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author | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
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committer | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
commit | 080c5819d87b933816d724a83f3bf4f1686770a7 (patch) | |
tree | 4a2ccc68b27edf7d4cbc586c932cc7542b655e19 /node_modules/asynckit/lib/iterate.js | |
parent | 5ac7049a9d30733165cc212dee308163c2a14644 (diff) | |
parent | d003b82235a9329f912522a2f70aa950dfce4998 (diff) | |
download | LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.tar.gz LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.zip |
Merge branch 'master' of https://github.com/JoelHMikael/FoodJS
Updating remote changes
Diffstat (limited to 'node_modules/asynckit/lib/iterate.js')
-rw-r--r-- | node_modules/asynckit/lib/iterate.js | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/node_modules/asynckit/lib/iterate.js b/node_modules/asynckit/lib/iterate.js new file mode 100644 index 0000000..5d2839a --- /dev/null +++ b/node_modules/asynckit/lib/iterate.js @@ -0,0 +1,75 @@ +var async = require('./async.js') + , abort = require('./abort.js') + ; + +// API +module.exports = iterate; + +/** + * Iterates over each job object + * + * @param {array|object} list - array or object (named list) to iterate over + * @param {function} iterator - iterator to run + * @param {object} state - current job status + * @param {function} callback - invoked when all elements processed + */ +function iterate(list, iterator, state, callback) +{ + // store current index + var key = state['keyedList'] ? state['keyedList'][state.index] : state.index; + + state.jobs[key] = runJob(iterator, key, list[key], function(error, output) + { + // don't repeat yourself + // skip secondary callbacks + if (!(key in state.jobs)) + { + return; + } + + // clean up jobs + delete state.jobs[key]; + + if (error) + { + // don't process rest of the results + // stop still active jobs + // and reset the list + abort(state); + } + else + { + state.results[key] = output; + } + + // return salvaged results + callback(error, state.results); + }); +} + +/** + * Runs iterator over provided job element + * + * @param {function} iterator - iterator to invoke + * @param {string|number} key - key/index of the element in the list of jobs + * @param {mixed} item - job description + * @param {function} callback - invoked after iterator is done with the job + * @returns {function|mixed} - job abort function or something else + */ +function runJob(iterator, key, item, callback) +{ + var aborter; + + // allow shortcut if iterator expects only two arguments + if (iterator.length == 2) + { + aborter = iterator(item, async(callback)); + } + // otherwise go with full three arguments + else + { + aborter = iterator(item, key, async(callback)); + } + + return aborter; +} |