com.google.javascript.jscomp.modules.Import Maven / Gradle / Ivy

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Closure Compiler is a JavaScript optimizing compiler. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls. It is used in many of Google's JavaScript apps, including Gmail, Google Web Search, Google Maps, and Google Docs. This binary checks for style issues such as incorrect or missing JSDoc usage, and missing goog.require() statements. It does not do more advanced checks such as typechecking.

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/*
 * Copyright 2018 The Closure Compiler Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.javascript.jscomp.modules;

import com.google.auto.value.AutoValue;
import com.google.javascript.jscomp.deps.ModuleLoader;
import com.google.javascript.rhino.Node;
import javax.annotation.Nullable;

/**
 * An imported name in a module.
 *
 * See the
 * ImportEntry in the ECMAScript spec.
 */
@AutoValue
public abstract class Import {
  // Prevent unwanted subclasses.
  Import() {}

  @AutoValue.Builder
  abstract static class Builder {
    abstract Builder moduleRequest(String value);

    abstract Builder importName(String value);

    abstract Builder localName(String value);

    abstract Builder modulePath(ModuleLoader.ModulePath value);

    abstract Builder importNode(Node value);

    abstract Builder nameNode(Node value);

    abstract Import build();
  }

  static Builder builder() {
    return new AutoValue_Import.Builder();
  }

  /** Returns the module identifier of this import. */
  public abstract String moduleRequest();

  /**
   * Returns the name that was imported from the requested module.
   *
   * For {@code import *} this will return "*".
   */
  public abstract String importName();

  /** Returns the local name the imported value is bound to. */
  public abstract String localName();

  /** Returns the path of the containing module, if from an ES module. */
  @Nullable
  public abstract ModuleLoader.ModulePath modulePath();

  /** Returns the import node for source information. */
  public abstract Node importNode();

  /** Returns the name node for source information. */
  public abstract Node nameNode();
}