How to use the MemberExpression function from @babel/types

Find comprehensive JavaScript @babel/types.MemberExpression code examples handpicked from public code repositorys.

@babel/types.MemberExpression is a module in Babel that represents a member expression in a JavaScript program.

reactIntlToReactIntlUniversal.js

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    rawValue: value,
  },
});

return t.CallExpression(
  t.MemberExpression(
    t.CallExpression(
      t.MemberExpression(t.Identifier('intl'), t.Identifier('get')),
      variableObj
        ? [typeof key === 'string' ? t.StringLiteral(key) : key, variableObj]

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+ 7 other calls in file

idx.macro.js

GitHub: dralletje/idx.macro

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} else if (t.isMemberExpression(node)) {
  return makeChain(
    node.object,
    state,
    makeCondition(
      t.MemberExpression(state.temp, node.property, node.computed),
      state,
      inside
    )
  );

+ 5 other calls in file

How does @babel/types.MemberExpression work?

In JavaScript, a member expression is used to access a property of an object or to call a method on an object. The @babel/types.MemberExpression module in Babel represents such expressions in an abstract syntax tree (AST) format. The @babel/types.MemberExpression module contains properties that describe the different parts of a member expression, such as the object being accessed or the property being accessed. These properties can be accessed and manipulated by other Babel plugins or modules to transform the code. Here's an example of a member expression: javascript Copy code {{{{{{{ const person = { name: 'John', age: 30, address: { street: '123 Main St', city: 'Anytown', state: 'CA', zip: '12345' } }; console.log(person.name); // 'John' console.log(person.address.city); // 'Anytown' In this example, the person object is accessed using member expressions to access the name property and the city property of the address object. When this code is transpiled using Babel, the member expressions are represented using the @babel/types.MemberExpression module in the generated AST. Overall, @babel/types.MemberExpression is a module that provides a way to represent and manipulate member expressions in a JavaScript program in an AST format, making it possible for Babel to transform the code.

general.js

GitHub: wwhtrbbtt/GPJSD

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    let { object, property, computed } = path.node;
    if (!computed) return; // Verify computed property is false
    if (!t.isStringLiteral(property)) return; // Verify property is a string literal
    if (!validIdentifierRegex.test(property.value)) return; // Verify that the property being accessed is a valid identifier      // If conditions pass:      // Replace the node with a new one
    path.replaceWith(
      t.MemberExpression(object, t.identifier(property.value), false)
    );
  },
});

+ 356 other calls in file

Ai Example

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const t = require("@babel/types");

// Create a MemberExpression node
const memberExpr = t.memberExpression(
  t.identifier("person"),
  t.identifier("name")
);

// Output the node to the console
console.log(memberExpr);

In this example, we first import the @babel/types module and store it in a variable named t. We then use the t.memberExpression method to create a new member expression node in the AST. This method takes two arguments: the first argument is the object being accessed (in this case, an identifier node with the name "person"), and the second argument is the property being accessed (an identifier node with the name "name"). Finally, we log the newly created member expression node to the console. When this code is transpiled using Babel, the generated AST will contain a MemberExpression node representing the expression person.name. Overall, @babel/types.MemberExpression provides a way to create and manipulate member expression nodes in a Babel AST. This makes it possible for Babel plugins and other tools to transform JavaScript code by manipulating the AST.

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@babel/types.identifier is the most popular function in @babel/types (20936 examples)

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