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takeUntil.js
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takeUntil.js
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const eqArrays = function(arr1, arr2) {
if (arr1.length !== arr2.length) {
return false;
} else {
for (let i = 0; i < arr1.length; i++) {
if (arr1[i] === arr2 [i]) {
continue;
} else {
return false;
}
}
} return true;
};
const assertArraysEqual = function(actual, expected) {
if (eqArrays(actual, expected)) {
console.log(`✅ Assertion Passed: ${actual} === ${expected}`);
} else {
console.log(`❌ Assertion Failed: ${actual} !== ${expected}`);
}
};
const takeUntil = function(array, func) {
let output = [];
for (let item of array) {
if (!(func(item))) {
output.push(item);
} else {
return output;
}
} return output;
};
// const data1 = [1, 2, 5, 7, 2, -1, 2, 4, 5];
// let result1 = (takeUntil(data1, x => x < 0));
// console.log(result1);
// const data2 = ["I've", "been", "to", "Hollywood", ",", "I've", "been", "to", "Redwood"];
// const results2 = takeUntil(data2, x => x === ',');
// console.log(results2);
// assertArraysEqual(result1, [ 1, 2, 5, 7, 2 ]);
// assertArraysEqual(results2,[ "I've", "been", "to", "Hollywood"]);
module.exports = takeUntil;