How to use the difference function from ramda

Find comprehensive JavaScript ramda.difference code examples handpicked from public code repositorys.

controller.js

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debug(`peer ${peer.host} is known to network, received ${headers.length} headers`);

// store all the header hashes so that we're able to get the interval till the tip of the chain
// difference is here to only store missing items - these will arrive from multiple peers
const store = difference(headers, this._initialSyncHeaderHashes);
debug(`storing ${store.length} headers - this was the difference between already known and received`);
this._initialSyncHeaderHashes = concat(this._initialSyncHeaderHashes, store);

// if we received 2000 headers - we need to loop again using starts: headers.last, stop: zeroes, until the number is smaller

catalog.js

GitHub: SergeyPoluektov/js-lingui-cli

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var _this = this;

var nextKeys = R.keys(nextCatalog).map(String);
return R.mapObjIndexed(function (prevCatalog, locale) {
  var prevKeys = R.keys(prevCatalog).map(String);
  var newKeys = R.difference(nextKeys, prevKeys);
  var mergeKeys = R.intersection(nextKeys, prevKeys);
  var obsoleteKeys = R.difference(prevKeys, nextKeys); // Initialize new catalog with new keys

  var newMessages = R.mapObjIndexed(function (message, key) {

+ 3 other calls in file

cyclejs-audio-driver.js

GitHub: jemmyw/cyclejs-audio-driver

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 * @return {Array} The elements in `list1` that are not in `list2`.
 * @see R.differenceWith, R.symmetricDifference, R.symmetricDifferenceWith
 * @example
 *
 *      R.difference([1,2,3,4], [7,6,5,4,3]); //=> [1,2]
 *      R.difference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5]
 */
var difference = _curry2(function difference(first, second) {
    var out = [];
    var idx = 0;

+ 35 other calls in file

bundle.js

GitHub: Gaoey/canvas-vertice-google-detected-text

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 * @see R.differenceWith, R.symmetricDifference, R.symmetricDifferenceWith, R.without
 * @example
 *
 *      R.difference([1,2,3,4], [7,6,5,4,3]); //=> [1,2]
 *      R.difference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5]
 *      R.difference([{a: 1}, {b: 2}], [{a: 1}, {c: 3}]) //=> [{b: 2}]
 */




var difference =

+ 11 other calls in file

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