Filter if array of strings matches partially

Question

I want to filter array if it contains a particular string. It works as shown below. But I am not sure how to solve it if there are multiple strings to match. For example - instead of skillText = "Entry Level"; if we have skillText = ["Entry Level", "Scientist", "Analyst"];

var myList = [{"Title":"Entry Level - Data Analyst","Location":"Boston"}, {"Title":"Entry Level3 -  Analyst","Location":"Delhi"}, {"Title":"Scientist","Location":"Boston"}];

skillText = "Entry Level";
result = myList.filter(function(v) {
    return v["Title"].indexOf(skillText) > -1;
  })
  
console.log(result);

For exact match skillText.includes(v["Title"]) works but not sure how to do with partial matches.

Does this answer your question? [Filter array of objects based on another array in javascript](https://stackoverflow.com/questions/46894352/filter-array-of-objects-based-on-another-array-in-javascript) — pilchard, Mar 27 '22 at 14:16
No it does not. As stated in the post I already know how to use includes( ) but don't know how to do it when partial matches. — Ujjawal Bhandari, Mar 27 '22 at 14:18
Then this: [Filter object array based on string array "with partial match"](https://stackoverflow.com/questions/58250401/filter-object-array-based-on-string-array-with-partial-match) — pilchard, Mar 27 '22 at 14:25
Also see: [How much research effort is expected of Stack Overflow users?](https://meta.stackoverflow.com/questions/261592/how-much-research-effort-is-expected-of-stack-overflow-users) — pilchard, Mar 27 '22 at 14:25
Essentially, `skillText` may be a string - but it may also be an array of strings. Correct? — jsN00b, Mar 27 '22 at 14:36
@jsN00b it doesn't really matter, one can just `[].concat(skillText).some(...` so that it's always an array. — pilchard, Mar 27 '22 at 14:43

Luminight · Accepted Answer · 2022-03-27T14:29:59.237

3

You can use the some function on arrays, it returns true if any of the items returns true from the callback

skillTexts = ["Entry Level", "Scientist"];
result = myList.filter(function(v) {
    return skillTexts.some(function(skill) {
        return v["Title"].includes(skill)
    });
})

edited Mar 27 '22 at 14:29

answered Mar 27 '22 at 14:22

Luminight

91
4

jsN00b · Answer 2 · 2022-03-27T15:19:44.847

This may be one possible solution to achieve the desired objective:

Code Snippet

const findMatches = (hayStack, needle) => (
  hayStack.filter(
    ({Title}) => (
      [].concat(
        needle
      ).some(
        skill => Title.includes(skill)
      )
    )
  )
);

const myList = [{"Title":"Entry Level - Data Analyst","Location":"Boston"}, {"Title":"Entry Level3 -  Analyst","Location":"Delhi"}, {"Title":"Scientist","Location":"Boston"}];

let skillText = 'Entry Level';
console.log('searching text: "Entry Level"\nfound: ', findMatches(myList, skillText));

skillText = ['Level', 'Analyst', 'Scientist'];
console.log('searching array', skillText.join(), '\nfound: ', findMatches(myList, skillText));

Explanation

Use .filter to iterate over the array (hayStack)
De-structure to directly access Title from the iterator
To acccommodate needle (search-text being a string or an array), first use [].concat() to obtain an array (This is done per pilchard's comment in the question above)
Use .some to iterate and find if any element is part of Title

Filter if array of strings matches partially

2 Answers2