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Nested tracery grammars #12

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OldStarchy opened this issue Mar 8, 2020 · 0 comments

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OldStarchy commented Mar 8, 2020 •

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A lot of responses from tracery come from a base grammar which is then cloned and the message specific details (like author) are added.

It would be a better API to be able to nest/extend the grammars per scope.

const rootTracery = new Tracery(grammar); // Compiled once

function someTimeLater(author: Author) {
    const subTracery = rootTracery.extend({ author }); // Only new grammar is compiled here
    return subTracery.generate('origin');
}

This also saves having to clone the original grammar for every response.

OldStarchy added the enhancement label

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