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• vidact-master
  • src
    • __tests__
      • utils.ts
    • utils
      • runtimeHelpers.ts
      • isNativeTag.ts
      • variableNames.ts
      • annotations.ts
      • VariableStatementDependencyManager.ts
    • astExplorer
      • __tests__
        • getStatementUpdaterIdentifier.test.ts
        • isComponent.test.ts
        • getImpactfulIdentifiers.test.ts
        • visitJSXEelemnt.test.ts
      • isComponent.ts
      • getStatementUpdaterIdentifier.ts
      • getImpactfulIdentifiers.ts
      • visitJSXElement.ts
    • astUtils
      • getLeftMostMemberExpression.ts
    • astTransformer
      • declarationToAssignment.ts
      • __tests__
        • declarationToAssignment.test.ts
      • normalizeUseEffect.ts
      • scanHooks.ts
      • ensureArrowFunctionBlockStatement.ts
      • normalizeUseRef.ts
      • addHookDependencyCheck.ts
      • normalizeUseMemo.ts
      • scanUpdatableValues.ts
      • normalizePropDefinition.ts
      • scanDeepDependencies.ts
      • normalizeObjectPatternAssignment.ts
      • separateVariableDeclarations.ts
    • index.ts
    • astGenerator
      • createUpdatableUpdater.ts
      • __tests__
        • createStatementUpdater.test.ts
        • createStateDefinition.test.ts
        • elementDefinitions.test.ts
        • createUpdatableUpdater.test.ts
      • createStatementUpdater.ts
      • elementDefinitions.ts
      • createStateDefinition.ts
    • runtime
      • createText.js
      • consolidateExecuters.js
      • append.js
      • setContent.js
      • addPropTransaction.js
      • createElement.js
      • index.js
      • propUpdater.js
    • plugin.ts
    • constants.ts
  • jest.config.js
  • LICENSE
  • .travis.yml
  • README.md
  • tsconfig.release.json
  • package.json
  • tsconfig.json
  • .gitignore
  • docs
    • src
      • utils
        • transformCode.js
      • styles.css
      • components
        • Repl.css
        • App.js
        • CodeInput.js
        • Repl.js
        • App.css
        • CodeInput.css
      • index.js
      • assets
        • index.html
        • repl_iframe.html
    • fs.js
    • webpack.config.js
    • package.json

import * as t from "@babel/types";
import { NodePath, Scope } from "@babel/traverse";

import { STATEMENT_EXECUTER_VAR } from "../constants";

export function createStatementUpdater(
  statement: NodePath | t.Statement,
  scope: Scope | t.Identifier,
  name = STATEMENT_EXECUTER_VAR
): [t.VariableDeclaration, t.ExpressionStatement, t.Identifier] {
  const uid = t.isIdentifier(scope) ? scope : scope.generateUidIdentifier(name);
  const node = "node" in statement ? statement.node : statement;
  const block = t.isBlockStatement(node)
    ? node
    : t.blockStatement([node as t.Statement]);

  const nodeToReplace = t.variableDeclaration("const", [
    t.variableDeclarator(uid, t.arrowFunctionExpression([], block))
  ]);
  const callExpression = t.expressionStatement(t.callExpression(uid, []));

  return [nodeToReplace, callExpression, uid];
}