angular-cn/packages/core/test/render3/i18n_spec.ts

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {noop} from '../../../compiler/src/render3/view/util';
import {Component as _Component} from '../../src/core';
import {defineComponent, defineDirective} from '../../src/render3/definition';
import {getTranslationForTemplate, i18n, i18nApply, i18nAttributes, i18nEnd, i18nExp, i18nPostprocess, i18nStart} from '../../src/render3/i18n';
import {RenderFlags} from '../../src/render3/interfaces/definition';
import {AttributeMarker} from '../../src/render3/interfaces/node';
import {getNativeByIndex, getTNode} from '../../src/render3/util';
import {NgIf} from './common_with_def';
import {allocHostVars, element, elementEnd, elementStart, template, text, nextContext, bind, elementProperty, projectionDef, projection, elementContainerStart, elementContainerEnd} from '../../src/render3/instructions';
import {COMMENT_MARKER, ELEMENT_MARKER, I18nMutateOpCode, I18nUpdateOpCode, I18nUpdateOpCodes, TI18n} from '../../src/render3/interfaces/i18n';
import {HEADER_OFFSET, LView, TVIEW} from '../../src/render3/interfaces/view';
import {ComponentFixture, TemplateFixture} from './render_util';
const Component: typeof _Component = function(...args: any[]): any {
// In test we use @Component for documentation only so it's safe to mock out the implementation.
return () => undefined;
} as any;
describe('Runtime i18n', () => {
describe('getTranslationForTemplate', () => {
it('should crop messages for the selected template', () => {
let message = `simple text`;
expect(getTranslationForTemplate(message)).toEqual(message);
message = `Hello <20>0<EFBFBD>!`;
expect(getTranslationForTemplate(message)).toEqual(message);
message = `Hello <20>#2<><32>0<EFBFBD><30>/#2<>!`;
expect(getTranslationForTemplate(message)).toEqual(message);
// Embedded sub-templates
message = `<EFBFBD>0<EFBFBD> is rendered as: <20>*2:1<>before<72>*1:2<>middle<6C>/*1:2<>after<65>/*2:1<>!`;
expect(getTranslationForTemplate(message)).toEqual('<27>0<EFBFBD> is rendered as: <20>*2:1<><31>/*2:1<>!');
expect(getTranslationForTemplate(message, 1)).toEqual('before<72>*1:2<><32>/*1:2<>after');
expect(getTranslationForTemplate(message, 2)).toEqual('middle');
// Embedded & sibling sub-templates
message =
`<EFBFBD>0<EFBFBD> is rendered as: <20>*2:1<>before<72>*1:2<>middle<6C>/*1:2<>after<65>/*2:1<> and also <20>*4:3<>before<72>*1:4<>middle<6C>/*1:4<>after<65>/*4:3<>!`;
expect(getTranslationForTemplate(message))
.toEqual('<27>0<EFBFBD> is rendered as: <20>*2:1<><31>/*2:1<> and also <20>*4:3<><33>/*4:3<>!');
expect(getTranslationForTemplate(message, 1)).toEqual('before<72>*1:2<><32>/*1:2<>after');
expect(getTranslationForTemplate(message, 2)).toEqual('middle');
expect(getTranslationForTemplate(message, 3)).toEqual('before<72>*1:4<><34>/*1:4<>after');
expect(getTranslationForTemplate(message, 4)).toEqual('middle');
});
it('should throw if the template is malformed', () => {
const message = `<EFBFBD>*2:1<>message!`;
expect(() => getTranslationForTemplate(message)).toThrowError(/Tag mismatch/);
});
});
function prepareFixture(
createTemplate: () => void, updateTemplate: (() => void)|null, nbConsts = 0,
nbVars = 0): TemplateFixture {
return new TemplateFixture(createTemplate, updateTemplate || noop, nbConsts, nbVars);
}
function getOpCodes(
createTemplate: () => void, updateTemplate: (() => void)|null, nbConsts: number,
index: number): TI18n|I18nUpdateOpCodes {
const fixture = prepareFixture(createTemplate, updateTemplate, nbConsts);
const tView = fixture.hostView[TVIEW];
return tView.data[index + HEADER_OFFSET] as TI18n;
}
describe('i18nStart', () => {
it('for text', () => {
const MSG_DIV = `simple text`;
const nbConsts = 1;
const index = 0;
const opCodes = getOpCodes(() => { i18nStart(index, MSG_DIV); }, null, nbConsts, index);
expect(opCodes).toEqual({
vars: 1,
create: [
'simple text', nbConsts,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild
],
update: [],
icus: null
});
});
it('for elements', () => {
const MSG_DIV = `Hello <20>#2<>world<6C>/#2<> and <20>#3<>universe<73>/#3<>!`;
// Template: `<div>Hello <div>world</div> and <span>universe</span>!`
// 3 consts for the 2 divs and 1 span + 1 const for `i18nStart` = 4 consts
const nbConsts = 4;
const index = 1;
const elementIndex = 2;
const elementIndex2 = 3;
const opCodes = getOpCodes(() => { i18nStart(index, MSG_DIV); }, null, nbConsts, index);
expect(opCodes).toEqual({
vars: 5,
create: [
'Hello ',
nbConsts,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
elementIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Select,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'world',
nbConsts + 1,
elementIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
elementIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.ElementEnd,
' and ',
nbConsts + 2,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
elementIndex2 << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Select,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'universe',
nbConsts + 3,
elementIndex2 << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
elementIndex2 << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.ElementEnd,
'!',
nbConsts + 4,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
],
update: [],
icus: null
});
});
it('for simple bindings', () => {
const MSG_DIV = `Hello <20>0<EFBFBD>!`;
const nbConsts = 2;
const index = 1;
const opCodes = getOpCodes(() => { i18nStart(index, MSG_DIV); }, null, nbConsts, index);
expect(opCodes).toEqual({
vars: 1,
create:
['', nbConsts, index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild],
update: [
0b1, // bindings mask
4, // if no update, skip 4
'Hello ',
-1, // binding index
'!', (index + 1) << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Text
],
icus: null
});
});
it('for multiple bindings', () => {
const MSG_DIV = `Hello <20>0<EFBFBD> and <20>1<EFBFBD>, again <20>0<EFBFBD>!`;
const nbConsts = 2;
const index = 1;
const opCodes = getOpCodes(() => { i18nStart(index, MSG_DIV); }, null, nbConsts, index);
expect(opCodes).toEqual({
vars: 1,
create:
['', nbConsts, index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild],
update: [
0b11, // bindings mask
8, // if no update, skip 8
'Hello ', -1, ' and ', -2, ', again ', -1, '!',
(index + 1) << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Text
],
icus: null
});
});
it('for sub-templates', () => {
// Template:
// <div>
// {{value}} is rendered as:
// <span *ngIf>
// before <b *ngIf>middle</b> after
// </span>
// !
// </div>
const MSG_DIV =
`<EFBFBD>0<EFBFBD> is rendered as: <20>*2:1<><31>#1:1<>before<72>*2:2<><32>#1:2<>middle<6C>/#1:2<><32>/*2:2<>after<65>/#1:1<><31>/*2:1<>!`;
/**** Root template ****/
// <20>0<EFBFBD> is rendered as: <20>*2:1<><31>/*2:1<>!
let nbConsts = 3;
let index = 1;
const firstTextNode = 3;
let opCodes = getOpCodes(() => { i18nStart(index, MSG_DIV); }, null, nbConsts, index);
expect(opCodes).toEqual({
vars: 2,
create: [
'',
nbConsts,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
2 << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Select,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'!',
nbConsts + 1,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
],
update: [
0b1, // bindings mask
3, // if no update, skip 3
-1, // binding index
' is rendered as: ', firstTextNode << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Text
],
icus: null
});
/**** First sub-template ****/
// <20>#1:1<>before<72>*2:2<>middle<6C>/*2:2<>after<65>/#1:1<>
nbConsts = 3;
index = 0;
const spanElement = 1;
const bElementSubTemplate = 2;
opCodes = getOpCodes(() => { i18nStart(index, MSG_DIV, 1); }, null, nbConsts, index);
expect(opCodes).toEqual({
vars: 2,
create: [
spanElement << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Select,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'before',
nbConsts,
spanElement << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
bElementSubTemplate << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Select,
spanElement << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'after',
nbConsts + 1,
spanElement << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
spanElement << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.ElementEnd,
],
update: [],
icus: null
});
/**** Second sub-template ****/
// middle
nbConsts = 2;
index = 0;
const bElement = 1;
opCodes = getOpCodes(() => { i18nStart(index, MSG_DIV, 2); }, null, nbConsts, index);
expect(opCodes).toEqual({
vars: 1,
create: [
bElement << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Select,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'middle',
nbConsts,
bElement << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
bElement << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.ElementEnd,
],
update: [],
icus: null
});
});
it('for ICU expressions', () => {
const MSG_DIV = `{<7B>0<EFBFBD>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0<EFBFBD> <span title="<22>1<EFBFBD>">emails</span>}
}`;
const nbConsts = 1;
const index = 0;
const opCodes = getOpCodes(() => { i18nStart(index, MSG_DIV); }, null, nbConsts, index);
const tIcuIndex = 0;
const icuCommentNodeIndex = index + 1;
const firstTextNodeIndex = index + 2;
const bElementNodeIndex = index + 3;
const iElementNodeIndex = index + 3;
const spanElementNodeIndex = index + 3;
const innerTextNode = index + 4;
const lastTextNode = index + 5;
expect(opCodes).toEqual({
vars: 5,
create: [
COMMENT_MARKER, 'ICU 1', icuCommentNodeIndex,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild
],
update: [
0b1, // mask for ICU main binding
3, // skip 3 if not changed
-1, // icu main binding
icuCommentNodeIndex << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.IcuSwitch, tIcuIndex,
0b11, // mask for all ICU bindings
2, // skip 2 if not changed
icuCommentNodeIndex << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.IcuUpdate, tIcuIndex
],
icus: [{
type: 1,
vars: [4, 3, 3],
childIcus: [[], [], []],
cases: ['0', '1', 'other'],
create: [
[
'no ',
firstTextNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
ELEMENT_MARKER,
'b',
bElementNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
bElementNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Attr,
'title',
'none',
'emails',
innerTextNode,
bElementNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'!',
lastTextNode,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
],
[
'one ', firstTextNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
ELEMENT_MARKER, 'i', iElementNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'email', innerTextNode,
iElementNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild
],
[
'', firstTextNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
ELEMENT_MARKER, 'span', spanElementNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'emails', innerTextNode,
spanElementNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild
]
],
remove: [
[
firstTextNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
innerTextNode << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
bElementNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
lastTextNode << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
],
[
firstTextNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
innerTextNode << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
iElementNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
],
[
firstTextNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
innerTextNode << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
spanElementNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
]
],
update: [
[], [],
[
0b1, // mask for the first binding
3, // skip 3 if not changed
-1, // binding index
' ', // text string to concatenate to the binding value
firstTextNodeIndex << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Text,
0b10, // mask for the title attribute binding
4, // skip 4 if not changed
-2, // binding index
bElementNodeIndex << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Attr,
'title', // attribute name
null // sanitize function
]
]
}]
});
});
it('for nested ICU expressions', () => {
const MSG_DIV = `{<7B>0<EFBFBD>, plural,
=0 {zero}
other {<7B>0<EFBFBD> {<7B>1<EFBFBD>, select,
cat {cats}
dog {dogs}
other {animals}
}!}
}`;
const nbConsts = 1;
const index = 0;
const opCodes = getOpCodes(() => { i18nStart(index, MSG_DIV); }, null, nbConsts, index);
const icuCommentNodeIndex = index + 1;
const firstTextNodeIndex = index + 2;
const nestedIcuCommentNodeIndex = index + 3;
const lastTextNodeIndex = index + 4;
const nestedTextNodeIndex = index + 5;
const tIcuIndex = 1;
const nestedTIcuIndex = 0;
expect(opCodes).toEqual({
vars: 6,
create: [
COMMENT_MARKER, 'ICU 1', icuCommentNodeIndex,
index << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild
],
update: [
0b1, // mask for ICU main binding
3, // skip 3 if not changed
-1, // icu main binding
icuCommentNodeIndex << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.IcuSwitch, tIcuIndex,
0b11, // mask for all ICU bindings
2, // skip 2 if not changed
icuCommentNodeIndex << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.IcuUpdate, tIcuIndex
],
icus: [
{
type: 0,
vars: [1, 1, 1],
childIcus: [[], [], []],
cases: ['cat', 'dog', 'other'],
create: [
[
'cats', nestedTextNodeIndex, nestedIcuCommentNodeIndex
<< I18nMutateOpCode.SHIFT_PARENT |
I18nMutateOpCode.AppendChild
],
[
'dogs', nestedTextNodeIndex, nestedIcuCommentNodeIndex
<< I18nMutateOpCode.SHIFT_PARENT |
I18nMutateOpCode.AppendChild
],
[
'animals', nestedTextNodeIndex, nestedIcuCommentNodeIndex
<< I18nMutateOpCode.SHIFT_PARENT |
I18nMutateOpCode.AppendChild
]
],
remove: [
[nestedTextNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove],
[nestedTextNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove],
[nestedTextNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove]
],
update: [[], [], []]
},
{
type: 1,
vars: [1, 4],
childIcus: [[], [0]],
cases: ['0', 'other'],
create: [
[
'zero', firstTextNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild
],
[
'', firstTextNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
COMMENT_MARKER, 'nested ICU 0', nestedIcuCommentNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild,
'!', lastTextNodeIndex,
icuCommentNodeIndex << I18nMutateOpCode.SHIFT_PARENT | I18nMutateOpCode.AppendChild
]
],
remove: [
[firstTextNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove],
[
firstTextNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
lastTextNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
0 << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.RemoveNestedIcu,
nestedIcuCommentNodeIndex << I18nMutateOpCode.SHIFT_REF | I18nMutateOpCode.Remove,
]
],
update: [
[],
[
0b1, // mask for ICU main binding
3, // skip 3 if not changed
-1, // binding index
' ', // text string to concatenate to the binding value
firstTextNodeIndex << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Text,
0b10, // mask for inner ICU main binding
3, // skip 3 if not changed
-2, // inner ICU main binding
nestedIcuCommentNodeIndex << I18nUpdateOpCode.SHIFT_REF |
I18nUpdateOpCode.IcuSwitch,
nestedTIcuIndex,
0b10, // mask for all inner ICU bindings
2, // skip 2 if not changed
nestedIcuCommentNodeIndex << I18nUpdateOpCode.SHIFT_REF |
I18nUpdateOpCode.IcuUpdate,
nestedTIcuIndex
]
]
}
]
});
});
});
describe(`i18nEnd`, () => {
it('for text', () => {
const MSG_DIV = `simple text`;
const fixture = prepareFixture(() => {
elementStart(0, 'div');
i18n(1, MSG_DIV);
elementEnd();
}, null, 2);
expect(fixture.html).toEqual(`<div>${MSG_DIV}</div>`);
});
it('for bindings', () => {
const MSG_DIV = `Hello <20>0<EFBFBD>!`;
const fixture = prepareFixture(() => {
elementStart(0, 'div');
i18n(1, MSG_DIV);
elementEnd();
}, null, 2);
// Template should be empty because there is no update template function
expect(fixture.html).toEqual('<div></div>');
// But it should have created an empty text node in `viewData`
const textTNode = fixture.hostView[HEADER_OFFSET + 2] as Node;
expect(textTNode.nodeType).toEqual(Node.TEXT_NODE);
});
it('for elements', () => {
const MSG_DIV = `Hello <20>#3<>world<6C>/#3<> and <20>#2<>universe<73>/#2<>!`;
let fixture = prepareFixture(() => {
elementStart(0, 'div');
i18nStart(1, MSG_DIV);
element(2, 'div');
element(3, 'span');
i18nEnd();
elementEnd();
}, null, 4);
expect(fixture.html).toEqual('<div>Hello <span>world</span> and <div>universe</div>!</div>');
});
it('for translations without top level element', () => {
// When it's the first node
let MSG_DIV = `Hello world`;
let fixture = prepareFixture(() => { i18n(0, MSG_DIV); }, null, 1);
expect(fixture.html).toEqual('Hello world');
// When the first node is a text node
MSG_DIV = ` world`;
fixture = prepareFixture(() => {
text(0, 'Hello');
i18n(1, MSG_DIV);
}, null, 2);
expect(fixture.html).toEqual('Hello world');
// When the first node is an element
fixture = prepareFixture(() => {
elementStart(0, 'div');
text(1, 'Hello');
elementEnd();
i18n(2, MSG_DIV);
}, null, 3);
expect(fixture.html).toEqual('<div>Hello</div> world');
// When there is a node after
MSG_DIV = `Hello `;
fixture = prepareFixture(() => {
i18n(0, MSG_DIV);
text(1, 'world');
}, null, 2);
expect(fixture.html).toEqual('Hello world');
});
it('for deleted placeholders', () => {
const MSG_DIV = `Hello <20>#3<>world<6C>/#3<>`;
let fixture = prepareFixture(() => {
elementStart(0, 'div');
{
i18nStart(1, MSG_DIV);
{
element(2, 'div'); // Will be removed
element(3, 'span');
}
i18nEnd();
}
elementEnd();
elementStart(4, 'div');
{ text(5, '!'); }
elementEnd();
}, null, 6);
expect(fixture.html).toEqual('<div>Hello <span>world</span></div><div>!</div>');
});
it('for sub-templates', () => {
// Template: `<div>Content: <div>before<span>middle</span>after</div>!</div>`;
const MSG_DIV =
`Content: <20>*2:1<><31>#1:1<>before<72>*2:2<><32>#1:2<>middle<6C>/#1:2<><32>/*2:2<>after<65>/#1:1<><31>/*2:1<>!`;
function subTemplate_1(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
i18nStart(0, MSG_DIV, 1);
elementStart(1, 'div');
template(2, subTemplate_2, 2, 0, 'span', ['ngIf', '']);
elementEnd();
i18nEnd();
}
if (rf & RenderFlags.Update) {
elementProperty(2, 'ngIf', bind(true));
}
}
function subTemplate_2(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
i18nStart(0, MSG_DIV, 2);
element(1, 'span');
i18nEnd();
}
}
class MyApp {
static ngComponentDef = defineComponent({
type: MyApp,
selectors: [['my-app']],
directives: [NgIf],
factory: () => new MyApp(),
consts: 3,
vars: 1,
template: (rf: RenderFlags, ctx: MyApp) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'div');
i18nStart(1, MSG_DIV);
template(2, subTemplate_1, 3, 1, 'div', ['ngIf', '']);
i18nEnd();
elementEnd();
}
if (rf & RenderFlags.Update) {
elementProperty(2, 'ngIf', true);
}
}
});
}
const fixture = new ComponentFixture(MyApp);
expect(fixture.html)
.toEqual('<div>Content: <div>before<span>middle</span>after</div>!</div>');
});
it('for ICU expressions', () => {
const MSG_DIV = `{<7B>0<EFBFBD>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0<EFBFBD> <span title="<22>1<EFBFBD>">emails</span>}
}`;
const fixture = prepareFixture(() => {
elementStart(0, 'div');
i18n(1, MSG_DIV);
elementEnd();
}, null, 2);
// Template should be empty because there is no update template function
expect(fixture.html).toEqual('<div><!--ICU 2--></div>');
});
it('for multiple ICU expressions', () => {
const MSG_DIV = `{<7B>0<EFBFBD>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0<EFBFBD> <span title="<22>1<EFBFBD>">emails</span>}
} - {<7B>0<EFBFBD>, select,
other {(<28>0<EFBFBD>)}
}`;
const fixture = prepareFixture(() => {
elementStart(0, 'div');
i18n(1, MSG_DIV);
elementEnd();
}, null, 2);
// Template should be empty because there is no update template function
expect(fixture.html).toEqual('<div><!--ICU 2--> - <!--ICU 8--></div>');
});
it('for multiple ICU expressions inside html', () => {
const MSG_DIV = `<EFBFBD>#2<>{<7B>0<EFBFBD>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0<EFBFBD> <span title="<22>1<EFBFBD>">emails</span>}
}<7D>/#2<><32>#3<>{<7B>0<EFBFBD>, select,
other {(<28>0<EFBFBD>)}
}<7D>/#3<>`;
const fixture = prepareFixture(() => {
elementStart(0, 'div');
i18nStart(1, MSG_DIV);
element(2, 'span');
element(3, 'span');
i18nEnd();
elementEnd();
}, null, 4);
// Template should be empty because there is no update template function
expect(fixture.html).toEqual('<div><span><!--ICU 4--></span><span><!--ICU 9--></span></div>');
});
it('for ICU expressions inside templates', () => {
const MSG_DIV = `<EFBFBD>*2:1<><31>#1:1<>{<7B>0:1<>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0:1<> <span title="<22>1:1<>">emails</span>}
}<7D>/#1:1<><31>/*2:1<>`;
function subTemplate_1(rf: RenderFlags, ctx: any) {
if (rf & RenderFlags.Create) {
i18nStart(0, MSG_DIV, 1);
element(1, 'span');
i18nEnd();
}
if (rf & RenderFlags.Update) {
const ctx = nextContext();
i18nExp(bind(ctx.value0));
i18nExp(bind(ctx.value1));
i18nApply(0);
}
}
class MyApp {
value0 = 0;
value1 = 'emails label';
static ngComponentDef = defineComponent({
type: MyApp,
selectors: [['my-app']],
directives: [NgIf],
factory: () => new MyApp(),
consts: 3,
vars: 1,
template: (rf: RenderFlags, ctx: MyApp) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'div');
i18nStart(1, MSG_DIV);
template(2, subTemplate_1, 2, 2, 'span', [3, 'ngIf']);
i18nEnd();
elementEnd();
}
if (rf & RenderFlags.Update) {
elementProperty(2, 'ngIf', true);
}
}
});
}
const fixture = new ComponentFixture(MyApp);
expect(fixture.html)
.toEqual('<div><span>no <b title="none">emails</b>!<!--ICU 4--></span></div>');
// Update the value
fixture.component.value0 = 3;
fixture.update();
expect(fixture.html)
.toEqual(
'<div><span>3 <span title="emails label">emails</span><!--ICU 4--></span></div>');
});
it('for ICU expressions inside <ng-container>', () => {
const MSG_DIV = `{<7B>0<EFBFBD>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0<EFBFBD> <span title="<22>1<EFBFBD>">emails</span>}
}`;
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
{
elementContainerStart(1);
{ i18n(2, MSG_DIV); }
elementContainerEnd();
}
elementEnd();
},
() => {
i18nExp(bind(0));
i18nExp(bind('more than one'));
i18nApply(2);
},
3, 2);
expect(fixture.html).toEqual('<div>no <b title="none">emails</b>!<!--ICU 5--></div>');
});
it('for nested ICU expressions', () => {
const MSG_DIV = `{<7B>0<EFBFBD>, plural,
=0 {zero}
other {<7B>0<EFBFBD> {<7B>1<EFBFBD>, select,
cat {cats}
dog {dogs}
other {animals}
}!}
}`;
const fixture = prepareFixture(() => {
elementStart(0, 'div');
i18n(1, MSG_DIV);
elementEnd();
}, null, 2);
// Template should be empty because there is no update template function
expect(fixture.html).toEqual('<div><!--ICU 2--></div>');
});
});
describe(`i18nAttribute`, () => {
it('for text', () => {
const MSG_title = `Hello world!`;
const MSG_div_attr = ['title', MSG_title];
const nbConsts = 2;
const index = 1;
const fixture = prepareFixture(() => {
elementStart(0, 'div');
i18nAttributes(index, MSG_div_attr);
elementEnd();
}, null, nbConsts, index);
const tView = fixture.hostView[TVIEW];
const opCodes = tView.data[index + HEADER_OFFSET] as I18nUpdateOpCodes;
expect(opCodes).toEqual([]);
expect(
(getNativeByIndex(0, fixture.hostView as LView) as any as Element).getAttribute('title'))
.toEqual(MSG_title);
});
it('for simple bindings', () => {
const MSG_title = `Hello <20>0<EFBFBD>!`;
const MSG_div_attr = ['title', MSG_title];
const nbConsts = 2;
const index = 1;
const opCodes =
getOpCodes(() => { i18nAttributes(index, MSG_div_attr); }, null, nbConsts, index);
expect(opCodes).toEqual([
0b1, // bindings mask
6, // if no update, skip 4
'Hello ',
-1, // binding index
'!', (index - 1) << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Attr, 'title', null
]);
});
it('for multiple bindings', () => {
const MSG_title = `Hello <20>0<EFBFBD> and <20>1<EFBFBD>, again <20>0<EFBFBD>!`;
const MSG_div_attr = ['title', MSG_title];
const nbConsts = 2;
const index = 1;
const opCodes =
getOpCodes(() => { i18nAttributes(index, MSG_div_attr); }, null, nbConsts, index);
expect(opCodes).toEqual([
0b11, // bindings mask
10, // size
'Hello ', -1, ' and ', -2, ', again ', -1, '!',
(index - 1) << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Attr, 'title', null
]);
});
it('for multiple attributes', () => {
const MSG_title = `Hello <20>0<EFBFBD>!`;
const MSG_div_attr = ['title', MSG_title, 'aria-label', MSG_title];
const nbConsts = 2;
const index = 1;
const opCodes =
getOpCodes(() => { i18nAttributes(index, MSG_div_attr); }, null, nbConsts, index);
expect(opCodes).toEqual([
0b1, // bindings mask
6, // if no update, skip 4
'Hello ',
-1, // binding index
'!', (index - 1) << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Attr, 'title', null,
0b1, // bindings mask
6, // if no update, skip 4
'Hello ',
-1, // binding index
'!', (index - 1) << I18nUpdateOpCode.SHIFT_REF | I18nUpdateOpCode.Attr, 'aria-label', null
]);
});
});
describe(`i18nExp & i18nApply`, () => {
it('for text bindings', () => {
const MSG_DIV = `Hello <20>0<EFBFBD>!`;
const ctx = {value: 'world'};
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
i18n(1, MSG_DIV);
elementEnd();
},
() => {
i18nExp(bind(ctx.value));
i18nApply(1);
},
2, 1);
// Template should be empty because there is no update template function
expect(fixture.html).toEqual('<div>Hello world!</div>');
});
it('for attribute bindings', () => {
const MSG_title = `Hello <20>0<EFBFBD>!`;
const MSG_div_attr = ['title', MSG_title];
const ctx = {value: 'world'};
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
i18nAttributes(1, MSG_div_attr);
elementEnd();
},
() => {
i18nExp(bind(ctx.value));
i18nApply(1);
},
2, 1);
expect(fixture.html).toEqual('<div title="Hello world!"></div>');
// Change detection cycle, no model changes
fixture.update();
expect(fixture.html).toEqual('<div title="Hello world!"></div>');
ctx.value = 'universe';
fixture.update();
expect(fixture.html).toEqual('<div title="Hello universe!"></div>');
});
it('for attributes with no bindings', () => {
const MSG_title = `Hello world!`;
const MSG_div_attr = ['title', MSG_title];
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
i18nAttributes(1, MSG_div_attr);
elementEnd();
},
() => { i18nApply(1); }, 2, 1);
expect(fixture.html).toEqual('<div title="Hello world!"></div>');
// Change detection cycle, no model changes
fixture.update();
expect(fixture.html).toEqual('<div title="Hello world!"></div>');
});
it('for multiple attribute bindings', () => {
const MSG_title = `Hello <20>0<EFBFBD> and <20>1<EFBFBD>, again <20>0<EFBFBD>!`;
const MSG_div_attr = ['title', MSG_title];
const ctx = {value0: 'world', value1: 'universe'};
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
i18nAttributes(1, MSG_div_attr);
elementEnd();
},
() => {
i18nExp(bind(ctx.value0));
i18nExp(bind(ctx.value1));
i18nApply(1);
},
2, 2);
expect(fixture.html).toEqual('<div title="Hello world and universe, again world!"></div>');
// Change detection cycle, no model changes
fixture.update();
expect(fixture.html).toEqual('<div title="Hello world and universe, again world!"></div>');
ctx.value0 = 'earth';
fixture.update();
expect(fixture.html).toEqual('<div title="Hello earth and universe, again earth!"></div>');
ctx.value0 = 'earthlings';
ctx.value1 = 'martians';
fixture.update();
expect(fixture.html)
.toEqual('<div title="Hello earthlings and martians, again earthlings!"></div>');
});
it('for bindings of multiple attributes', () => {
const MSG_title = `Hello <20>0<EFBFBD>!`;
const MSG_div_attr = ['title', MSG_title, 'aria-label', MSG_title];
const ctx = {value: 'world'};
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
i18nAttributes(1, MSG_div_attr);
elementEnd();
},
() => {
i18nExp(bind(ctx.value));
i18nApply(1);
},
2, 1);
expect(fixture.html).toEqual('<div aria-label="Hello world!" title="Hello world!"></div>');
// Change detection cycle, no model changes
fixture.update();
expect(fixture.html).toEqual('<div aria-label="Hello world!" title="Hello world!"></div>');
ctx.value = 'universe';
fixture.update();
expect(fixture.html)
.toEqual('<div aria-label="Hello universe!" title="Hello universe!"></div>');
});
it('for ICU expressions', () => {
const MSG_DIV = `{<7B>0<EFBFBD>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0<EFBFBD> <span title="<22>1<EFBFBD>">emails</span>}
}`;
const ctx = {value0: 0, value1: 'emails label'};
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
i18n(1, MSG_DIV);
elementEnd();
},
() => {
i18nExp(bind(ctx.value0));
i18nExp(bind(ctx.value1));
i18nApply(1);
},
2, 2);
expect(fixture.html).toEqual('<div>no <b title="none">emails</b>!<!--ICU 4--></div>');
// Change detection cycle, no model changes
fixture.update();
expect(fixture.html).toEqual('<div>no <b title="none">emails</b>!<!--ICU 4--></div>');
ctx.value0 = 1;
fixture.update();
expect(fixture.html).toEqual('<div>one <i>email</i><!--ICU 4--></div>');
ctx.value0 = 10;
fixture.update();
expect(fixture.html)
.toEqual('<div>10 <span title="emails label">emails</span><!--ICU 4--></div>');
ctx.value1 = '10 emails';
fixture.update();
expect(fixture.html)
.toEqual('<div>10 <span title="10 emails">emails</span><!--ICU 4--></div>');
ctx.value0 = 0;
fixture.update();
expect(fixture.html).toEqual('<div>no <b title="none">emails</b>!<!--ICU 4--></div>');
});
it('for multiple ICU expressions', () => {
const MSG_DIV = `{<7B>0<EFBFBD>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0<EFBFBD> <span title="<22>1<EFBFBD>">emails</span>}
} - {<7B>0<EFBFBD>, select,
other {(<28>0<EFBFBD>)}
}`;
const ctx = {value0: 0, value1: 'emails label'};
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
i18n(1, MSG_DIV);
elementEnd();
},
() => {
i18nExp(bind(ctx.value0));
i18nExp(bind(ctx.value1));
i18nApply(1);
},
2, 2);
expect(fixture.html)
.toEqual('<div>no <b title="none">emails</b>!<!--ICU 4--> - (0)<!--ICU 10--></div>');
// Change detection cycle, no model changes
fixture.update();
expect(fixture.html)
.toEqual('<div>no <b title="none">emails</b>!<!--ICU 4--> - (0)<!--ICU 10--></div>');
ctx.value0 = 1;
fixture.update();
expect(fixture.html).toEqual('<div>one <i>email</i><!--ICU 4--> - (1)<!--ICU 10--></div>');
ctx.value0 = 10;
fixture.update();
expect(fixture.html)
.toEqual(
'<div>10 <span title="emails label">emails</span><!--ICU 4--> - (10)<!--ICU 10--></div>');
ctx.value1 = '10 emails';
fixture.update();
expect(fixture.html)
.toEqual(
'<div>10 <span title="10 emails">emails</span><!--ICU 4--> - (10)<!--ICU 10--></div>');
ctx.value0 = 0;
fixture.update();
expect(fixture.html)
.toEqual('<div>no <b title="none">emails</b>!<!--ICU 4--> - (0)<!--ICU 10--></div>');
});
it('for multiple ICU expressions', () => {
const MSG_DIV = `<EFBFBD>#2<>{<7B>0<EFBFBD>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0<EFBFBD> <span title="<22>1<EFBFBD>">emails</span>}
}<7D>/#2<><32>#3<>{<7B>0<EFBFBD>, select,
other {(<28>0<EFBFBD>)}
}<7D>/#3<>`;
const ctx = {value0: 0, value1: 'emails label'};
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
i18nStart(1, MSG_DIV);
element(2, 'span');
element(3, 'span');
i18nEnd();
elementEnd();
},
() => {
i18nExp(bind(ctx.value0));
i18nExp(bind(ctx.value1));
i18nApply(1);
},
4, 2);
expect(fixture.html)
.toEqual(
'<div><span>no <b title="none">emails</b>!<!--ICU 6--></span><span>(0)<!--ICU 11--></span></div>');
// Change detection cycle, no model changes
fixture.update();
expect(fixture.html)
.toEqual(
'<div><span>no <b title="none">emails</b>!<!--ICU 6--></span><span>(0)<!--ICU 11--></span></div>');
ctx.value0 = 1;
fixture.update();
expect(fixture.html)
.toEqual(
'<div><span>one <i>email</i><!--ICU 6--></span><span>(1)<!--ICU 11--></span></div>');
ctx.value0 = 10;
fixture.update();
expect(fixture.html)
.toEqual(
'<div><span>10 <span title="emails label">emails</span><!--ICU 6--></span><span>(10)<!--ICU 11--></span></div>');
ctx.value1 = '10 emails';
fixture.update();
expect(fixture.html)
.toEqual(
'<div><span>10 <span title="10 emails">emails</span><!--ICU 6--></span><span>(10)<!--ICU 11--></span></div>');
ctx.value0 = 0;
fixture.update();
expect(fixture.html)
.toEqual(
'<div><span>no <b title="none">emails</b>!<!--ICU 6--></span><span>(0)<!--ICU 11--></span></div>');
});
it('for nested ICU expressions', () => {
const MSG_DIV = `{<7B>0<EFBFBD>, plural,
=0 {zero}
other {<7B>0<EFBFBD> {<7B>1<EFBFBD>, select,
cat {cats}
dog {dogs}
other {animals}
}!}
}`;
const ctx = {value0: 0, value1: 'cat'};
const fixture = prepareFixture(
() => {
elementStart(0, 'div');
i18n(1, MSG_DIV);
elementEnd();
},
() => {
i18nExp(bind(ctx.value0));
i18nExp(bind(ctx.value1));
i18nApply(1);
},
2, 2);
expect(fixture.html).toEqual('<div>zero<!--ICU 4--></div>');
// Change detection cycle, no model changes
fixture.update();
expect(fixture.html).toEqual('<div>zero<!--ICU 4--></div>');
ctx.value0 = 10;
fixture.update();
expect(fixture.html).toEqual('<div>10 cats<!--nested ICU 0-->!<!--ICU 4--></div>');
ctx.value1 = 'squirrel';
fixture.update();
expect(fixture.html).toEqual('<div>10 animals<!--nested ICU 0-->!<!--ICU 4--></div>');
ctx.value0 = 0;
fixture.update();
expect(fixture.html).toEqual('<div>zero<!--ICU 4--></div>');
});
});
describe('integration', () => {
it('should support multiple i18n blocks', () => {
// Translated template:
// <div>
// <a i18n>
// trad {{exp1}}
// </a>
// hello
// <b i18n i18n-title title="start {{exp2}} middle {{exp1}} end">
// <e></e>
// <c>trad</c>
// </b>
// </div>
const MSG_DIV_1 = `trad <20>0<EFBFBD>`;
const MSG_DIV_2_ATTR = ['title', `start <20>1<EFBFBD> middle <20>0<EFBFBD> end`];
const MSG_DIV_2 = `<EFBFBD>#9<><39>/#9<><39>#7<>trad<61>/#7<>`;
class MyApp {
exp1 = '1';
exp2 = '2';
static ngComponentDef = defineComponent({
type: MyApp,
selectors: [['my-app']],
factory: () => new MyApp(),
consts: 10,
vars: 2,
template: (rf: RenderFlags, ctx: MyApp) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'div');
{
elementStart(1, 'a');
{ i18n(2, MSG_DIV_1); }
elementEnd();
text(3, 'hello');
elementStart(4, 'b');
{
i18nAttributes(5, MSG_DIV_2_ATTR);
i18nStart(6, MSG_DIV_2);
{
element(7, 'c');
element(8, 'd'); // will be removed
element(9, 'e'); // will be moved before `c`
}
i18nEnd();
}
elementEnd();
}
elementEnd();
}
if (rf & RenderFlags.Update) {
i18nExp(bind(ctx.exp1));
i18nApply(2);
i18nExp(bind(ctx.exp1));
i18nExp(bind(ctx.exp2));
i18nApply(5);
}
}
});
}
const fixture = new ComponentFixture(MyApp);
expect(fixture.html)
.toEqual(
`<div><a>trad 1</a>hello<b title="start 2 middle 1 end"><e></e><c>trad</c></b></div>`);
});
it('should support attribute translations on removed elements', () => {
// Translated template:
// <div i18n i18n-title title="start {{exp2}} middle {{exp1}} end">
// trad {{exp1}}
// </div>
const MSG_DIV_1 = `trad <20>0<EFBFBD>`;
const MSG_DIV_1_ATTR_1 = ['title', `start <20>1<EFBFBD> middle <20>0<EFBFBD> end`];
class MyApp {
exp1 = '1';
exp2 = '2';
static ngComponentDef = defineComponent({
type: MyApp,
selectors: [['my-app']],
factory: () => new MyApp(),
consts: 5,
vars: 5,
template: (rf: RenderFlags, ctx: MyApp) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'div');
{
i18nAttributes(1, MSG_DIV_1_ATTR_1);
i18nStart(2, MSG_DIV_1);
{
elementStart(3, 'b'); // Will be removed
{ i18nAttributes(4, MSG_DIV_1_ATTR_1); }
elementEnd();
}
i18nEnd();
}
elementEnd();
}
if (rf & RenderFlags.Update) {
i18nExp(bind(ctx.exp1));
i18nExp(bind(ctx.exp2));
i18nApply(1);
i18nExp(bind(ctx.exp1));
i18nApply(2);
i18nExp(bind(ctx.exp1));
i18nExp(bind(ctx.exp2));
i18nApply(4);
}
}
});
}
const fixture = new ComponentFixture(MyApp);
expect(fixture.html).toEqual(`<div title="start 2 middle 1 end">trad 1</div>`);
});
it('should work with directives and host bindings', () => {
let directiveInstances: Directive[] = [];
class Directive {
// @HostBinding('className')
klass = 'foo';
static ngDirectiveDef = defineDirective({
type: Directive,
selectors: [['', 'dir', '']],
factory: () => {
const instance = new Directive();
directiveInstances.push(instance);
return instance;
},
hostBindings: (rf: RenderFlags, ctx: any, elementIndex: number) => {
if (rf & RenderFlags.Create) {
allocHostVars(1);
}
if (rf & RenderFlags.Update) {
elementProperty(elementIndex, 'className', bind(ctx.klass), null, true);
}
}
});
}
// Translated template:
// <div i18n [test]="false" i18n-title title="start {{exp2}} middle {{exp1}} end">
// trad {<7B>0<EFBFBD>, plural,
// =0 {no <b title="none">emails</b>!}
// =1 {one <i>email</i>}
// other {<7B>0<EFBFBD> emails}
// }
// </div>
const MSG_DIV_1 = `trad {<7B>0<EFBFBD>, plural,
=0 {no <b title="none">emails</b>!}
=1 {one <i>email</i>}
other {<7B>0<EFBFBD> emails}
}`;
const MSG_DIV_1_ATTR_1 = ['title', `start <20>1<EFBFBD> middle <20>0<EFBFBD> end`];
class MyApp {
exp1 = 1;
exp2 = 2;
static ngComponentDef = defineComponent({
type: MyApp,
selectors: [['my-app']],
factory: () => new MyApp(),
consts: 6,
vars: 5,
directives: [Directive],
template: (rf: RenderFlags, ctx: MyApp) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'div', [AttributeMarker.SelectOnly, 'dir']);
{
i18nAttributes(1, MSG_DIV_1_ATTR_1);
i18nStart(2, MSG_DIV_1);
{
elementStart(3, 'b', [AttributeMarker.SelectOnly, 'dir']); // Will be removed
{ i18nAttributes(4, MSG_DIV_1_ATTR_1); }
elementEnd();
}
i18nEnd();
}
elementEnd();
element(5, 'div', [AttributeMarker.SelectOnly, 'dir']);
}
if (rf & RenderFlags.Update) {
i18nExp(bind(ctx.exp1));
i18nExp(bind(ctx.exp2));
i18nApply(1);
i18nExp(bind(ctx.exp1));
i18nApply(2);
i18nExp(bind(ctx.exp1));
i18nExp(bind(ctx.exp2));
i18nApply(4);
}
}
});
}
const fixture = new ComponentFixture(MyApp);
// the "test" attribute should not be reflected in the DOM as it is here only for directive
// matching purposes
expect(fixture.html)
.toEqual(
`<div class="foo" title="start 2 middle 1 end">trad one <i>email</i><!--ICU 23--></div><div class="foo"></div>`);
directiveInstances.forEach(instance => instance.klass = 'bar');
fixture.component.exp1 = 2;
fixture.component.exp2 = 3;
fixture.update();
expect(fixture.html)
.toEqual(
`<div class="bar" title="start 3 middle 2 end">trad 2 emails<!--ICU 23--></div><div class="bar"></div>`);
});
it('should fix the links when adding/moving/removing nodes', () => {
const MSG_DIV = `<EFBFBD>#2<><32>/#2<><32>#8<><38>/#8<><38>#4<><34>/#4<><34>#5<><35>/#5<>Hello World<6C>#3<><33>/#3<><33>#7<><37>/#7<>`;
let fixture = prepareFixture(() => {
elementStart(0, 'div');
{
i18nStart(1, MSG_DIV);
{
element(2, 'div2');
element(3, 'div3');
element(4, 'div4');
element(5, 'div5');
element(6, 'div6');
element(7, 'div7');
element(8, 'div8');
}
i18nEnd();
}
elementEnd();
}, null, 9);
expect(fixture.html)
.toEqual(
'<div><div2></div2><div8></div8><div4></div4><div5></div5>Hello World<div3></div3><div7></div7></div>');
const div0 = getTNode(0, fixture.hostView);
const div2 = getTNode(2, fixture.hostView);
const div3 = getTNode(3, fixture.hostView);
const div4 = getTNode(4, fixture.hostView);
const div5 = getTNode(5, fixture.hostView);
const div7 = getTNode(7, fixture.hostView);
const div8 = getTNode(8, fixture.hostView);
const text = getTNode(9, fixture.hostView);
expect(div0.child).toEqual(div2);
expect(div0.next).toBeNull();
expect(div2.next).toEqual(div8);
expect(div8.next).toEqual(div4);
expect(div4.next).toEqual(div5);
expect(div5.next).toEqual(text);
expect(text.next).toEqual(div3);
expect(div3.next).toEqual(div7);
expect(div7.next).toBeNull();
});
describe('projection', () => {
it('should project the translations', () => {
@Component({selector: 'child', template: '<p><ng-content></ng-content></p>'})
class Child {
static ngComponentDef = defineComponent({
type: Child,
selectors: [['child']],
factory: () => new Child(),
consts: 2,
vars: 0,
template: (rf: RenderFlags, cmp: Child) => {
if (rf & RenderFlags.Create) {
projectionDef();
elementStart(0, 'p');
{ projection(1); }
elementEnd();
}
}
});
}
const MSG_DIV_SECTION_1 = `<EFBFBD>#2<>Je suis projeté depuis <20>#3<><33>0<EFBFBD><30>/#3<><33>/#2<>`;
const MSG_ATTR_1 = ['title', `Enfant de <20>0<EFBFBD>`];
@Component({
selector: 'parent',
template: `
<div i18n>
<child>
I am projected from
<b i18n-title title="Child of {{name}}">{{name}}
<remove-me-1></remove-me-1>
</b>
<remove-me-2></remove-me-2>
</child>
<remove-me-3></remove-me-3>
</div>`
// Translated to:
// <div i18n>
// <child>
// <p>
// Je suis projeté depuis <b i18n-title title="Enfant de {{name}}">{{name}}</b>
// </p>
// </child>
// </div>
})
class Parent {
name: string = 'Parent';
static ngComponentDef = defineComponent({
type: Parent,
selectors: [['parent']],
directives: [Child],
factory: () => new Parent(),
consts: 8,
vars: 2,
template: (rf: RenderFlags, cmp: Parent) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'div');
{
i18nStart(1, MSG_DIV_SECTION_1);
{
elementStart(2, 'child');
{
elementStart(3, 'b');
{
i18nAttributes(4, MSG_ATTR_1);
element(5, 'remove-me-1');
}
elementEnd();
element(6, 'remove-me-2');
}
elementEnd();
element(7, 'remove-me-3');
}
i18nEnd();
}
elementEnd();
}
if (rf & RenderFlags.Update) {
i18nExp(bind(cmp.name));
i18nApply(1);
i18nExp(bind(cmp.name));
i18nApply(4);
}
}
});
}
const fixture = new ComponentFixture(Parent);
expect(fixture.html)
.toEqual(
'<div><child><p>Je suis projeté depuis <b title="Enfant de Parent">Parent</b></p></child></div>');
// <div><child><p><b title="Enfant de Parent">Parent</b></p></child></div>
// <div><child><p>Je suis projeté depuis <b title="Enfant de
// Parent">Parent</b></p></child></div>
});
it('should project a translated i18n block', () => {
@Component({selector: 'child', template: '<p><ng-content></ng-content></p>'})
class Child {
static ngComponentDef = defineComponent({
type: Child,
selectors: [['child']],
factory: () => new Child(),
consts: 2,
vars: 0,
template: (rf: RenderFlags, cmp: Child) => {
if (rf & RenderFlags.Create) {
projectionDef();
elementStart(0, 'p');
{ projection(1); }
elementEnd();
}
}
});
}
const MSG_DIV_SECTION_1 = `Je suis projeté depuis <20>0<EFBFBD>`;
const MSG_ATTR_1 = ['title', `Enfant de <20>0<EFBFBD>`];
@Component({
selector: 'parent',
template: `
<div>
<child>
<any></any>
<b i18n i18n-title title="Child of {{name}}">I am projected from {{name}}</b>
<any></any>
</child>
</div>`
// Translated to:
// <div>
// <child>
// <any></any>
// <b i18n i18n-title title="Enfant de {{name}}">Je suis projeté depuis {{name}}</b>
// <any></any>
// </child>
// </div>
})
class Parent {
name: string = 'Parent';
static ngComponentDef = defineComponent({
type: Parent,
selectors: [['parent']],
directives: [Child],
factory: () => new Parent(),
consts: 7,
vars: 2,
template: (rf: RenderFlags, cmp: Parent) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'div');
{
elementStart(1, 'child');
{
element(2, 'any');
elementStart(3, 'b');
{
i18nAttributes(4, MSG_ATTR_1);
i18n(5, MSG_DIV_SECTION_1);
}
elementEnd();
element(6, 'any');
}
elementEnd();
}
elementEnd();
}
if (rf & RenderFlags.Update) {
i18nExp(bind(cmp.name));
i18nApply(4);
i18nExp(bind(cmp.name));
i18nApply(5);
}
}
});
}
const fixture = new ComponentFixture(Parent);
expect(fixture.html)
.toEqual(
'<div><child><p><any></any><b title="Enfant de Parent">Je suis projeté depuis Parent</b><any></any></p></child></div>');
// it should be able to render a new component with the same template code
const fixture2 = new ComponentFixture(Parent);
expect(fixture2.html).toEqual(fixture.html);
// Updating the fixture should work
fixture2.component.name = 'Parent 2';
fixture.update();
fixture2.update();
expect(fixture2.html)
.toEqual(
'<div><child><p><any></any><b title="Enfant de Parent 2">Je suis projeté depuis Parent 2</b><any></any></p></child></div>');
// The first fixture should not have changed
expect(fixture.html)
.toEqual(
'<div><child><p><any></any><b title="Enfant de Parent">Je suis projeté depuis Parent</b><any></any></p></child></div>');
});
it('should re-project translations when multiple projections', () => {
@Component({selector: 'grand-child', template: '<div><ng-content></ng-content></div>'})
class GrandChild {
static ngComponentDef = defineComponent({
type: GrandChild,
selectors: [['grand-child']],
factory: () => new GrandChild(),
consts: 2,
vars: 0,
template: (rf: RenderFlags, cmp: Child) => {
if (rf & RenderFlags.Create) {
projectionDef();
elementStart(0, 'div');
{ projection(1); }
elementEnd();
}
}
});
}
@Component(
{selector: 'child', template: '<grand-child><ng-content></ng-content></grand-child>'})
class Child {
static ngComponentDef = defineComponent({
type: Child,
selectors: [['child']],
directives: [GrandChild],
factory: () => new Child(),
consts: 2,
vars: 0,
template: (rf: RenderFlags, cmp: Child) => {
if (rf & RenderFlags.Create) {
projectionDef();
elementStart(0, 'grand-child');
{ projection(1); }
elementEnd();
}
}
});
}
const MSG_DIV_SECTION_1 = `<EFBFBD>#2<>Bonjour<75>/#2<> Monde!`;
@Component({
selector: 'parent',
template: `<child i18n><b>Hello</b> World!</child>`
// Translated to:
// <child i18n><grand-child><div><b>Bonjour</b> Monde!</div></grand-child></child>
})
class Parent {
name: string = 'Parent';
static ngComponentDef = defineComponent({
type: Parent,
selectors: [['parent']],
directives: [Child],
factory: () => new Parent(),
consts: 3,
vars: 0,
template: (rf: RenderFlags, cmp: Parent) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'child');
{
i18nStart(1, MSG_DIV_SECTION_1);
{ element(2, 'b'); }
i18nEnd();
}
elementEnd();
}
}
});
}
const fixture = new ComponentFixture(Parent);
expect(fixture.html)
.toEqual('<child><grand-child><div><b>Bonjour</b> Monde!</div></grand-child></child>');
// <child><grand-child><div><b>Bonjour</b></div></grand-child></child>
// <child><grand-child><div><b>Bonjour</b> Monde!</div></grand-child></child>
});
xit('should re-project translations when removed placeholders', () => {
@Component({selector: 'grand-child', template: '<div><ng-content></ng-content></div>'})
class GrandChild {
static ngComponentDef = defineComponent({
type: GrandChild,
selectors: [['grand-child']],
factory: () => new GrandChild(),
consts: 3,
vars: 0,
template: (rf: RenderFlags, cmp: Child) => {
if (rf & RenderFlags.Create) {
projectionDef();
elementStart(0, 'div');
{ projection(1); }
elementEnd();
}
}
});
}
@Component(
{selector: 'child', template: '<grand-child><ng-content></ng-content></grand-child>'})
class Child {
static ngComponentDef = defineComponent({
type: Child,
selectors: [['child']],
directives: [GrandChild],
factory: () => new Child(),
consts: 2,
vars: 0,
template: (rf: RenderFlags, cmp: Child) => {
if (rf & RenderFlags.Create) {
projectionDef();
elementStart(0, 'grand-child');
{ projection(1); }
elementEnd();
}
}
});
}
const MSG_DIV_SECTION_1 = `Bonjour Monde!`;
@Component({
selector: 'parent',
template: `<child i18n><b>Hello</b> World!</child>`
// Translated to:
// <child i18n><grand-child><div>Bonjour Monde!</div></grand-child></child>
})
class Parent {
name: string = 'Parent';
static ngComponentDef = defineComponent({
type: Parent,
selectors: [['parent']],
directives: [Child],
factory: () => new Parent(),
consts: 3,
vars: 0,
template: (rf: RenderFlags, cmp: Parent) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'child');
{
i18nStart(1, MSG_DIV_SECTION_1);
{
element(2, 'b'); // will be removed
}
i18nEnd();
}
elementEnd();
}
}
});
}
const fixture = new ComponentFixture(Parent);
expect(fixture.html)
.toEqual('<child><grand-child><div>Bonjour Monde!</div></grand-child></child>');
});
it('should project translations with selectors', () => {
@Component({
selector: 'child',
template: `
<ng-content select="span"></ng-content>
`
})
class Child {
static ngComponentDef = defineComponent({
type: Child,
selectors: [['child']],
factory: () => new Child(),
consts: 1,
vars: 0,
template: (rf: RenderFlags, cmp: Child) => {
if (rf & RenderFlags.Create) {
projectionDef([[['span']]], ['span']);
projection(0, 1);
}
}
});
}
const MSG_DIV_SECTION_1 = `<EFBFBD>#2<>Contenu<6E>/#2<>`;
@Component({
selector: 'parent',
template: `
<child i18n>
<span title="keepMe"></span>
<span title="deleteMe"></span>
</child>
`
// Translated to:
// <child i18n><span title="keepMe">Contenu</span></child>
})
class Parent {
static ngComponentDef = defineComponent({
type: Parent,
selectors: [['parent']],
directives: [Child],
factory: () => new Parent(),
consts: 4,
vars: 0,
template: (rf: RenderFlags, cmp: Parent) => {
if (rf & RenderFlags.Create) {
elementStart(0, 'child');
{
i18nStart(1, MSG_DIV_SECTION_1);
{
element(2, 'span', ['title', 'keepMe']);
element(3, 'span', ['title', 'deleteMe']);
}
i18nEnd();
}
elementEnd();
}
}
});
}
const fixture = new ComponentFixture(Parent);
expect(fixture.html).toEqual('<child><span title="keepMe">Contenu</span></child>');
});
});
});
describe('i18nPostprocess', () => {
it('should handle valid cases', () => {
const arr = ['<27>*1:1<><31>#2:1<>', '<27>#4:1<>', '<27>6:1<>', '<27>/#2:1<><31>/*1:1<>'];
const str = `[${arr.join('|')}]`;
const cases = [
// empty string
['', {}, ''],
// string without any special cases
['Foo [1,2,3] Bar - no ICU here', {}, 'Foo [1,2,3] Bar - no ICU here'],
// multi-value cases
[
`Start: ${str}, ${str} and ${str}, ${str} end.`, {},
`Start: ${arr[0]}, ${arr[1]} and ${arr[2]}, ${arr[3]} end.`
],
// replace VAR_SELECT
[
'My ICU: {VAR_SELECT, select, =1 {one} other {other}}', {VAR_SELECT: '<27>1:2<>'},
'My ICU: {<7B>1:2<>, select, =1 {one} other {other}}'
],
[
'My ICU: {\n\n\tVAR_SELECT_1 \n\n, select, =1 {one} other {other}}',
{VAR_SELECT_1: '<27>1:2<>'}, 'My ICU: {\n\n\t<>1:2<> \n\n, select, =1 {one} other {other}}'
],
// replace VAR_PLURAL
[
'My ICU: {VAR_PLURAL, plural, one {1} other {other}}', {VAR_PLURAL: '<27>1:2<>'},
'My ICU: {<7B>1:2<>, plural, one {1} other {other}}'
],
[
'My ICU: {\n\n\tVAR_PLURAL_1 \n\n, select, =1 {one} other {other}}',
{VAR_PLURAL_1: '<27>1:2<>'}, 'My ICU: {\n\n\t<>1:2<> \n\n, select, =1 {one} other {other}}'
],
// do not replace VAR_* anywhere else in a string (only in ICU)
[
'My ICU: {VAR_PLURAL, plural, one {1} other {other}} VAR_PLURAL and VAR_SELECT',
{VAR_PLURAL: '<27>1:2<>'},
'My ICU: {<7B>1:2<>, plural, one {1} other {other}} VAR_PLURAL and VAR_SELECT'
],
// replace VAR_*'s in nested ICUs
[
'My ICU: {VAR_PLURAL, plural, one {1 - {VAR_SELECT, age, 50 {fifty} other {other}}} other {other}}',
{VAR_PLURAL: '<27>1:2<>', VAR_SELECT: '<27>5<EFBFBD>'},
'My ICU: {<7B>1:2<>, plural, one {1 - {<7B>5<EFBFBD>, age, 50 {fifty} other {other}}} other {other}}'
],
[
'My ICU: {VAR_PLURAL, plural, one {1 - {VAR_PLURAL_1, age, 50 {fifty} other {other}}} other {other}}',
{VAR_PLURAL: '<27>1:2<>', VAR_PLURAL_1: '<27>5<EFBFBD>'},
'My ICU: {<7B>1:2<>, plural, one {1 - {<7B>5<EFBFBD>, age, 50 {fifty} other {other}}} other {other}}'
],
// ICU replacement
[
'My ICU #1: <20>I18N_EXP_ICU<43>, My ICU #2: <20>I18N_EXP_ICU<43>',
{ICU: ['ICU_VALUE_1', 'ICU_VALUE_2']}, 'My ICU #1: ICU_VALUE_1, My ICU #2: ICU_VALUE_2'
],
// mixed case
[
`Start: ${str}, ${str}. ICU: {VAR_SELECT, count, 10 {ten} other {other}}.
Another ICU: <20>I18N_EXP_ICU<43> and ${str}, ${str} and one more ICU: <20>I18N_EXP_ICU<43> and end.`,
{VAR_SELECT: '<27>1:2<>', ICU: ['ICU_VALUE_1', 'ICU_VALUE_2']},
`Start: ${arr[0]}, ${arr[1]}. ICU: {<7B>1:2<>, count, 10 {ten} other {other}}.
Another ICU: ICU_VALUE_1 and ${arr[2]}, ${arr[3]} and one more ICU: ICU_VALUE_2 and end.`,
],
];
cases.forEach(([input, replacements, output]) => {
expect(i18nPostprocess(input as string, replacements as any)).toEqual(output as string);
});
});
it('should handle nested template represented by multi-value placeholders', () => {
/**
* <div i18n>
* <span>
* Hello - 1
* </span>
* <span *ngIf="visible">
* Hello - 2
* <span *ngIf="visible">
* Hello - 3
* <span *ngIf="visible">
* Hello - 4
* </span>
* </span>
* </span>
* <span>
* Hello - 5
* </span>
* </div>
*/
const generated = `
[<5B>#2<>|<7C>#4<>] Bonjour - 1 [<5B>/#2<>|<7C>/#1:3<><33>/*2:3<>|<7C>/#1:2<><32>/*2:2<>|<7C>/#1:1<><31>/*3:1<>|<7C>/#4<>]
[<5B>*3:1<><31>#1:1<>|<7C>*2:2<><32>#1:2<>|<7C>*2:3<><33>#1:3<>]
Bonjour - 2
[<5B>*3:1<><31>#1:1<>|<7C>*2:2<><32>#1:2<>|<7C>*2:3<><33>#1:3<>]
Bonjour - 3
[<5B>*3:1<><31>#1:1<>|<7C>*2:2<><32>#1:2<>|<7C>*2:3<><33>#1:3<>] Bonjour - 4 [<5B>/#2<>|<7C>/#1:3<><33>/*2:3<>|<7C>/#1:2<><32>/*2:2<>|<7C>/#1:1<><31>/*3:1<>|<7C>/#4<>]
[<5B>/#2<>|<7C>/#1:3<><33>/*2:3<>|<7C>/#1:2<><32>/*2:2<>|<7C>/#1:1<><31>/*3:1<>|<7C>/#4<>]
[<5B>/#2<>|<7C>/#1:3<><33>/*2:3<>|<7C>/#1:2<><32>/*2:2<>|<7C>/#1:1<><31>/*3:1<>|<7C>/#4<>]
[<5B>#2<>|<7C>#4<>] Bonjour - 5 [<5B>/#2<>|<7C>/#1:3<><33>/*2:3<>|<7C>/#1:2<><32>/*2:2<>|<7C>/#1:1<><31>/*3:1<>|<7C>/#4<>]
`;
const final = `
<20>#2<> Bonjour - 1 <20>/#2<>
<20>*3:1<>
<20>#1:1<>
Bonjour - 2
<20>*2:2<>
<20>#1:2<>
Bonjour - 3
<20>*2:3<>
<20>#1:3<> Bonjour - 4 <20>/#1:3<>
<20>/*2:3<>
<20>/#1:2<>
<20>/*2:2<>
<20>/#1:1<>
<20>/*3:1<>
<20>#4<> Bonjour - 5 <20>/#4<>
`;
expect(i18nPostprocess(generated.replace(/\s+/g, ''))).toEqual(final.replace(/\s+/g, ''));
});
it('should throw in case we have invalid string', () => {
const arr = ['<27>*1:1<><31>#2:1<>', '<27>#4:2<>', '<27>6:4<>', '<27>/#2:1<><31>/*1:1<>'];
const str = `[${arr.join('|')}]`;
const cases = [
// less placeholders than we have
[`Start: ${str}, ${str} and ${str} end.`, {}],
// more placeholders than we have
[`Start: ${str}, ${str} and ${str}, ${str} ${str} end.`, {}],
// not enough ICU replacements
['My ICU #1: <20>I18N_EXP_ICU<43>, My ICU #2: <20>I18N_EXP_ICU<43>', {ICU: ['ICU_VALUE_1']}]
];
cases.forEach(([input, replacements, output]) => {
expect(() => i18nPostprocess(input as string, replacements as any)).toThrowError();
});
});
});
});