) {
-    if (rule.selector.includes(this.name)) {
-      return !!rule.selector.match(this.regexp())
+  replace(selector, prefix) {
+    return selector.replace(this.regexp(), `$1${this.prefixed(prefix)}`)
+  }
+
+  /**
+   * Clone and add prefixes for at-rule
+   */
+  add(rule, prefix) {
+    let prefixeds = this.prefixeds(rule)
+
+    if (this.already(rule, prefixeds, prefix)) {
+      return
     }
 
-    return false
+    let cloned = this.clone(rule, { selector: prefixeds[this.name][prefix] })
+    rule.parent.insertBefore(rule, cloned)
   }
 
   /**
@@ -77,74 +145,6 @@ class Selector extends Prefixer {
   old(prefix) {
     return new OldSelector(this, prefix)
   }
-
-  /**
-   * All possible prefixes
-   */
-  possible() {
-    return Browsers.prefixes()
-  }
-
-  /**
-   * Return prefixed version of selector
-   */
-  prefixed(prefix) {
-    return this.name.replace(/^(\W*)/, `$1${prefix}`)
-  }
-
-  /**
-   * Return all possible selector prefixes
-   */
-  prefixeds(rule) {
-    if (rule._autoprefixerPrefixeds) {
-      if (rule._autoprefixerPrefixeds[this.name]) {
-        return rule._autoprefixerPrefixeds
-      }
-    } else {
-      rule._autoprefixerPrefixeds = {}
-    }
-
-    let prefixeds = {}
-    if (rule.selector.includes(',')) {
-      let ruleParts = list.comma(rule.selector)
-      let toProcess = ruleParts.filter(el => el.includes(this.name))
-
-      for (let prefix of this.possible()) {
-        prefixeds[prefix] = toProcess
-          .map(el => this.replace(el, prefix))
-          .join(', ')
-      }
-    } else {
-      for (let prefix of this.possible()) {
-        prefixeds[prefix] = this.replace(rule.selector, prefix)
-      }
-    }
-
-    rule._autoprefixerPrefixeds[this.name] = prefixeds
-    return rule._autoprefixerPrefixeds
-  }
-
-  /**
-   * Lazy loadRegExp for name
-   */
-  regexp(prefix) {
-    if (!this.regexpCache.has(prefix)) {
-      let name = prefix ? this.prefixed(prefix) : this.name
-      this.regexpCache.set(
-        prefix,
-        new RegExp(`(^|[^:"'=])${utils.escapeRegexp(name)}`, 'gi')
-      )
-    }
-
-    return this.regexpCache.get(prefix)
-  }
-
-  /**
-   * Replace selectors by prefixed one
-   */
-  replace(selector, prefix) {
-    return selector.replace(this.regexp(), `$1${this.prefixed(prefix)}`)
-  }
 }
 
 module.exports = Selector