examples with nested classes, e.g. microformats2 about fathom HOT 5 CLOSED

Thanks for your reply, Erik. And many thanks for such a cool piece of software! :)

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cc: @mixedpuppy who may have some suggestions for how to do this in Firefox in particular

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Absolutely. For simple cases, you could just use CSS selectors, like...

const rules = ruleset(
    rule(dom('.h-entry .p-name'), type('title').note(fnode => fnode.element.textContent))
);

Soon I plan to add contains() and matching() to the left-hand side of rules that will make it easier to express typed containment (a "foo"-typed node within a "title"-typed node) and arbitrary predicates.

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Yes, contains() and matching() would be a very powerful addition indeed. Do you think you could maybe roughly outline how would you approach the implementation of those? I take you will probably not add any new features anymore given the project is not very active?

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Probably just the naive way to begin with, then optimizing as the need proves itself. Most of the dev work is happening in https://github.com/erikrose/fathom-fox/ at the moment: integrating Fathom development tools into Firefox so we can write rulesets faster and more easily. Then I have some crazy ideas for Fathom 3, which will bring contains, matching, and, indeed, arbitrary predicates.

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