diff --git a/vendor/sprintf.min.js b/vendor/sprintf.min.js
new file mode 100644
index 0000000..b7c5702
--- /dev/null
+++ b/vendor/sprintf.min.js
@@ -0,0 +1,2 @@
+/*! sprintf-js v1.1.2 | Copyright (c) 2007-present, Alexandru Mărășteanu <hello@alexei.ro> | BSD-3-Clause */
+!function(){"use strict";var g={not_string:/[^s]/,not_bool:/[^t]/,not_type:/[^T]/,not_primitive:/[^v]/,number:/[diefg]/,numeric_arg:/[bcdiefguxX]/,json:/[j]/,not_json:/[^j]/,text:/^[^\x25]+/,modulo:/^\x25{2}/,placeholder:/^\x25(?:([1-9]\d*)\$|\(([^)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-gijostTuvxX])/,key:/^([a-z_][a-z_\d]*)/i,key_access:/^\.([a-z_][a-z_\d]*)/i,index_access:/^\[(\d+)\]/,sign:/^[+-]/};function y(e){return function(e,t){var r,n,i,s,a,o,p,c,l,u=1,f=e.length,d="";for(n=0;n<f;n++)if("string"==typeof e[n])d+=e[n];else if("object"==typeof e[n]){if((s=e[n]).keys)for(r=t[u],i=0;i<s.keys.length;i++){if(null==r)throw new Error(y('[sprintf] Cannot access property "%s" of undefined value "%s"',s.keys[i],s.keys[i-1]));r=r[s.keys[i]]}else r=s.param_no?t[s.param_no]:t[u++];if(g.not_type.test(s.type)&&g.not_primitive.test(s.type)&&r instanceof Function&&(r=r()),g.numeric_arg.test(s.type)&&"number"!=typeof r&&isNaN(r))throw new TypeError(y("[sprintf] expecting number but found %T",r));switch(g.number.test(s.type)&&(c=0<=r),s.type){case"b":r=parseInt(r,10).toString(2);break;case"c":r=String.fromCharCode(parseInt(r,10));break;case"d":case"i":r=parseInt(r,10);break;case"j":r=JSON.stringify(r,null,s.width?parseInt(s.width):0);break;case"e":r=s.precision?parseFloat(r).toExponential(s.precision):parseFloat(r).toExponential();break;case"f":r=s.precision?parseFloat(r).toFixed(s.precision):parseFloat(r);break;case"g":r=s.precision?String(Number(r.toPrecision(s.precision))):parseFloat(r);break;case"o":r=(parseInt(r,10)>>>0).toString(8);break;case"s":r=String(r),r=s.precision?r.substring(0,s.precision):r;break;case"t":r=String(!!r),r=s.precision?r.substring(0,s.precision):r;break;case"T":r=Object.prototype.toString.call(r).slice(8,-1).toLowerCase(),r=s.precision?r.substring(0,s.precision):r;break;case"u":r=parseInt(r,10)>>>0;break;case"v":r=r.valueOf(),r=s.precision?r.substring(0,s.precision):r;break;case"x":r=(parseInt(r,10)>>>0).toString(16);break;case"X":r=(parseInt(r,10)>>>0).toString(16).toUpperCase()}g.json.test(s.type)?d+=r:(!g.number.test(s.type)||c&&!s.sign?l="":(l=c?"+":"-",r=r.toString().replace(g.sign,"")),o=s.pad_char?"0"===s.pad_char?"0":s.pad_char.charAt(1):" ",p=s.width-(l+r).length,a=s.width&&0<p?o.repeat(p):"",d+=s.align?l+r+a:"0"===o?l+a+r:a+l+r)}return d}(function(e){if(p[e])return p[e];var t,r=e,n=[],i=0;for(;r;){if(null!==(t=g.text.exec(r)))n.push(t[0]);else if(null!==(t=g.modulo.exec(r)))n.push("%");else{if(null===(t=g.placeholder.exec(r)))throw new SyntaxError("[sprintf] unexpected placeholder");if(t[2]){i|=1;var s=[],a=t[2],o=[];if(null===(o=g.key.exec(a)))throw new SyntaxError("[sprintf] failed to parse named argument key");for(s.push(o[1]);""!==(a=a.substring(o[0].length));)if(null!==(o=g.key_access.exec(a)))s.push(o[1]);else{if(null===(o=g.index_access.exec(a)))throw new SyntaxError("[sprintf] failed to parse named argument key");s.push(o[1])}t[2]=s}else i|=2;if(3===i)throw new Error("[sprintf] mixing positional and named placeholders is not (yet) supported");n.push({placeholder:t[0],param_no:t[1],keys:t[2],sign:t[3],pad_char:t[4],align:t[5],width:t[6],precision:t[7],type:t[8]})}r=r.substring(t[0].length)}return p[e]=n}(e),arguments)}function e(e,t){return y.apply(null,[e].concat(t||[]))}var p=Object.create(null);"undefined"!=typeof exports&&(exports.sprintf=y,exports.vsprintf=e),"undefined"!=typeof window&&(window.sprintf=y,window.vsprintf=e,"function"==typeof define&&define.amd&&define(function(){return{sprintf:y,vsprintf:e}}))}();
diff --git a/.eslintrc.json b/.eslintrc.json
index 0bcf372..513a919 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -13,6 +13,7 @@
     "Drupal": true,
     "DrupalGutenberg": true,
     "wp": true,
+    "sprintf": true,
     "drupalSettings": true,
     "drupalTranslations": true,
     "domready": true,
diff --git a/gutenberg.libraries.yml b/gutenberg.libraries.yml
index 3e85448..04aedcb 100644
--- a/gutenberg.libraries.yml
+++ b/gutenberg.libraries.yml
@@ -20,6 +20,11 @@ moment:
   js:
     vendor/moment.min.js:
       minified: true
+sprintf:
+  version: 1.1.2
+  js:
+    vendor/sprintf.min.js:
+      minified: true
 regenerator-runtime:
   version: 1.0.0
   js:
@@ -52,7 +57,7 @@ filters:
     js/filters/mapping-fields.js: {  }
   dependencies:
     - gutenberg/hook
-  
+
 drupal-blocks:
   js:
     js/blocks/section/index.js: {  }
@@ -548,6 +553,7 @@ i18n:
     theme: {  }
   dependencies:
     - gutenberg/polyfill
+    - gutenberg/sprintf
 is-shallow-equal:
   js:
     vendor/gutenberg/is-shallow-equal/index.js: {  }
diff --git a/js/i18n.es6.js b/js/i18n.es6.js
index a7e08e6..6c5b561 100644
--- a/js/i18n.es6.js
+++ b/js/i18n.es6.js
@@ -1,9 +1,31 @@
-((Drupal, wp) => {
-  const translate = value => Drupal.t(value);
+((Drupal, wp, sprintf) => {
+  // see https://github.com/WordPress/gutenberg/blob/master/packages/i18n/src/index.js
   wp.i18n = {};
-  wp.i18n.__ = translate;
-  wp.i18n._x = translate;
+
+  wp.i18n.__ = value => Drupal.t(value);
+  wp.i18n._x = (value, context) => Drupal.t(value, {}, { context });
   wp.i18n._n = (single, plural, number) =>
-    Drupal.formatPlural(number, single, plural);
-  wp.i18n.sprintf = translate;
-})(Drupal, wp);
+    sprintf(Drupal.formatPlural(number, single, plural), number);
+  wp.i18n._nx = (single, plural, number, context) =>
+    sprintf(
+      Drupal.formatPlural(number, single, plural, {}, { context }),
+      number,
+    );
+
+  wp.i18n.isRTL = () =>
+    Drupal.t('ltr', {}, { context: 'text direction' }) === 'rtl';
+  wp.i18n.setLocaleData = () => {
+    // eslint-disable-next-line no-console
+    console.warn('wp.i18n.setLocaleData() is a noop.');
+  };
+  wp.i18n.sprintf = (format, ...args) => {
+    try {
+      return sprintf(format, ...args);
+    } catch (error) {
+      // eslint-disable-next-line no-console
+      console.warn(`sprintf error: \n\n${error.toString()}`);
+
+      return format;
+    }
+  };
+})(Drupal, wp, sprintf);
diff --git a/js/i18n.js b/js/i18n.js
index 45e39fd..6c5aa48 100644
--- a/js/i18n.js
+++ b/js/i18n.js
@@ -3,17 +3,41 @@
 * See the following change record for more information,
 * https://www.drupal.org/node/2815083
 * @preserve
-**/"use strict";
+**/'use strict';
 
-(function (Drupal, wp) {
-  var translate = function translate(value) {
+(function (Drupal, wp, sprintf) {
+  wp.i18n = {};
+
+  wp.i18n.__ = function (value) {
     return Drupal.t(value);
   };
-  wp.i18n = {};
-  wp.i18n.__ = translate;
-  wp.i18n._x = translate;
+  wp.i18n._x = function (value, context) {
+    return Drupal.t(value, {}, { context: context });
+  };
   wp.i18n._n = function (single, plural, number) {
-    return Drupal.formatPlural(number, single, plural);
+    return sprintf(Drupal.formatPlural(number, single, plural), number);
+  };
+  wp.i18n._nx = function (single, plural, number, context) {
+    return sprintf(Drupal.formatPlural(number, single, plural, {}, { context: context }), number);
+  };
+
+  wp.i18n.isRTL = function () {
+    return Drupal.t('ltr', {}, { context: 'text direction' }) === 'rtl';
+  };
+  wp.i18n.setLocaleData = function () {
+    console.warn('wp.i18n.setLocaleData() is a noop.');
+  };
+  wp.i18n.sprintf = function (format) {
+    for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+      args[_key - 1] = arguments[_key];
+    }
+
+    try {
+      return sprintf.apply(undefined, [format].concat(args));
+    } catch (error) {
+      console.warn('sprintf error: \n\n' + error.toString());
+
+      return format;
+    }
   };
-  wp.i18n.sprintf = translate;
-})(Drupal, wp);
\ No newline at end of file
+})(Drupal, wp, sprintf);
\ No newline at end of file