@tko/filter.punches/dist/index.js

TKO filters from knockout punches

// @tko/filter.punches 🥊 4.1.0 ESM
"use strict";
import { unwrap, toJS } from "@tko/observable";
const sproto = String.prototype;
const filters = {
  // Convert value to uppercase
  uppercase: function(value) {
    return sproto.toUpperCase.call(unwrap(value));
  },
  // Convert value to lowercase
  lowercase: function(value) {
    return sproto.toLowerCase.call(unwrap(value));
  },
  // Return default value if the input value is empty or null
  default: function(value, defaultValue) {
    value = unwrap(value);
    if (typeof value === "function") {
      return value;
    }
    if (typeof value === "string") {
      return sproto.trim.call(value) === "" ? defaultValue : value;
    }
    return value == null || value.length == 0 ? defaultValue : value;
  },
  // Return the value with the search string replaced with the replacement string
  replace: function(value, search, replace) {
    return sproto.replace.call(unwrap(value), search, replace);
  },
  fit: function(value, length, replacement, trimWhere) {
    value = unwrap(value);
    if (length && ("" + value).length > length) {
      replacement = "" + (replacement || "...");
      length = length - replacement.length;
      value = "" + value;
      switch (trimWhere) {
        case "left":
          return replacement + value.slice(-length);
        case "middle": {
          const leftLen = Math.ceil(length / 2);
          return value.substring(0, leftLen) + replacement + value.slice(leftLen - length);
        }
        default:
          return value.substring(0, length) + replacement;
      }
    } else {
      return value;
    }
  },
  // Convert a model object to JSON
  json: function(rootObject, space, replacer) {
    return JSON.stringify(toJS(rootObject), replacer, space);
  },
  // Format a number using the browser's toLocaleString
  number: function(value) {
    return (+unwrap(value)).toLocaleString();
  }
};
export { filters };