diff --git a/dev/emulator.html b/dev/emulator.html
index 0e05135..dcd2175 100644
--- a/dev/emulator.html
+++ b/dev/emulator.html
@@ -20,9 +20,14 @@
var returnTo = getQueryParam('return_to');
var data = decodeURIComponent(location.hash.substring(1));
- if (data) {
+
+ // Check if we dealing with a base64 encoded URI
+ if (data && data.charAt(0) !== '<') {
data = window.atob(data).replace('$$RETURN_TO$$', returnTo);
window.location.href = 'data:text/html;base64,' + encodeURIComponent(window.btoa(data));
+ } else if (data) {
+ data = data.replace('$$RETURN_TO$$', returnTo);
+ window.location.href = 'data:text/html;charset=utf-8,' + encodeURIComponent(data);
}
diff --git a/index.js b/index.js
index d99256a..b2b0723 100755
--- a/index.js
+++ b/index.js
@@ -175,58 +175,12 @@ Clay.prototype.getSettings = function(response, convert) {
/**
* @param {string} input
- * @param {string} [prefix]
+ * @param {string} [prefix='data:text/html;charset=utf-8,']
* @returns {string}
*/
Clay.encodeDataUri = function(input, prefix) {
- prefix = typeof prefix !== 'undefined' ? prefix : 'data:text/html;base64,';
-
- if (window.btoa) {
- return prefix + encodeURIComponent(window.btoa(input));
- }
-
- // iOS doesn't have a window so we need to polyfil window.btoa
- // extracted from https://github.com/inexorabletash/polyfill
- var B64_ALPHABET =
- 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
- input = String(input);
- var position = 0;
- var out = [];
- var o1;
- var o2;
- var o3;
- var e1;
- var e2;
- var e3;
- var e4;
-
- if (/[^\x00-\xFF]/.test(input)) { throw Error('InvalidCharacterError'); }
-
- while (position < input.length) {
- o1 = input.charCodeAt(position++);
- o2 = input.charCodeAt(position++);
- o3 = input.charCodeAt(position++);
-
- // 111111 112222 222233 333333
- e1 = o1 >> 2;
- e2 = ((o1 & 0x3) << 4) | (o2 >> 4);
- e3 = ((o2 & 0xf) << 2) | (o3 >> 6);
- e4 = o3 & 0x3f;
-
- if (position === input.length + 2) {
- e3 = 64;
- e4 = 64;
- } else if (position === input.length + 1) {
- e4 = 64;
- }
-
- out.push(B64_ALPHABET.charAt(e1),
- B64_ALPHABET.charAt(e2),
- B64_ALPHABET.charAt(e3),
- B64_ALPHABET.charAt(e4));
- }
-
- return prefix + encodeURIComponent(out.join(''));
+ prefix = typeof prefix !== 'undefined' ? prefix : 'data:text/html;charset=utf-8,';
+ return prefix + encodeURIComponent(input);
};
module.exports = Clay;
diff --git a/test/spec/index.js b/test/spec/index.js
index 60c6a76..062d870 100644
--- a/test/spec/index.js
+++ b/test/spec/index.js
@@ -153,7 +153,7 @@ describe('Clay', function() {
* @returns {string}
*/
function decodeUrl(url) {
- return atob(decodeURIComponent(url.replace(/^.*?[#,]/, '')));
+ return decodeURIComponent(url.replace(/^.*?[#,]/, ''));
}
describe('string substitutions', function() {
@@ -338,49 +338,24 @@ describe('Clay', function() {
});
describe('Clay.encodeDataUri()', function() {
-
- /**
- * @return {void}
- */
- function testEncodeDataUri() {
- it('adds the correct prefix', function() {
- assert.equal(Clay.encodeDataUri('test', 'prefix:'), 'prefix:dGVzdA%3D%3D');
- assert.equal(
- Clay.encodeDataUri('test'),
- 'data:text/html;base64,dGVzdA%3D%3D'
- );
- });
-
- it('encodes the data correctly', function() {
- assert.equal(Clay.encodeDataUri('test', ''), 'dGVzdA%3D%3D');
- assert.equal(Clay.encodeDataUri('test{2}', ''), 'dGVzdHsyfQ%3D%3D');
- assert.equal(Clay.encodeDataUri('test{10}', ''), 'dGVzdHsxMH0%3D');
- });
-
- it('throws if the input is invalid', function() {
- assert.throws(function() {
- Clay.encodeDataUri('♥');
- });
- });
- }
-
- describe('native', function() {
- testEncodeDataUri();
+ it('adds the correct prefix', function() {
+ assert.equal(Clay.encodeDataUri('', 'prefix:'), 'prefix:%3Ctest%3E');
+ assert.equal(
+ Clay.encodeDataUri(''),
+ 'data:text/html;charset=utf-8,%3Ctest%3E'
+ );
});
- describe('polyfill', function() {
- var btoaOriginal = window.btoa;
-
- before(function() {
- window.btoa = undefined;
- });
-
- testEncodeDataUri();
-
- after(function() {
- window.btoa = btoaOriginal;
- });
+ it('encodes the data correctly', function() {
+ assert.equal(Clay.encodeDataUri('test', ''), 'test');
+ assert.equal(Clay.encodeDataUri('test{2}', ''), 'test%7B2%7D');
+ assert.equal(Clay.encodeDataUri('test{10}', ''), 'test%7B10%7D');
});
+ it('does not throw if unicode character is provided', function() {
+ assert.doesNotThrow(function() {
+ Clay.encodeDataUri('♥');
+ });
+ });
});
});