@putout/compare

putout-compare

Compare AST-nodes.

Install

npm i @putout/compare

API

Compare (node, baseNode)

• node - AST-node or code that will be generated;
• baseNode AST-node with support of template variables.

Supported template variables:

__

Any node.

compare('const x = data', 'const __ = __');
compare('const {x} = data', 'const __ = __');
compare('const x = {data}', 'const __ = __');
// returns
true

__object

ObjectPattern or ObjectExpression with any count of properties.

compare('const {} = data', 'const __object = __')
compare('const {hello} = data', 'const __object = __')
// returns
true

__array

ArrayPattern or ArrayExpression with any count of elements.

compare('const [] = data', 'const __array = __');
compare('const [hello] = data', 'const __array = __');
compare('const hello = [data]', 'const __ = __array');
// returns
true

__args

Any count of arguments:

compare('(a, b, c) => {}', '(__args) => {}');
compare('(a, b) => {}', '(__args) => {}');
compare('() => {}', '(__args) => {}');
// returns
true

"__"

Any string literal.

compare('const a = "hello"', 'const __ = "__"');

License

MIT