Sha256: 5c677081239d3bf5208b573e75f6b672ca340179ee5c4ef1647ad5e8442ca51c
Contents?: true
Size: 1.44 KB
Versions: 3
Compression:
Stored size: 1.44 KB
Contents
/**
@module ember
*/
/**
A Glimmer2 AST transformation that replaces all instances of
```handlebars
{{attrs.foo.bar}}
```
to
```handlebars
{{@foo.bar}}
```
as well as `{{#if attrs.foo}}`, `{{deeply (nested attrs.foobar.baz)}}`,
`{{this.attrs.foo}}` etc
@private
@class TransformAttrsToProps
*/
export default function transformAttrsIntoArgs(env) {
let { builders: b } = env.syntax;
let stack = [[]];
return {
name: 'transform-attrs-into-args',
visitor: {
Program: {
enter(node) {
let parent = stack[stack.length - 1];
stack.push(parent.concat(node.blockParams));
},
exit() {
stack.pop();
},
},
PathExpression(node) {
if (isAttrs(node, stack[stack.length - 1])) {
let path = b.path(node.original.substr(6));
path.original = `@${path.original}`;
path.data = true;
return path;
}
},
},
};
}
function isAttrs(node, symbols) {
let name = node.parts[0];
if (symbols.indexOf(name) !== -1) {
return false;
}
if (name === 'attrs') {
if (node.this === true) {
node.parts.shift();
node.original = node.original.slice(5);
}
return true;
}
return false;
}
Version data entries
3 entries across 3 versions & 1 rubygems