i18n-behavior
Version:
Instant and Modular I18N engine for lit-html and Polymer
650 lines (624 loc) • 24.2 kB
JavaScript
/*!
* @license https://github.com/t2ym/i18n-behavior/blob/master/LICENSE.md
* Copyright (c) 2016, Tetsuya Mori <t2y3141592@gmail.com>. All rights reserved.
*/
if (!Number.isNaN) {
// polyfill Number.isNaN for IE11
Number.isNaN = function (value) {
return typeof value === 'number' && isNaN(value);
};
}
// Inheritance of test parameters
var p = Object.setPrototypeOf || function (target, base) {
var obj = Object.create(base);
for (var p in target) {
obj[p] = target[p];
}
return obj;
};
var g = Object.getPrototypeOf;
var _name = 'suite';
var suiteMap = { null: {} };
var s = function (name, baseName, extension) {
if (suiteMap[name]) {
throw new Error('duplicate suite name ' + name);
}
if (!suiteMap[baseName]) {
throw new Error('inexistent base suite name ' + baseName);
}
extension[_name] = name;
extension = p(extension, suiteMap[baseName]);
suiteMap[name] = extension;
return extension;
};
// Utility functions
function updateProperty (element, properties) {
for (var name in properties) {
var path = name.split(/[.]/);
if (path.length === 1) {
element[name] = properties[name];
}
else {
var cursor = element;
var p = path.shift();
while (p) {
if (path.length < 1) {
cursor[p] = properties[name];
element.notifyPath(name, properties[name], true);
break;
}
else if (p === 'PolymerDom') {
cursor = Polymer.dom(cursor);
}
else if (p === 'html') {
cursor = document.querySelector('html');
}
else {
cursor = cursor[p];
}
p = path.shift();
}
}
}
}
function getProperty (target, name) {
var path = name.split(/[.]/);
if (path.length === 1) {
return target[name];
}
else {
var cursor = target;
var p = path.shift();
while (p) {
//console.log(p, cursor);
if (path.length < 1) {
if (p === 'raw' ||
p === 'text') {
return cursor;
}
else if (p === 'trim') {
return cursor.trim();
}
if (p === 'data') {
cursor = cursor[p];
cursor = cursor.replace(/^[\s]{1,}/g, ' ').replace(/[\s]{1,}$/g, ' ');
return cursor;
}
else {
return cursor[p];
}
}
else if (p === 'PolymerDom') {
cursor = Polymer.dom(cursor);
}
else if (p === 'previousTextSibling') {
do {
cursor = cursor.previousSibling;
} while (cursor.nodeType === cursor.COMMENT_NODE ||
(cursor.nodeType === cursor.TEXT_NODE && cursor.data.match(/^[\s]*$/)));
}
else if (p === 'nextTextSibling') {
do {
cursor = cursor.nextSibling;
} while (cursor.nodeType === cursor.COMMENT_NODE ||
(cursor.nodeType === cursor.TEXT_NODE && cursor.data.match(/^[\s]*$/)));
}
else if (p === 'effectiveChildNodes') {
cursor = cursor.getEffectiveChildNodes();
}
else if (p === 'nonWS') {
cursor = Array.prototype.filter.call(cursor, function (item) {
return (item.nodeType !== item.TEXT_NODE &&
item.nodeType !== item.COMMENT_NODE) ||
(item.nodeType === item.TEXT_NODE &&
!item.data.match(/^[\s]*$/));
});
}
else {
cursor = cursor[p];
}
p = path.shift();
}
}
}
function deepMap (target, source, map) {
var value;
if (typeof source === 'object') {
for (var prop in source) {
value = source[prop];
switch (typeof value) {
case 'string':
case 'number':
case 'boolean':
if (typeof target === 'object') {
target[prop] = map(value, prop);
}
break;
case 'object':
if (typeof target === 'object') {
if (Array.isArray(value)) {
target[prop] = target[prop] || [];
deepMap(target[prop], value, map);
}
else {
target[prop] = target[prop] || {};
deepMap(target[prop], value, map);
}
}
break;
case 'function':
case 'symbol':
case 'undefined':
if (typeof target === 'object') {
target[prop] = value;
}
break;
default:
if (typeof target === 'object') {
target[prop] = value;
}
break;
}
}
}
else {
if (typeof target === 'string') {
target = map(source, '');
}
}
return target;
}
function translate (lang, path, text) {
var result;
switch (lang) {
case '':
case 'en':
case null:
case undefined:
result = text;
break;
default:
if (!path || path.match(/(textContent|[.]data|[.]text|[.]trim)$/)) {
result = {};
deepMap(result, { text: text }, function (value, prop) {
if (typeof value === 'string' &&
!value.match(/^\s*({{[^{}]*}}|\[\[[^\[\]]*\]\])\s*$/) &&
(!value.match(/^\s*<[a-zA-Z0-9- ]*>\s*$/) || value.match(/^\s*<i18n-format>\s*$/)) &&
!value.match(/^[0-9]{1,}$/) &&
prop !== 'type') {
return minifyText(path && path.match(/[.]trim$/) ? (lang + ' ' + value).trim() : lang + ' ' + value);
}
return minifyText(value);
});
result = result.text;
}
else {
result = text;
}
}
//console.log('translate (' + lang + ', ' + path + ', ' + JSON.stringify(text, null, 2) + ') = ' + JSON.stringify(result, null, 2));
return result;
}
function minifyText (text) {
if (text && typeof text === 'string') {
text = text.replace(/[\s]{1,}/g, ' ');
}
return text;
}
var isFakeServer = typeof window === 'object' &&
typeof window.location.href === 'string' &&
window.location.href.indexOf('xhr=fake') > 0 &&
typeof window.fakeServerContents === 'object';
var isSuppressingSuiteParams = typeof window === 'object' &&
typeof window.location.href === 'string' &&
window.location.href.indexOf('suppress=true') > 0;
function setupFakeServer (e) {
if (isFakeServer) {
e.server = sinon.fakeServer.create();
e.server.autoRespond = true;
//e.server.autoRespondAfter = 100;
e.server.respondImmediately = true;
e.server.respondWith(/\/test\/[-\w]+(\/.*[.]json)$/, function (xhr, urlPath) {
if (fakeServerContents.hasOwnProperty(urlPath)) {
//console.log('fake-server: 200 ' + urlPath);
xhr.respond(200, { 'Content-Type': 'application/json' }, fakeServerContents[urlPath])
}
else {
//console.log('fake-server: 404 ' + urlPath);
xhr.respond(404, {}, '');
}
});
}
}
function teardownFakeServer (e) {
if (isFakeServer) {
e.server.restore();
}
}
function setupFixture (params, fixtureModel) {
var fixtureName = params.fixture;
var e = document.querySelector('#' + fixtureName);
var runningTest = document.querySelectorAll('.running-test');
var title = document.querySelector('#test-name');
var currentPath = window.location.pathname.split('/');
if (!e) {
throw new Error('Fixture element with id = ' + fixtureName + ' not found');
}
if (title) {
title.textContent =
(currentPath.length >= 2 ? currentPath[currentPath.length - 2] : '') +
(currentPath.length >= 1 ? '/' + currentPath[currentPath.length - 1].replace(/-test[.]html$/, '') + '/': '') +
params.suite;
}
//console.log('setupFixture: suite = ' + params.suite);
if (e.is === 'i18n-dom-bind') {
e.parentElement.classList.add('running-test');
Array.prototype.forEach.call(runningTest, function (node) {
if (node !== e.parentElement) {
node.classList.remove('running-test');
}
});
return new Promise(function (resolve, reject) {
e.addEventListener('dom-change', function setupFixtureDomChange (ev) {
if (Polymer.dom(ev).rootTarget === e) {
//console.log('setupFixture dom-change');
e.removeEventListener('dom-change', setupFixtureDomChange);
try {
if (fixtureModel &&
typeof fixtureModel.lang === 'string' &&
fixtureModel.lang !== 'en') {
//console.log('setupFixture: waiting for lang-updated');
e.addEventListener('lang-updated', function setupFixtureLangDomChange (event) {
//console.log('setupFixtureLangDomChange');
if (event.target === e &&
e.effectiveLang === fixtureModel.lang) {
//console.log('setupFixtureLangDomChange lang = ' + event.detail.lang + ' effectiveLang = ' + e.effectiveLang);
e.removeEventListener('lang-updated', setupFixtureLangDomChange);
e.render();
resolve(e);
}
});
for (var p in fixtureModel) {
e[p] = fixtureModel[p];
}
e.params = params;
}
else {
for (var p in fixtureModel) {
e[p] = fixtureModel[p];
}
e.params = params;
//console.log('setupFixture: resolving');
e.render();
resolve(e);
}
}
catch (ex) {
reject(ex);
}
}
});
if (e._children) {
e.render();
}
});
}
else {
e.classList.add('running-test');
Array.prototype.forEach.call(runningTest, function (node) {
if (node !== e) {
node.classList.remove('running-test');
}
});
setupFakeServer(e);
return new Promise(function (resolve, reject) {
//console.log('setupFixture: name = ' + fixtureName + ' model = ' + JSON.stringify(fixtureModel, null, 2));
var element = fixture(fixtureName, fixtureModel);
//console.log('setupFixture: name = ' + fixtureName +
// ' element.lang = ' + element.lang +
// ' getAttribute("lang") = ' + element.getAttribute('lang') +
// ' element._lang = ' + element._lang);
if (element) {
if (fixtureModel &&
typeof fixtureModel.lang === 'string' &&
fixtureModel.lang !== 'en' &&
fixtureModel.lang !== element.effectiveLang) {
//console.log('setupFixture: waiting for lang-updated');
element.addEventListener('lang-updated', function setupFixtureLangUpdated (event) {
//console.log('setupFixtureLangUpdated');
if (event.target === element &&
element.effectiveLang === fixtureModel.lang) {
//console.log('setupFixtureLangUpdated lang = ' + event.detail.lang + ' effectiveLang = ' + element.effectiveLang);
element.removeEventListener('lang-updated', setupFixtureLangUpdated);
resolve(element);
}
});
}
else {
//console.log('setupFixture: element ready without lang-updated');
resolve(element);
}
}
else {
reject(new Error('setupFixture returns null for ' +
fixtureName + ' ' + JSON.stringify(fixtureModel,null,2)));
}
});
}
}
function restoreFixture (fixtureName) {
var e = document.querySelector('#' + fixtureName);
if (!e) {
throw new Error('Fixture element with id = ' + fixtureName + ' not found');
}
if (e.is === 'i18n-dom-bind') {
if (e._intervalId) {
clearInterval(e._intervalId);
}
Array.prototype.forEach.call(document.querySelectorAll('[is="i18n-dom-bind"]'),
function (node) {
node.observeHtmlLang = true;
}
);
}
else {
teardownFakeServer(e);
e.restore();
}
}
function getLocalDomRoot (e) {
if (e.is === 'i18n-dom-bind') {
return e.parentElement;
}
else if (e) {
return e.root;
}
else {
return null;
}
}
function suitesRunner (suites) {
suites.forEach(function (params) {
suite(params.suite, function () {
var el;
var p;
var n;
var i, j;
var expected;
var results;
var node;
var rawValue = params.rawValue;
var fixtureElement;
var noProperties;
var lang = params.assign && params.assign.lang ? params.assign.lang : 'en';
var event = params.event ? params.event : 'lang-updated';
var defTimeout = 300000;
var timeout = params.timeout ? (params.timeout < defTimeout ? defTimeout : params.timeout) : defTimeout;
this.timeout(timeout);
(params.setup ? setup : suiteSetup)(function () {
return setupFixture(params, params.fixtureModel)
.then(function (element) {
el = element;
//console.log('setup: element.lang = ' + element.lang);
return new Promise(function (resolve, reject) {
//console.log(params.suite, 'waiting for ' + event);
if (params &&
(params.event ||
params.assign && (params.assign.lang || params.assign['html.lang']))) {
el.addEventListener(event, function fixtureSetup (e) {
if (el === Polymer.dom(e).rootTarget &&
el.lang === params.lang &&
el.effectiveLang === params.effectiveLang) {
el.removeEventListener(event, fixtureSetup);
//console.log('setup: updateProperty resolving on ' + event);
resolve(el);
}
else {
console.log(params.suite + ' skipping uninteresting event ' + event +
' "' + el.lang + '" "' + params.lang + '" "' + el.effectiveLang + '" "' + params.effectiveLang + '"');
}
});
//console.log('setup: updateProperty ' + JSON.stringify(params.assign, null, 2));
updateProperty(el, params.assign);
}
else {
//console.log('setup: updateProperty ' + JSON.stringify(params.assign, null, 2));
//console.log('setup: updateProperty resolving without ' + event);
updateProperty(el, params.assign);
resolve(el);
}
});
}, function (error) {
throw new Error(error);
});
});
test('{lang, effectiveLang, templateDefaultLang, observeHtmlLang' +
(params.text ? ', text' : '') +
(params.model ? ', model' : '') +
(params.localDOM ? ', local DOM' : '') +
'} properties are set as {' +
(isSuppressingSuiteParams ? '' :
[ params.lang, params.effectiveLang, params.templateDefaultLang, params.observeHtmlLang].join(', ') +
(params.text ? ', ' + JSON.stringify(params.text, null, 2) : '') +
(params.model ? ', ' + JSON.stringify(params.model, null, 2) : '') +
(!params.setup && params.localDOM ? ', ' + JSON.stringify(params.localDOM, null, 2) : '')) +
'}' +
(params.assign && params.assign.lang ? ' for ' + params.assign.lang : ''), function () {
assert.isString(el.lang, 'lang property is a string');
assert.equal(el.lang, params.lang, 'lang property is set');
assert.isString(el.effectiveLang, 'effectiveLang property is a string');
assert.equal(el.effectiveLang, params.effectiveLang, 'effectiveLang property is set');
assert.isString(el.templateDefaultLang, 'templateDefaultLang property is a string');
assert.equal(el.templateDefaultLang, params.templateDefaultLang, 'templateDefaultLang property is set');
assert.isBoolean(el.observeHtmlLang, 'observeHtmlLang property is a Boolean');
assert.equal(el.observeHtmlLang, params.observeHtmlLang, 'observeHtmlLang property is set');
if (params.text) {
expected = deepMap(deepcopy(params.text), params.text, minifyText);
noProperties = true;
assert.isObject(el.text, 'text property is an object');
//console.log(JSON.stringify(e.detail, null, 2));
//console.log(JSON.stringify(el.text, null, 2));
for (p in expected) {
if (p === 'meta') {
continue;
}
noProperties = false;
assert.deepEqual(deepMap(deepcopy(el.text[p]), el.text[p], minifyText),
params.rawText ? expected[p] : translate(params.effectiveLang, null, expected[p]),
'text.' + p + ' property is set for ' + params.effectiveLang);
}
if (noProperties) {
assert.deepEqual(deepMap(deepcopy(el.text), el.text, minifyText),
expected,
'text property is set');
}
}
if (params.model) {
noProperties = true;
assert.isObject(el.model, 'model property is an object');
for (p in params.model) {
noProperties = false;
//console.log('model.' + p + ' = ' + JSON.stringify(el.model[p]));
//console.log('expected model.' + p + ' = ' + JSON.stringify(translate(el.effectiveLang, null, params.model[p])));
assert.deepEqual(deepMap(deepcopy(el.model[p]), el.model[p], minifyText),
params.rawText ? params.model[p] : translate(params.effectiveLang, null, params.model[p]),
'model.' + p + ' property is set for ' + params.effectiveLang);
}
if (noProperties) {
assert.deepEqual(el.model, params.model, 'model property is set');
}
}
if (!params.setup && params.localDOM) {
params.localDOM.forEach(function (childPath) {
var completeStatus;
var nodes = Polymer.dom(getLocalDomRoot(el)).querySelectorAll(childPath.select);
assert.ok(nodes.length > 0, childPath.select + ' is defined');
for (var p in childPath) {
if (p === 'select') {
continue;
}
//console.log(p + ' is set as ' + childPath[p]);
if (Array.isArray(childPath[p])) {
//console.log(nodes);
Array.prototype.forEach.call(childPath[p], function (path, i, a) {
assert.equal(minifyText(getProperty(nodes[i], p)),
minifyText(params.rawText ? path : translate(params.effectiveLang, p, path)),
p + ' is set as ' + minifyText(params.rawText ? path : translate(params.effectiveLang, p, path)));
});
}
else {
//console.log(nodes[0]);
assert.equal(minifyText(getProperty(nodes[0], p)),
minifyText(params.rawText ? childPath[p] : translate(params.effectiveLang, p, childPath[p])),
p + ' is set as ' + translate(params.rawText ? childPath[p] : params.effectiveLang, p, childPath[p]));
}
}
//console.log(childPath);
});
}
});
/*
if (params.text) {
test('text' + ' property is set as ' + JSON.stringify(params.text,null,2) +
(params.assign && params.assign.lang ? ' for ' + params.assign.lang : ''), function () {
expected = deepMap(deepcopy(params.text), params.text, minifyText);
noProperties = true;
assert.isObject(el.text, 'text property is an object');
//console.log(JSON.stringify(e.detail, null, 2));
//console.log(JSON.stringify(el.text, null, 2));
for (p in expected) {
noProperties = false;
assert.deepEqual(deepMap(deepcopy(el.text[p]), el.text[p], minifyText),
params.rawText ? expected[p] : translate(params.effectiveLang, null, expected[p]),
'text.' + p + ' property is set for ' + params.effectiveLang);
}
if (noProperties) {
assert.deepEqual(deepMap(deepcopy(el.text), el.text, minifyText),
expected,
'text property is set');
}
});
}
if (params.model) {
test('model' + ' property is set as ' + JSON.stringify(params.model,null,2) +
(params.assign && params.assign.lang ? ' for ' + params.assign.lang : ''), function () {
noProperties = true;
assert.isObject(el.model, 'model property is an object');
for (p in params.model) {
noProperties = false;
//console.log('model.' + p + ' = ' + JSON.stringify(el.model[p]));
//console.log('expected model.' + p + ' = ' + JSON.stringify(translate(el.effectiveLang, null, params.model[p])));
assert.deepEqual(el.model[p],
params.rawText ? params.model[p] : translate(params.effectiveLang, null, params.model[p]),
'model.' + p + ' property is set for ' + params.effectiveLang);
}
if (noProperties) {
assert.deepEqual(el.model, params.model, 'model property is set');
}
});
}
*/
if (params.setup && params.localDOM) {
test('local DOM ' + (isSuppressingSuiteParams ? '{}' : JSON.stringify(params.localDOM, null, 2)) + ' is set' +
(params.assign && params.assign.lang ? ' for ' + params.assign.lang : ''), function () {
params.localDOM.forEach(function (childPath) {
var completeStatus;
var nodes = Polymer.dom(getLocalDomRoot(el)).querySelectorAll(childPath.select);
assert.ok(nodes.length > 0, childPath.select + ' is defined');
for (var p in childPath) {
if (p === 'select') {
continue;
}
//console.log(p + ' is set as ' + childPath[p]);
if (Array.isArray(childPath[p])) {
//console.log(nodes);
Array.prototype.forEach.call(childPath[p], function (path, i, a) {
assert.equal(minifyText(getProperty(nodes[i], p)),
minifyText(params.rawText ? path : translate(params.effectiveLang, p, path)),
p + ' is set as ' + minifyText(params.rawText ? path : translate(params.effectiveLang, p, path)));
});
}
else {
//console.log(nodes[0]);
assert.equal(minifyText(getProperty(nodes[0], p)),
minifyText(params.rawText ? childPath[p] : translate(params.effectiveLang, p, childPath[p])),
p + ' is set as ' + translate(params.rawText ? childPath[p] : params.effectiveLang, p, childPath[p]));
}
}
//console.log(childPath);
});
});
}
if (params.lightDOM) {
test('light DOM ' + (isSuppressingSuiteParams ? '{}' : JSON.stringify(params.lightDOM, null, 2)) + ' is set' +
(params.assign && params.assign.lang ? ' for ' + params.assign.lang : ''), function () {
params.lightDOM.forEach(function (childPath) {
var completeStatus;
var nodes = Polymer.dom(el).querySelectorAll(childPath.select);
assert.ok(nodes.length > 0, childPath.select + ' is defined');
for (var p in childPath) {
if (p === 'select') {
continue;
}
//console.log(p + ' is set as ' + childPath[p]);
if (Array.isArray(childPath[p])) {
//console.log(nodes);
Array.prototype.forEach.call(childPath[p], function (path, i, a) {
assert.equal(getProperty(nodes[i], p), translate(params.effectiveLang, p, path), p + ' is set as ' + translate(params.effectiveLang, p, path));
});
}
else {
//console.log(nodes[0]);
assert.equal(getProperty(nodes[0], p), translate(params.effectiveLang, p, childPath[p]), p + ' is set as ' + translate(params.effectiveLang, p, childPath[p]));
}
}
//console.log(childPath);
});
});
}
(params.setup ? teardown : suiteTeardown)(function () {
restoreFixture(params.fixture);
});
});
});
}