reka-ui/dist/shared/useFilter.cjs

Vue port for Radix UI Primitives.

'use strict';

const vue = require('vue');

function useFilter(options) {
  const computedOptions = vue.computed(() => vue.unref(options));
  const collator = vue.computed(() => new Intl.Collator("en", { usage: "search", ...computedOptions.value }));
  const startsWith = (string, substring) => {
    if (substring.length === 0)
      return true;
    string = string.normalize("NFC");
    substring = substring.normalize("NFC");
    return collator.value.compare(string.slice(0, substring.length), substring) === 0;
  };
  const endsWith = (string, substring) => {
    if (substring.length === 0)
      return true;
    string = string.normalize("NFC");
    substring = substring.normalize("NFC");
    return collator.value.compare(string.slice(-substring.length), substring) === 0;
  };
  const contains = (string, substring) => {
    if (substring.length === 0)
      return true;
    string = string.normalize("NFC");
    substring = substring.normalize("NFC");
    let scan = 0;
    const sliceLen = substring.length;
    for (; scan + sliceLen <= string.length; scan++) {
      const slice = string.slice(scan, scan + sliceLen);
      if (collator.value.compare(substring, slice) === 0)
        return true;
    }
    return false;
  };
  return {
    startsWith,
    endsWith,
    contains
  };
}

exports.useFilter = useFilter;
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