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Add test sample output #8

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merged 2 commits into from Sep 16, 2016
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Add test sample output #8

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e25077c
Add test sample output
pdehaan Sep 16, 2016
0be9a23
Tweak test3 to be a bit more clearer
pdehaan Sep 16, 2016
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44 changes: 44 additions & 0 deletions test.js
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Expand Up @@ -5,11 +5,55 @@ fetchSubreddit(['worldnews', 'sports'])
.then((urls) => console.log(urls))
.catch((err) => console.error(err));

/** OUTPUT:

[
{
"subreddit": "worldnews",
"urls": [
"http://www.mirror.co.uk/news/world-news/north-korea-begs-world-aid-8847251",
...
"http://www.bbc.com/news/world-asia-china-37370201"
]
},
{
"subreddit": "sports",
"urls": [
"http://i.imgur.com/ZP2Xgbf.jpg",
...
"http://www.bbc.com/sport/cycling/37371057"
]
}
]

*/

/** ---------- ---------- ---------- ---------- ---------- ---------- ---------- */

fetchRandomSubredditName(2)
.then((res) => pretty(res))
.then((res) => console.log(res))
.catch((err) => console.error(err));

/** OUTPUT:

[
{
"json": "https://www.reddit.com/r/titanfall/.json",
"name": "titanfall",
"url": "https://www.reddit.com/r/titanfall/"
},
{
"json": "https://www.reddit.com/r/Gunpla/.json",
"name": "Gunpla",
"url": "https://www.reddit.com/r/Gunpla/"
}
]

*/

/** ---------- ---------- ---------- ---------- ---------- ---------- ---------- */

// fetchRandomNSFWSubredditName()
// .then((res) => pretty(res))
// .then((res) => console.log(res))
Expand Down
77 changes: 73 additions & 4 deletions test2.js
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Expand Up @@ -2,8 +2,77 @@ const { fetchSubreddit, fetchRandomSubredditName, pretty } = require('./index');

// Fetch 2 random subreddits via /r/random, then grab each subreddits's JSON feed.
fetchRandomSubredditName(2)
.then((res) => res.map(({name}) => name))
.then((subreddits) => fetchSubreddit(subreddits))
.then((res) => pretty(res))
.then((res) => console.log(res))
.then((subreddits) => fetchSubreddit(subreddits.map(({name}) => name)))
.then((subreddits) => pretty(subreddits))
.then((output) => console.log(output))
.catch((err) => console.error(err));

/** OUTPUT:

[
{
"subreddit": "swift",
"urls": [
"https://www.reddit.com/r/swift/comments/52oeqb/whats_everyone_working_on_this_week_9132016/",
"https://vapor.codes",
"https://www.reddit.com/r/swift/comments/53243l/alarm_clock_ios10/",
"https://swiftweekly.github.io/issue-38/",
"https://robots.thoughtbot.com/introducing-perform-easy-dependency-injection-for-storyboard-segues",
"https://www.hackingwithswift.com/read",
"https://www.reddit.com/r/swift/comments/5337k0/question_modelling_logic_conditional_types/",
"https://www.reddit.com/r/swift/comments/5337e5/macbook_or_pc_laptop_vmware/",
"https://www.reddit.com/r/swift/comments/5332dl/firebase_360_release_notes/",
"https://swiftnews.curated.co/issues/101#start",
"https://www.reddit.com/r/swift/comments/531fqf/fastlane/",
"https://www.reddit.com/r/swift/comments/531pqg/when_will_realm_be_available_for_swift_3/",
"https://www.reddit.com/r/swift/comments/530u1k/sorting_an_array_of_objects/",
"https://www.reddit.com/r/swift/comments/52yp67/iad_discontinued_what_to_do/",
"https://www.reddit.com/r/swift/comments/52w3qy/swift_2_swift_3/",
"https://www.reddit.com/r/swift/comments/52w2gq/removal_of_noreturn_in_swift_30_broke_my_use_case/",
"https://www.reddit.com/r/swift/comments/52xt8w/opinions_on_swift_playgrounds_on_ipad/",
"https://www.reddit.com/r/swift/comments/52z8x5/lookin_4_a_site_of_swift_projectstutorials/",
"https://www.reddit.com/r/swift/comments/52wa88/good_resources_for_learning_swift_language/",
"https://www.reddit.com/r/swift/comments/52xc72/swift_23_swift_3_gamekit_get_the_default/",
"https://www.reddit.com/r/swift/comments/52v1g3/json_encoding_nested_dictionaries_problem/",
"https://oleb.net/blog/2016/09/swift-3-ranges/",
"https://www.reddit.com/r/swift/comments/52ubys/custom_objects/",
"https://swift.org/blog/swift-3-0-released/",
"https://www.reddit.com/r/swift/comments/52vejm/question_working_with_bluetooth_scanner/",
"https://www.reddit.com/r/swift/comments/52u142/question_how_to_create_beautiful_alerts/"
]
},
{
"subreddit": "NarutoFanfiction",
"urls": [
"https://www.reddit.com/r/NarutoFanfiction/comments/4e4b2h/story_ideas_thread/",
"https://www.reddit.com/r/NarutoFanfiction/comments/531kis/round_6_sacrifice_by_scanndalus/",
"https://www.reddit.com/r/NarutoFanfiction/comments/532xig/what_kind_of_author_do_you_want_to_be/",
"https://www.reddit.com/r/NarutoFanfiction/comments/531rnb/a_wild_parody_appears_read_tales_of_a_gutsy_ninja/",
"https://www.reddit.com/r/NarutoFanfiction/comments/5328f7/are_there_any_fics_where_naruto_solves_his/",
"https://www.reddit.com/r/NarutoFanfiction/comments/530ax5/leader_naruto_fic/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52z9cu/eyes_of_pain_chapter_3/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52xz3b/id_like_some_feedback_game_of_thrones_x_naruto/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52wzem/bijuu_unbound/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52yst7/sasuke_focus_stories/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52v5ju/whats_the_weirdest_crossover_fic_youve_ever_seen/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52uy7h/would_a_naruto_that_trains_when_he_is_young_and/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52qlas/cheering_for_the_villain/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52rv42/ive_had_a_really_weird_idea_for_a_fic_i_was/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52q0uz/wp_danzo_goes_full_trump_in_konoha/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52pscp/ive_updated_homegrown_garden_tails/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52oyhr/he_will_surpass_a_bunch_of_derivative_literary/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52nr3f/what_takes_you_out_of_fight_scenes_what_are_the/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52ne7m/im_looking_for_stories_where_the_sandaime_teaches/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52ol82/any_good_akatsukiakatsuchi_fics/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52n3x4/so_theres_a_difference_between_good_cliffhangers/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52mv1t/im_looking_for_fics_where_naruto_ends_up_getting/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52o497/what_do_you_love_the_most_about_writing_in_general/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52likv/followup_to_subreddit_wiki/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52mvoa/fic_request_any_stories_where_naruto_gets_turned/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52nyrv/naruto_character_reading_or_watches/",
"https://www.reddit.com/r/NarutoFanfiction/comments/52jnrh/tme_too_much_exposition/"
]
}
]

*/
68 changes: 68 additions & 0 deletions test3.js
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@@ -0,0 +1,68 @@
const urlParse = require('url').parse;

const { fetchSubreddit, fetchRandomSubredditName, pretty } = require('./index');

// Fetch 2 random subreddits via /r/random, then grab each subreddits's JSON feed.
fetchRandomSubredditName(2)
// Pluck out just the `name` property from each subreddit.
.then((subreddits) => subreddits.map(({name}) => name))
// Fetch each subreddit's JSON feed.
.then((subreddits) => fetchSubreddit(subreddits))
// Run a reducer on the fetched URLs and group by hostname.
.then((subreddits) => subreddits.map(({subreddit, urls}) => {
return {
subreddit,
urls: urls.reduce(_subredditReducer, {})
};
}))
// Optional: Reduce all subreddits into a single object.
.then((subreddits) => subreddits.reduce(_summaryReducer, {}))
.then((subreddits) => pretty(subreddits))
.then((output) => console.log(output))
.catch((err) => console.error(err));

function _subredditReducer(prev, curr) {
const hostname = urlParse(curr).hostname;
prev[hostname] = prev[hostname] || 0;
prev[hostname] += 1;
return prev;
}

function _summaryReducer(prev, {urls}) {
Object.keys(urls).forEach((hostname) => {
prev[hostname] = prev[hostname] || 0;
prev[hostname] += urls[hostname];
});
return prev;
}

/** OUTPUT:

[
{
"subreddit": "Disney_Infinity",
"urls": {
"www.reddit.com": 17,
"imgur.com": 9,
"www.ign.com": 1
}
},
{
"subreddit": "AlienBlue",
"urls": {
"www.reddit.com": 25,
"i.reddituploads.com": 1
}
}
]

Or, if you run the optional extra reducer above, all the subreddits are merged into a single object with combined counts:

{
"www.reddit.com": 42,
"imgur.com": 9,
"www.ign.com": 1,
"i.reddituploads.com": 1
}

*/