Transform into a lower cased string with spaces between words. 

Transform any case string into a lower case string with a space between each word

blakeembrey

no-case

Transform into a lower cased string with spaces between words

// Support camel case ("camelCase" -> "camel Case" and "CAMELCase" -> "CAMEL Case").

var DEFAULT_SPLIT_REGEXP = [/([a-z0-9])([A-Z])/g, /([A-Z])([A-Z][a-z])/g];

var DEFAULT_STRIP_REGEXP = /[^A-Z0-9]+/gi;

 * Normalize the string into something other libraries can manipulate easier.

    if (options === void 0) { options = {}; }

    var _a = options.splitRegexp, splitRegexp = _a === void 0 ? DEFAULT_SPLIT_REGEXP : _a, _b = options.stripRegexp, stripRegexp = _b === void 0 ? DEFAULT_STRIP_REGEXP : _b, _c = options.transform, transform = _c === void 0 ? lowerCase : _c, _d = options.delimiter, delimiter = _d === void 0 ? " " : _d;

    var result = replace(replace(input, splitRegexp, "$1\0$2"), stripRegexp, "\0");

    // Trim the delimiter from around the output string.

    while (result.charAt(start) === "\0")

    while (result.charAt(end - 1) === "\0")

    // Transform each token independently.

    return result.slice(start, end).split("\0").map(transform).join(delimiter);

 * Replace `re` in the input string with the replacement value.

    return re.reduce(function (input, re) { return input.replace(re, value); }, input);

    ["testString_1_2_3", "test string 1 2 3"],

    ["XMLHttpRequest", "xml http request"],

    ["snake_case_123", "snake case 123"],

    ["version 0.45.0", "version 0 45 0"],

    ["version 0..78..9", "version 0 78 9"],

    ["version 4_99/4", "version 4 99 4"],

    ["something_2014_other", "something 2014 other"],

    // https://github.com/blakeembrey/change-case/issues/21

    ["amazon s3 data", "amazon s3 data"],

    ["camel2019", "camel 2019", { splitRegexp: /([a-z])([A-Z0-9])/g }],

    ["minifyURLs", "minify urls", { splitRegexp: /([a-z])([A-Z0-9])/g }]

    ["minifyURLs", "minify urls", { splitRegexp: /([a-z])([A-Z0-9])/g }],

    var _loop_1 = function (input, result, options) {

        it(input + " -> " + result, function () {

            expect(noCase(input, options)).toEqual(result);

    for (var _i = 0, TEST_CASES_1 = TEST_CASES; _i < TEST_CASES_1.length; _i++) {

        var _a = TEST_CASES_1[_i], input = _a[0], result = _a[1], options = _a[2];

Object.defineProperty(exports, "__esModule", { value: true });

var lower_case_1 = require("lower-case");

    var _a = options.splitRegexp, splitRegexp = _a === void 0 ? DEFAULT_SPLIT_REGEXP : _a, _b = options.stripRegexp, stripRegexp = _b === void 0 ? DEFAULT_STRIP_REGEXP : _b, _c = options.transform, transform = _c === void 0 ? lower_case_1.lowerCase : _c, _d = options.delimiter, delimiter = _d === void 0 ? " " : _d;

            expect(_1.noCase(input, options)).toEqual(result);

  "description": "Transform into a lower cased string with spaces between words",

    "lint": "tslint \"src/**/*\" --project tsconfig.json",

    "build": "rimraf dist/ dist.es2015/ && tsc && tsc -P tsconfig.es2015.json",

    "test": "npm run build && npm run lint && npm run specs",

    "url": "git://github.com/blakeembrey/change-case.git"

    "url": "https://github.com/blakeembrey/change-case/issues"

  "homepage": "https://github.com/blakeembrey/change-case/tree/master/packages/no-case#readme",

    "testRegex": "(/__tests__/.*|\\.(test|spec))\\.(tsx?|jsx?)$",

    "@size-limit/preset-small-lib": "^2.2.1",

  "gitHead": "1c1377a692d328ae01221b2a1532bade38e1eaa3"

  "gitHead": "76a21a7f6f2a226521ef6abd345ff309cbd01fb0"

		{
		"name": "no-case",
		"version": "3.0.3",
		"version": "3.0.4",
		"description": "Transform into a lower cased string with spaces between words",
		@@ -69,4 +69,4 @@ "main": "dist/index.js",
		"dependencies": {
		"lower-case": "^2.0.1",
		"tslib": "^1.10.0"
		"lower-case": "^2.0.2",
		"tslib": "^2.0.3"
		},
		@@ -83,5 +83,5 @@ "devDependencies": {
		"tslint-config-standard": "^9.0.0",
		"typescript": "^3.7.2"
		"typescript": "^4.1.2"
		},
		"gitHead": "1c1377a692d328ae01221b2a1532bade38e1eaa3"
		"gitHead": "76a21a7f6f2a226521ef6abd345ff309cbd01fb0"
		}

Improved metrics

Worsened metrics

Dependency changes

		@@ -21,7 +21,3 @@ import { lowerCase } from "lower-case";
		// Transform each token independently.
		return result
		.slice(start, end)
		.split("\0")
		.map(transform)
		.join(delimiter);
		return result.slice(start, end).split("\0").map(transform).join(delimiter);
		}
		@@ -28,0 +24,0 @@ /**

		@@ -44,3 +44,3 @@ import { noCase } from ".";
		["camel2019", "camel 2019", { splitRegexp: /([a-z])([A-Z0-9])/g }],
		["minifyURLs", "minify urls", { splitRegexp: /([a-z])([A-Z0-9])/g }]
		["minifyURLs", "minify urls", { splitRegexp: /([a-z])([A-Z0-9])/g }],
		];
		@@ -47,0 +47,0 @@ describe("no case", function () {

		"use strict";
		Object.defineProperty(exports, "__esModule", { value: true });
		exports.noCase = void 0;
		var lower_case_1 = require("lower-case");
		@@ -23,7 +24,3 @@ // Support camel case ("camelCase" -> "camel Case" and "CAMELCase" -> "CAMEL Case").
		// Transform each token independently.
		return result
		.slice(start, end)
		.split("\0")
		.map(transform)
		.join(delimiter);
		return result.slice(start, end).split("\0").map(transform).join(delimiter);
		}
		@@ -30,0 +27,0 @@ exports.noCase = noCase;

		@@ -46,3 +46,3 @@ "use strict";
		["camel2019", "camel 2019", { splitRegexp: /([a-z])([A-Z0-9])/g }],
		["minifyURLs", "minify urls", { splitRegexp: /([a-z])([A-Z0-9])/g }]
		["minifyURLs", "minify urls", { splitRegexp: /([a-z])([A-Z0-9])/g }],
		];
		@@ -49,0 +49,0 @@ describe("no case", function () {