33 lines
983 B
Plaintext
33 lines
983 B
Plaintext
let AST = {
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// Public API used to evaluate derived attributes regarding AST nodes
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helpers: {
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// a mustache is definitely a helper if:
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// * it is an eligible helper, and
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// * it has at least one parameter or hash segment
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helperExpression: function(node) {
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return (
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node.type === 'SubExpression' ||
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((node.type === 'MustacheStatement' ||
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node.type === 'BlockStatement') &&
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!!((node.params && node.params.length) || node.hash))
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);
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},
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scopedId: function(path) {
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return /^\.|this\b/.test(path.original);
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},
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// an ID is simple if it only has one part, and that part is not
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// `..` or `this`.
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simpleId: function(path) {
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return (
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path.parts.length === 1 && !AST.helpers.scopedId(path) && !path.depth
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);
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}
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}
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};
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// Must be exported as an object rather than the root of the module as the jison lexer
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// must modify the object to operate properly.
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export default AST;
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