@playlyfe/babel-loader/lib/utils/babel-config-cache-identifier/find-file-imports/babel-plugin-find-imports.js

babel module loader for webpack

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getImportsFromMetadata = getImportsFromMetadata;
exports.default = void 0;

var _helperPluginUtils = require("@babel/helper-plugin-utils");

var _default = (0, _helperPluginUtils.declare)(api => {
  api.assertVersion(7);
  return {
    visitor: {
      ImportDeclaration(path, state) {
        const sourceNode = path.get('source').node;
        addImportToMetadata(state, sourceNode.value);
      },

      CallExpression(path, state) {
        const callee = path.get('callee');

        if (callee.isIdentifier() && callee.node.name === 'require') {
          const arg = path.get('arguments.0');

          if (arg.isStringLiteral()) {
            addImportToMetadata(state, arg.node.value);
          }
        }
      }

    }
  };
});

exports.default = _default;

function addImportToMetadata(state, importStr) {
  const {
    metadata
  } = state.file;

  if (!metadata.findImports) {
    metadata.findImports = {
      imports: []
    };
  }

  metadata.findImports.imports.push(importStr);
}

function getImportsFromMetadata(metadata) {
  if (!metadata.findImports) {
    return [];
  }

  return metadata.findImports.imports;
}