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Contents
/**
@module ember
*/
/**
A Glimmer2 AST transformation that replaces all instances of
```handlebars
<button {{action 'foo'}}>
<button onblur={{action 'foo'}}>
<button onblur={{action (action 'foo') 'bar'}}>
```
with
```handlebars
<button {{action this 'foo'}}>
<button onblur={{action this 'foo'}}>
<button onblur={{action this (action this 'foo') 'bar'}}>
```
@private
@class TransformActionSyntax
*/
export default function transformActionSyntax({ syntax }) {
let { builders: b } = syntax;
return {
name: 'transform-action-syntax',
visitor: {
ElementModifierStatement(node) {
if (isAction(node)) {
insertThisAsFirstParam(node, b);
}
},
MustacheStatement(node) {
if (isAction(node)) {
insertThisAsFirstParam(node, b);
}
},
SubExpression(node) {
if (isAction(node)) {
insertThisAsFirstParam(node, b);
}
},
},
};
}
function isAction(node) {
return node.path.original === 'action';
}
function insertThisAsFirstParam(node, builders) {
node.params.unshift(builders.path('this'));
}
Version data entries
3 entries across 3 versions & 1 rubygems