angular-cn/packages/compiler-cli/test/compliance/r3_view_compiler_i18n_spec.ts

3632 lines
120 KiB
TypeScript

/**
* @license
* Copyright Google LLC 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 {AttributeMarker} from '@angular/compiler/src/core';
import {setup} from '@angular/compiler/test/aot/test_util';
import * as ts from 'typescript';
import {DEFAULT_INTERPOLATION_CONFIG, InterpolationConfig} from '../../../compiler/src/compiler';
import {decimalDigest} from '../../../compiler/src/i18n/digest';
import {extractMessages} from '../../../compiler/src/i18n/extractor_merger';
import {HtmlParser} from '../../../compiler/src/ml_parser/html_parser';
import {compile, expectEmit} from './mock_compile';
const angularFiles = setup({
compileAngular: false,
compileFakeCore: true,
compileAnimations: false,
});
const htmlParser = new HtmlParser();
// TODO: update translation extraction RegExp to support `$localize` tags.
const EXTRACT_GENERATED_TRANSLATIONS_REGEXP =
/const\s*(.*?)\s*=\s*goog\.getMsg\("(.*?)",?\s*(.*?)\)/g;
const diff = (a: Set<string>, b: Set<string>): Set<string> =>
new Set([...Array.from(a)].filter(x => !b.has(x)));
const extract = (from: string, regex: any, transformFn: (match: any[], state: Set<any>) => any) => {
const result = new Set<any>();
let item;
while ((item = regex.exec(from)) !== null) {
result.add(transformFn(item, result));
}
return result;
};
// verify that we extracted all the necessary translations
// and their ids match the ones extracted via 'ng xi18n'
const verifyTranslationIds =
(source: string, output: string, exceptions = {},
interpolationConfig: InterpolationConfig = DEFAULT_INTERPOLATION_CONFIG) => {
const parseResult =
htmlParser.parse(source, 'path:://to/template', {tokenizeExpansionForms: true});
const extractedIdToMsg = new Map<string, any>();
const extractedIds = new Set<string>();
const generatedIds = new Set<string>();
const msgs = extractMessages(parseResult.rootNodes, interpolationConfig, [], {});
msgs.messages.forEach(msg => {
const id = msg.id || decimalDigest(msg);
extractedIds.add(id);
extractedIdToMsg.set(id, msg);
});
const regexp = /const\s*MSG_EXTERNAL_(.+?)\s*=\s*goog\.getMsg/g;
const ids = extract(output, regexp, v => v[1]);
ids.forEach(id => {
generatedIds.add(id.split('$$')[0]);
});
const delta = diff(extractedIds, generatedIds);
if (delta.size) {
// check if we have ids in exception list
const outstanding = diff(delta, new Set(Object.keys(exceptions)));
if (outstanding.size) {
throw new Error(`
Extracted and generated IDs don't match, delta:
${JSON.stringify(Array.from(delta))}
`);
}
}
return true;
};
// verify that placeholders in translation string match
// placeholders object defined as goog.getMsg function argument
const verifyPlaceholdersIntegrity = (output: string) => {
const extractTranslations = (from: string) => {
return extract(from, EXTRACT_GENERATED_TRANSLATIONS_REGEXP, v => [v[2], v[3]]);
};
const extractPlaceholdersFromBody = (body: string) => {
const regex = /{\$(.*?)}/g;
return extract(body, regex, v => v[1]);
};
const extractPlaceholdersFromArgs = (args: string) => {
const regex = /\s+"(.+?)":\s*".*?"/g;
return extract(args, regex, v => v[1]);
};
const translations = extractTranslations(output);
translations.forEach((translation) => {
const bodyPhs = extractPlaceholdersFromBody(translation[0]);
const argsPhs = extractPlaceholdersFromArgs(translation[1]);
if (bodyPhs.size !== argsPhs.size || diff(bodyPhs, argsPhs).size) {
return false;
}
});
return true;
};
const verifyUniqueConsts = (output: string) => {
extract(
output, EXTRACT_GENERATED_TRANSLATIONS_REGEXP,
(current: string[], state: Set<any>): string => {
const key = current[1];
if (state.has(key)) {
throw new Error(`Duplicate const ${key} found in generated output!`);
}
return key;
});
return true;
};
/**
* Escape the template string for being placed inside a backtick string literal.
*
* * "\" would erroneously indicate a control character
* * "`" and "${" strings would erroneously indicate the end of a message part
*/
const escapeTemplate = (template: string) =>
template.replace(/\\/g, '\\\\').replace(/`/g, '\\`').replace(/\$\{/g, '$\\{');
const getAppFilesWithTemplate = (template: string, args: any = {}) => ({
app: {
'spec.template.html': template,
'spec.ts': `
import {Component, NgModule} from '@angular/core';
@Component({
selector: 'my-component',
${args.preserveWhitespaces ? 'preserveWhitespaces: true,' : ''}
${args.interpolation ? 'interpolation: ' + JSON.stringify(args.interpolation) + ', ' : ''}
${
args.templateUrl ? `templateUrl: 'spec.template.html'` :
`template: \`${escapeTemplate(template)}\``})
export class MyComponent {}
@NgModule({declarations: [MyComponent]})
export class MyModule {}
`
}
});
const maybePrint = (output: string, verbose: boolean) => {
if (!verbose) return;
// tslint:disable-next-line
console.log(`
========== Generated output: ==========
${output}
=======================================
`);
};
const verify = (input: string, output: string, extra: any = {}): void => {
const files = getAppFilesWithTemplate(input, extra.inputArgs);
const opts = (i18nUseExternalIds: boolean) =>
({i18nUseExternalIds, ...(extra.compilerOptions || {})});
// invoke with file-based prefix translation names
if (!extra.skipPathBasedCheck) {
const result = compile(files, angularFiles, opts(false));
maybePrint(result.source, extra.verbose);
expect(verifyPlaceholdersIntegrity(result.source)).toBe(true);
expect(verifyUniqueConsts(result.source)).toBe(true);
expectEmit(result.source, output, 'Incorrect template');
}
// invoke with translation names based on external ids
if (!extra.skipIdBasedCheck) {
const result = compile(files, angularFiles, opts(true));
maybePrint(result.source, extra.verbose);
const interpolationConfig = extra.inputArgs && extra.inputArgs.interpolation ?
InterpolationConfig.fromArray(extra.inputArgs.interpolation) :
undefined;
expect(verifyTranslationIds(input, result.source, extra.exceptions, interpolationConfig))
.toBe(true);
expect(verifyPlaceholdersIntegrity(result.source)).toBe(true);
expect(verifyUniqueConsts(result.source)).toBe(true);
expectEmit(result.source, output, 'Incorrect template');
}
};
// Describes message metadata object.
interface Meta {
desc?: string;
meaning?: string;
id?: string;
}
// Describes placeholder type used in tests. Note: the type is an array (not an object), since it's
// important to preserve the order of placeholders (so that we can compare it with generated
// output).
type Placeholder = [string, string];
// Unique message id index that is needed to avoid different i18n vars with the same name to appear
// in the i18n block while generating an output string (used to verify compiler-generated code).
let msgIndex = 0;
// Wraps a string into quotes is needed.
// Note: if a string starts with `$` is a special case in tests when ICU reference
// is used as a placeholder value, this we should not wrap it in quotes.
const quotedValue = (value: string) => value.startsWith('$') ? value : `"${value}"`;
// Generates a string that represents expected Closure metadata output.
const i18nMsgClosureMeta = (meta?: Meta): string => {
if (!meta || !(meta.desc || meta.meaning)) return '';
return `
/**
${meta.desc ? '* @desc ' + meta.desc : ''}
${meta.meaning ? '* @meaning ' + meta.meaning : ''}
*/
`;
};
// Converts a set of placeholders to a string (as it's expected from compiler).
const i18nPlaceholdersToString = (placeholders: Placeholder[]): string => {
if (placeholders.length === 0) return '';
const result = placeholders.map(([key, value]) => `"${key}": ${quotedValue(value)}`);
return `, { ${result.join(',')} }`;
};
// Generates a string that represents expected $localize metadata output.
const i18nMsgLocalizeMeta = (meta?: Meta): string => {
if (!meta) return '';
let localizeMeta = '';
if (meta.meaning) localizeMeta += `${meta.meaning}|`;
if (meta.desc) localizeMeta += meta.desc;
if (meta.id) localizeMeta += `@@${meta.id}`;
return `:${localizeMeta}:`;
};
// Transforms a message in a Closure format to a $localize version.
const i18nMsgInsertLocalizePlaceholders =
(message: string, placeholders: Placeholder[]): string => {
if (placeholders.length > 0) {
message = message.replace(/{\$(.*?)}/g, function(_, name) {
const value = placeholders.find(([k, _]) => k === name)![1];
// e.g. startDivTag -> START_DIV_TAG
const key = name.replace(/[A-Z]/g, (ch: string) => '_' + ch).toUpperCase();
return '$' + String.raw`{${quotedValue(value)}}:${key}:`;
});
}
return message;
};
// Generates a string that represents expected i18n block content for simple message.
const i18nMsg = (message: string, placeholders: Placeholder[] = [], meta?: Meta) => {
const varName = `$I18N_${msgIndex++}$`;
const closurePlaceholders = i18nPlaceholdersToString(placeholders);
const locMessageWithPlaceholders = i18nMsgInsertLocalizePlaceholders(message, placeholders);
return String.raw`
let ${varName};
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
${i18nMsgClosureMeta(meta)}
const $MSG_EXTERNAL_${msgIndex}$ = goog.getMsg("${message}"${closurePlaceholders});
${varName} = $MSG_EXTERNAL_${msgIndex}$;
}
else {
${varName} = $localize \`${i18nMsgLocalizeMeta(meta)}${locMessageWithPlaceholders}\`;
}`;
};
// Generates a string that represents expected i18n block content for a message that requires
// post-processing (thus includes `ɵɵi18nPostprocess` in generated code).
const i18nMsgWithPostprocess =
(message: string, placeholders: Placeholder[] = [], meta?: Meta,
postprocessPlaceholders?: Placeholder[]) => {
const varName = `$I18N_${msgIndex}$`;
const ppPaceholders =
postprocessPlaceholders ? i18nPlaceholdersToString(postprocessPlaceholders) : '';
return String.raw`
${i18nMsg(message, placeholders, meta)}
${varName} = $r3$.ɵɵi18nPostprocess($${varName}$${ppPaceholders});
`;
};
// Generates a string that represents expected i18n block content for an ICU.
const i18nIcuMsg = (message: string, placeholders: Placeholder[] = []) => {
return i18nMsgWithPostprocess(message, [], undefined, placeholders);
};
describe('i18n support in the template compiler', () => {
describe('element attributes', () => {
it('should add the meaning and description as JsDoc comments and metadata blocks', () => {
const input = `
<div i18n="meaningA|descA@@idA">Content A</div>
<div i18n-title="meaningB|descB@@idB" title="Title B">Content B</div>
<div i18n-title="meaningC|" title="Title C">Content C</div>
<div i18n-title="meaningD|descD" title="Title D">Content D</div>
<div i18n-title="meaningE@@idE" title="Title E">Content E</div>
<div i18n-title="@@idF" title="Title F">Content F</div>
<div i18n-title="[BACKUP_$\{MESSAGE}_ID:idH]\`desc@@idG" title="Title G">Content G</div>
<div i18n="Some text \\' [BACKUP_MESSAGE_ID: xxx]">Content H</div>
`;
const i18n_0 = i18nMsg('Content A', [], {id: 'idA', meaning: 'meaningA', desc: 'descA'});
const i18n_1 = i18nMsg('Title B', [], {id: 'idB', meaning: 'meaningB', desc: 'descB'});
const i18n_2 = i18nMsg('Title C', [], {meaning: 'meaningC'});
const i18n_3 = i18nMsg('Title D', [], {meaning: 'meaningD', desc: 'descD'});
const i18n_4 = i18nMsg('Title E', [], {id: 'idE', desc: 'meaningE'});
const i18n_5 = i18nMsg('Title F', [], {id: 'idF'});
// Keeping this block as a raw string, since it checks escaping of special chars.
const i18n_6 = String.raw`
let $i18n_23$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
/**
* @desc [BACKUP_$` +
String.raw`{MESSAGE}_ID:idH]` +
'`' + String.raw`desc
*/
const $MSG_EXTERNAL_idG$$APP_SPEC_TS_24$ = goog.getMsg("Title G");
$i18n_23$ = $MSG_EXTERNAL_idG$$APP_SPEC_TS_24$;
}
else {
$i18n_23$ = $localize \`:[BACKUP_$\{MESSAGE}_ID\:idH]\\\`desc@@idG:Title G\`;
}
`;
// Keeping this block as a raw string, since it checks escaping of special chars.
const i18n_7 = String.raw`
let $i18n_7$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
/**
* @desc Some text \' [BACKUP_MESSAGE_ID: xxx]
*/
const $MSG_EXTERNAL_idG$$APP_SPEC_TS_21$ = goog.getMsg("Content H");
$i18n_7$ = $MSG_EXTERNAL_idG$$APP_SPEC_TS_21$;
}
else {
$i18n_7$ = $localize \`:Some text \\' [BACKUP_MESSAGE_ID\: xxx]:Content H\`;
}
`;
const output = String.raw`
consts: function () {
${i18n_0}
${i18n_1}
${i18n_2}
${i18n_3}
${i18n_4}
${i18n_5}
${i18n_6}
${i18n_7}
return [
$i18n_0$,
[${AttributeMarker.I18n}, "title"],
["title", $i18n_1$],
["title", $i18n_2$],
["title", $i18n_3$],
["title", $i18n_4$],
["title", $i18n_5$],
["title", $i18n_6$],
$i18n_7$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(2, "div", 1);
$r3$.ɵɵi18nAttributes(3, 2);
$r3$.ɵɵtext(4, "Content B");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(5, "div", 1);
$r3$.ɵɵi18nAttributes(6, 3);
$r3$.ɵɵtext(7, "Content C");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(8, "div", 1);
$r3$.ɵɵi18nAttributes(9, 4);
$r3$.ɵɵtext(10, "Content D");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(11, "div", 1);
$r3$.ɵɵi18nAttributes(12, 5);
$r3$.ɵɵtext(13, "Content E");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(14, "div", 1);
$r3$.ɵɵi18nAttributes(15, 6);
$r3$.ɵɵtext(16, "Content F");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(17, "div", 1);
$r3$.ɵɵi18nAttributes(18, 7);
$r3$.ɵɵtext(19, "Content G");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(20, "div");
$r3$.ɵɵi18n(21, 8);
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
it('should support i18n attributes on explicit <ng-template> elements', () => {
const input = `
<ng-template i18n-title title="Hello"></ng-template>
`;
const i18n_0 = i18nMsg('Hello');
const output = String.raw`
consts: function () {
${i18n_0}
return [
[${AttributeMarker.I18n}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_ng_template_0_Template, 0, 0, "ng-template", 0);
$r3$.ɵɵi18nAttributes(1, 1);
}
}
`;
verify(input, output);
});
it('should support i18n attributes on explicit <ng-template> with structural directives',
() => {
const input = `
<ng-template *ngIf="visible" i18n-title title="Hello">Test</ng-template>
`;
const i18n_0 = i18nMsg('Hello');
const output = String.raw`
function MyComponent_0_ng_template_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtext(0, "Test");
}
}
function MyComponent_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_0_ng_template_0_Template, 1, 0, "ng-template", 1);
$r3$.ɵɵi18nAttributes(1, 2);
}
}
consts: function() {
${i18n_0}
return [
[${AttributeMarker.Template}, "ngIf"],
[${AttributeMarker.I18n}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_0_Template, 2, 0, undefined, 0);
}
if (rf & 2) {
$r3$.ɵɵproperty("ngIf", ctx.visible);
}
}
`;
verify(input, output);
});
it('should support i18n attributes with interpolations on explicit <ng-template> elements',
() => {
const input = `
<ng-template i18n-title title="Hello {{ name }}"></ng-template>
`;
const i18n_0 =
i18nMsg('Hello {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
consts: function() {
${i18n_0}
return [
[${AttributeMarker.Bindings}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_ng_template_0_Template, 0, 0, "ng-template", 0);
$r3$.ɵɵi18nAttributes(1, 1);
}
if (rf & 2) {
$r3$.ɵɵi18nExp(ctx.name);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should support i18n attributes with interpolations on explicit <ng-template> elements with structural directives',
() => {
const input = `
<ng-template *ngIf="true" i18n-title title="Hello {{ name }}"></ng-template>
`;
const i18n_0 =
i18nMsg('Hello {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
function MyComponent_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_0_ng_template_0_Template, 0, 0, "ng-template", 1);
$r3$.ɵɵi18nAttributes(1, 2);
}
if (rf & 2) {
const $ctx_r2$ = $r3$.ɵɵnextContext();
$r3$.ɵɵi18nExp($ctx_r2$.name);
$r3$.ɵɵi18nApply(1);
}
}
consts: function() {
${i18n_0}
return [
[${AttributeMarker.Template}, "ngIf"],
[${AttributeMarker.Bindings}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_0_Template, 2, 1, undefined, 0);
}
if (rf & 2) {
$r3$.ɵɵproperty("ngIf", true);
}
},
`;
verify(input, output);
});
it('should not create translations for empty attributes', () => {
const input = `
<div id="static" i18n-title="m|d" title></div>
`;
const output = `
consts: [["id", "static", "title", ""]],
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div", 0);
}
}
`;
verify(input, output);
});
it('should not create translations for bound attributes', () => {
const input = `
<div
[title]="title" i18n-title
[attr.label]="label" i18n-attr.label>
</div>
`;
const output = `
consts: [[3, "title"]],
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div", 0);
}
if (rf & 2) {
$r3$.ɵɵproperty("title", ctx.title);
$r3$.ɵɵattribute("label", ctx.label);
}
}
`;
verify(input, output);
});
it('should translate static attributes', () => {
const input = `
<div id="static" i18n-title="m|d" title="introduction"></div>
`;
const i18n_0 = i18nMsg('introduction', [], {meaning: 'm', desc: 'd'});
const output = String.raw`
consts: function() {
${i18n_0}
return [
["id", "static", ${AttributeMarker.I18n}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div", 0);
$r3$.ɵɵi18nAttributes(1, 1);
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
it('should support interpolation', () => {
const input = `
<div id="dynamic-1"
i18n-title="m|d" title="intro {{ valueA | uppercase }}"
i18n-aria-label="m1|d1" aria-label="{{ valueB }}"
i18n-aria-roledescription aria-roledescription="static text"
></div>
<div id="dynamic-2"
i18n-title="m2|d2" title="{{ valueA }} and {{ valueB }} and again {{ valueA + valueB }}"
i18n-aria-roledescription aria-roledescription="{{ valueC }}"
></div>
`;
const i18n_0 = i18nMsg('static text');
const i18n_1 = i18nMsg(
'intro {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]],
{meaning: 'm', desc: 'd'});
const i18n_2 = i18nMsg(
'{$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]],
{meaning: 'm1', desc: 'd1'});
const i18n_3 = i18nMsg(
'{$interpolation} and {$interpolation_1} and again {$interpolation_2}',
[
['interpolation', String.raw`\uFFFD0\uFFFD`],
['interpolation_1', String.raw`\uFFFD1\uFFFD`],
['interpolation_2', String.raw`\uFFFD2\uFFFD`]
],
{meaning: 'm2', desc: 'd2'});
const i18n_4 = i18nMsg('{$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
decls: 5,
vars: 8,
consts: function() {
${i18n_0}
${i18n_1}
${i18n_2}
${i18n_3}
${i18n_4}
return [
["id", "dynamic-1", ${AttributeMarker.I18n}, "aria-roledescription",
"title", "aria-label"],
["aria-roledescription", $i18n_0$, "title", $i18n_1$, "aria-label", $i18n_2$],
["id", "dynamic-2", ${AttributeMarker.I18n}, "title", "aria-roledescription"],
["title", $i18n_3$, "aria-roledescription", $i18n_4$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div", 0);
$r3$.ɵɵpipe(1, "uppercase");
$r3$.ɵɵi18nAttributes(2, 1);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(3, "div", 2);
$r3$.ɵɵi18nAttributes(4, 3);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(1, 6, ctx.valueA))(ctx.valueB);
$r3$.ɵɵi18nApply(2);
$r3$.ɵɵadvance(3);
$r3$.ɵɵi18nExp(ctx.valueA)(ctx.valueB)(ctx.valueA + ctx.valueB)(ctx.valueC);
$r3$.ɵɵi18nApply(4);
}
}
`;
verify(input, output);
});
it('should support interpolation with custom interpolation config', () => {
const input = `
<div i18n-title="m|d" title="intro {% valueA | uppercase %}"></div>
`;
const i18n_0 = i18nMsg(
'intro {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]],
{meaning: 'm', desc: 'd'});
const output = String.raw`
consts: function() {
${i18n_0}
return [
[${AttributeMarker.I18n}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div", 0);
$r3$.ɵɵpipe(1, "uppercase");
$r3$.ɵɵi18nAttributes(2, 1);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(1, 1, ctx.valueA));
$r3$.ɵɵi18nApply(2);
}
}
`;
verify(input, output, {inputArgs: {interpolation: ['{%', '%}']}});
});
it('should correctly bind to context in nested template', () => {
const input = `
<div *ngFor="let outer of items">
<div i18n-title="m|d" title="different scope {{ outer | uppercase }}"></div>
</div>
`;
const i18n_0 = i18nMsg(
'different scope {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]],
{meaning: 'm', desc: 'd'});
const output = String.raw`
function MyComponent_div_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵelementStart(1, "div", 1);
$r3$.ɵɵpipe(2, "uppercase");
$r3$.ɵɵi18nAttributes(3, 2);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
const $outer_r1$ = ctx.$implicit;
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(2, 1, $outer_r1$));
$r3$.ɵɵi18nApply(3);
}
}
decls: 1,
vars: 1,
consts: function() {
${i18n_0}
return [
[${AttributeMarker.Template}, "ngFor", "ngForOf"],
[${AttributeMarker.I18n}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_div_0_Template, 4, 3, "div", 0);
}
if (rf & 2) {
$r3$.ɵɵproperty("ngForOf", ctx.items);
}
}
`;
verify(input, output);
});
it('should support complex expressions in interpolation', () => {
const input = `
<div i18n-title title="{{valueA.getRawValue()?.getTitle()}} title"></div>
`;
const i18n_0 =
i18nMsg('{$interpolation} title', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
decls: 2,
vars: 1,
consts: function() {
${i18n_0}
return [
[${AttributeMarker.I18n}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div", 0);
$r3$.ɵɵi18nAttributes(1, 1);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
let $tmp_0_0$ = null;
$r3$.ɵɵi18nExp(($tmp_0_0$ = ctx.valueA.getRawValue()) == null ? null : $tmp_0_0$.getTitle());
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should support interpolation', () => {
const input = `
<div id="dynamic-1"
i18n-title="m|d" title="intro {{ valueA | uppercase }}"
i18n-aria-label="m1|d1" aria-label="{{ valueB }}"
i18n-aria-roledescription aria-roledescription="static text"
></div>
<div id="dynamic-2"
i18n-title="m2|d2" title="{{ valueA }} and {{ valueB }} and again {{ valueA + valueB }}"
i18n-aria-roledescription aria-roledescription="{{ valueC }}"
></div>
`;
const i18n_0 = i18nMsg('static text');
const i18n_1 = i18nMsg(
'intro {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]],
{meaning: 'm', desc: 'd'});
const i18n_2 = i18nMsg(
'{$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]],
{meaning: 'm1', desc: 'd1'});
const i18n_3 = i18nMsg(
'{$interpolation} and {$interpolation_1} and again {$interpolation_2}',
[
['interpolation', String.raw`\uFFFD0\uFFFD`],
['interpolation_1', String.raw`\uFFFD1\uFFFD`],
['interpolation_2', String.raw`\uFFFD2\uFFFD`]
],
{meaning: 'm2', desc: 'd2'});
const i18n_4 = i18nMsg('{$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
decls: 5,
vars: 8,
consts: function() {
${i18n_0}
${i18n_1}
${i18n_2}
${i18n_3}
${i18n_4}
return [
["id", "dynamic-1", ${AttributeMarker.I18n}, "aria-roledescription",
"title", "aria-label"],
["aria-roledescription", $i18n_0$, "title", $i18n_1$, "aria-label", $i18n_2$],
["id", "dynamic-2", ${AttributeMarker.I18n}, "title", "aria-roledescription"],
["title", $i18n_3$, "aria-roledescription", $i18n_4$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div", 0);
$r3$.ɵɵpipe(1, "uppercase");
$r3$.ɵɵi18nAttributes(2, 1);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(3, "div", 2);
$r3$.ɵɵi18nAttributes(4, 3);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(1, 6, ctx.valueA))(ctx.valueB);
$r3$.ɵɵi18nApply(2);
$r3$.ɵɵadvance(3);
$r3$.ɵɵi18nExp(ctx.valueA)(ctx.valueB)(ctx.valueA + ctx.valueB)(ctx.valueC);
$r3$.ɵɵi18nApply(4);
}
}
`;
verify(input, output);
});
it('should correctly bind to context in nested template', () => {
const input = `
<div *ngFor="let outer of items">
<div i18n-title="m|d" title="different scope {{ outer | uppercase }}"></div>
</div>
`;
const i18n_0 = i18nMsg(
'different scope {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]],
{meaning: 'm', desc: 'd'});
const output = String.raw`
function MyComponent_div_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵelementStart(1, "div", 1);
$r3$.ɵɵpipe(2, "uppercase");
$r3$.ɵɵi18nAttributes(3, 2);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
const $outer_r1$ = ctx.$implicit;
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(2, 1, $outer_r1$));
$r3$.ɵɵi18nApply(3);
}
}
decls: 1,
vars: 1,
consts: function() {
${i18n_0}
return [
[${AttributeMarker.Template}, "ngFor", "ngForOf"],
[${AttributeMarker.I18n}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_div_0_Template, 4, 3, "div", 0);
}
if (rf & 2) {
$r3$.ɵɵproperty("ngForOf", ctx.items);
}
}
`;
verify(input, output);
});
it('should work correctly when placed on i18n root node', () => {
const input = `
<div i18n i18n-title="m|d" title="Element title">Some content</div>
`;
const i18n_0 = i18nMsg('Element title', [], {meaning: 'm', desc: 'd'});
const i18n_1 = i18nMsg('Some content');
const output = String.raw`
consts: function() {
${i18n_0}
${i18n_1}
return [
[${AttributeMarker.I18n}, "title"],
["title", $i18n_0$],
$i18n_1$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div", 0);
$r3$.ɵɵi18nAttributes(1, 1);
$r3$.ɵɵi18n(2, 2);
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
it('should sanitize ids and generate proper variable names', () => {
const input = `
<div i18n="@@ID.WITH.INVALID.CHARS.2" i18n-title="@@ID.WITH.INVALID.CHARS" title="Element title">
Some content
</div>
`;
// Keeping raw content (avoiding `i18nMsg`) to illustrate message id sanitization.
const output = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_EXTERNAL_ID_WITH_INVALID_CHARS$$APP_SPEC_TS_1$ = goog.getMsg("Element title");
$I18N_0$ = $MSG_EXTERNAL_ID_WITH_INVALID_CHARS$$APP_SPEC_TS_1$;
}
else {
$I18N_0$ = $localize \`:@@ID.WITH.INVALID.CHARS:Element title\`;
}
let $I18N_2$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_EXTERNAL_ID_WITH_INVALID_CHARS_2$$APP_SPEC_TS_4$ = goog.getMsg(" Some content ");
$I18N_2$ = $MSG_EXTERNAL_ID_WITH_INVALID_CHARS_2$$APP_SPEC_TS_4$;
}
else {
$I18N_2$ = $localize \`:@@ID.WITH.INVALID.CHARS.2: Some content \`;
}
`;
const exceptions = {
'ID.WITH.INVALID.CHARS': 'Verify const name generation only',
'ID.WITH.INVALID.CHARS.2': 'Verify const name generation only'
};
verify(input, output, {exceptions, skipPathBasedCheck: true});
});
});
describe('nested nodes', () => {
it('should not produce instructions for empty content', () => {
const input = `
<div i18n></div>
<div i18n> </div>
<div i18n>
</div>
`;
const output = String.raw`
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelement(0, "div");
$r3$.ɵɵelement(1, "div");
$r3$.ɵɵelement(2, "div");
}
}
`;
const exceptions = {
'6524085439495453930': 'No translation is produced for empty content (whitespaces)',
'814405839137385666': 'No translation is produced for empty content (line breaks)'
};
verify(input, output, {exceptions});
});
it('should ignore HTML comments within translated text', () => {
const input = `<div i18n>Some <!-- comments --> text</div>`;
const output = i18nMsg('Some text');
verify(input, output);
});
it('should properly escape quotes in content', () => {
const input = `
<div i18n>Some text 'with single quotes', "with double quotes", \`with backticks\` and without quotes.</div>
`;
// Keeping raw content (avoiding `i18nMsg`) to illustrate quotes escaping.
const output = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_EXTERNAL_4924931801512133405$$APP_SPEC_TS_0$ = goog.getMsg("Some text 'with single quotes', \"with double quotes\", ` +
'`with backticks`' + String.raw` and without quotes.");
$I18N_0$ = $MSG_EXTERNAL_4924931801512133405$$APP_SPEC_TS_0$;
}
else {
$I18N_0$ = $localize \`Some text 'with single quotes', "with double quotes", \\\`with backticks\\\` and without quotes.\`;
}
`;
verify(input, output);
});
it('should handle interpolations wrapped in backticks', () => {
const input = '<div i18n>`{{ count }}`</div>';
// Keeping raw content (avoiding `i18nMsg`) to illustrate backticks escaping.
const output = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_APP_SPEC_TS_1$ = goog.getMsg("` +
'`{$interpolation}`' + String.raw`", { "interpolation": "\uFFFD0\uFFFD" });
$I18N_0$ = $MSG_APP_SPEC_TS_1$;
}
else {
$I18N_0$ = $localize \`\\\`$` +
String.raw`{"\uFFFD0\uFFFD"}:INTERPOLATION:\\\`\`;
}`;
verify(input, output);
});
it('should handle i18n attributes with plain-text content', () => {
const input = `
<div i18n>My i18n block #1</div>
<div>My non-i18n block #1</div>
<div i18n>My i18n block #2</div>
<div>My non-i18n block #2</div>
<div i18n>My i18n block #3</div>
`;
const i18n_0 = i18nMsg('My i18n block #1');
const i18n_1 = i18nMsg('My i18n block #2');
const i18n_2 = i18nMsg('My i18n block #3');
const output = String.raw`
consts: function() {
${i18n_0}
${i18n_1}
${i18n_2}
return [
$i18n_0$,
$i18n_1$,
$i18n_2$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(2, "div");
$r3$.ɵɵtext(3, "My non-i18n block #1");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(4, "div");
$r3$.ɵɵi18n(5, 1);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(6, "div");
$r3$.ɵɵtext(7, "My non-i18n block #2");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(8, "div");
$r3$.ɵɵi18n(9, 2);
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
it('should support named interpolations', () => {
const input = `
<div i18n>
Named interpolation: {{ valueA // i18n(ph="PH_A") }}
Named interpolation with spaces: {{ valueB // i18n(ph="PH B") }}
</div>
`;
// Keeping raw content (avoiding `i18nMsg`) to illustrate how named interpolations are
// generated.
const i18n_0 = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_EXTERNAL_7597881511811528589$$APP_SPEC_TS_0$ = goog.getMsg(" Named interpolation: {$phA} Named interpolation with spaces: {$phB} ", {
"phA": "\uFFFD0\uFFFD",
"phB": "\uFFFD1\uFFFD"
});
$I18N_0$ = $MSG_EXTERNAL_7597881511811528589$$APP_SPEC_TS_0$;
}
else {
$I18N_0$ = $localize \` Named interpolation: $` +
String.raw`{"\uFFFD0\uFFFD"}:PH_A: Named interpolation with spaces: $` +
String.raw`{"\uFFFD1\uFFFD"}:PH_B: \`;
}
`;
const output = String.raw`
decls: 2,
vars: 2,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.valueA)(ctx.valueB);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should support interpolation with custom interpolation config', () => {
const input = `
<div i18n>{% valueA %}</div>
`;
const i18n_0 = i18nMsg('{$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.valueA);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output, {inputArgs: {interpolation: ['{%', '%}']}});
});
it('should support interpolations with complex expressions', () => {
const input = `
<div i18n>
{{ valueA | async }}
{{ valueA?.a?.b }}
{{ valueA.getRawValue()?.getTitle() }}
</div>
`;
const i18n_0 = i18nMsg(' {$interpolation} {$interpolation_1} {$interpolation_2} ', [
['interpolation', String.raw`\uFFFD0\uFFFD`],
['interpolation_1', String.raw`\uFFFD1\uFFFD`],
['interpolation_2', String.raw`\uFFFD2\uFFFD`]
]);
const output = String.raw`
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵpipe(2, "async");
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
let $tmp_2_0$ = null;
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(2, 3, ctx.valueA))
(ctx.valueA == null ? null : ctx.valueA.a == null ? null : ctx.valueA.a.b)
(($tmp_2_0$ = ctx.valueA.getRawValue()) == null ? null : $tmp_2_0$.getTitle());
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle i18n attributes with bindings in content', () => {
const input = `
<div i18n>My i18n block #{{ one }}</div>
<div i18n>My i18n block #{{ two | uppercase }}</div>
<div i18n>My i18n block #{{ three + four + five }}</div>
`;
const i18n_0 = i18nMsg(
'My i18n block #{$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const i18n_1 = i18nMsg(
'My i18n block #{$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const i18n_2 = i18nMsg(
'My i18n block #{$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
decls: 7,
vars: 5,
consts: function() {
${i18n_0}
${i18n_1}
${i18n_2}
return [
$i18n_0$,
$i18n_1$,
$i18n_2$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(2, "div");
$r3$.ɵɵi18n(3, 1);
$r3$.ɵɵpipe(4, "uppercase");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(5, "div");
$r3$.ɵɵi18n(6, 2);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.one);
$r3$.ɵɵi18nApply(1);
$r3$.ɵɵadvance(3);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(4, 3, ctx.two));
$r3$.ɵɵi18nApply(3);
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp(ctx.three + ctx.four + ctx.five);
$r3$.ɵɵi18nApply(6);
}
}
`;
verify(input, output);
});
it('should handle i18n attributes with bindings and nested elements in content', () => {
const input = `
<div i18n>
My i18n block #{{ one }}
<span>Plain text in nested element</span>
</div>
<div i18n>
My i18n block #{{ two | uppercase }}
<div>
<div>
<span>
More bindings in more nested element: {{ nestedInBlockTwo }}
</span>
</div>
</div>
</div>
`;
const i18n_0 = i18nMsg(
' My i18n block #{$interpolation} {$startTagSpan}Plain text in nested element{$closeTagSpan}',
[
['interpolation', String.raw`\uFFFD0\uFFFD`],
['startTagSpan', String.raw`\uFFFD#2\uFFFD`],
['closeTagSpan', String.raw`\uFFFD/#2\uFFFD`]
]);
const i18n_1 = i18nMsgWithPostprocess(
' My i18n block #{$interpolation} {$startTagDiv}{$startTagDiv}{$startTagSpan} More bindings in more nested element: {$interpolation_1} {$closeTagSpan}{$closeTagDiv}{$closeTagDiv}',
[
['interpolation', String.raw`\uFFFD0\uFFFD`],
['startTagDiv', String.raw`[\uFFFD#6\uFFFD|\uFFFD#7\uFFFD]`],
['startTagSpan', String.raw`\uFFFD#8\uFFFD`],
['interpolation_1', String.raw`\uFFFD1\uFFFD`],
['closeTagSpan', String.raw`\uFFFD/#8\uFFFD`],
['closeTagDiv', String.raw`[\uFFFD/#7\uFFFD|\uFFFD/#6\uFFFD]`]
]);
const output = String.raw`
decls: 9,
vars: 5,
consts: function() {
${i18n_0}
${i18n_1}
return [
$i18n_0$,
$i18n_1$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵelement(2, "span");
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(3, "div");
$r3$.ɵɵi18nStart(4, 1);
$r3$.ɵɵpipe(5, "uppercase");
$r3$.ɵɵelementStart(6, "div");
$r3$.ɵɵelementStart(7, "div");
$r3$.ɵɵelement(8, "span");
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementEnd();
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp(ctx.one);
$r3$.ɵɵi18nApply(1);
$r3$.ɵɵadvance(6);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(5, 3, ctx.two))(ctx.nestedInBlockTwo);
$r3$.ɵɵi18nApply(4);
}
}
`;
verify(input, output);
});
it('should handle i18n attributes with bindings in content and element attributes', () => {
const input = `
<div i18n>
My i18n block #1 with value: {{ valueA }}
<span i18n-title title="Span title {{ valueB }} and {{ valueC }}">
Plain text in nested element (block #1)
</span>
</div>
<div i18n>
My i18n block #2 with value {{ valueD | uppercase }}
<span i18n-title title="Span title {{ valueE }}">
Plain text in nested element (block #2)
</span>
</div>
`;
const i18n_0 = i18nMsg('Span title {$interpolation} and {$interpolation_1}', [
['interpolation', String.raw`\uFFFD0\uFFFD`], ['interpolation_1', String.raw`\uFFFD1\uFFFD`]
]);
const i18n_1 = i18nMsg(
' My i18n block #1 with value: {$interpolation} {$startTagSpan} Plain text in nested element (block #1) {$closeTagSpan}',
[
['interpolation', String.raw`\uFFFD0\uFFFD`],
['startTagSpan', String.raw`\uFFFD#2\uFFFD`],
['closeTagSpan', String.raw`\uFFFD/#2\uFFFD`]
]);
const i18n_2 =
i18nMsg('Span title {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const i18n_3 = i18nMsg(
' My i18n block #2 with value {$interpolation} {$startTagSpan} Plain text in nested element (block #2) {$closeTagSpan}',
[
['interpolation', String.raw`\uFFFD0\uFFFD`],
['startTagSpan', String.raw`\uFFFD#7\uFFFD`],
['closeTagSpan', String.raw`\uFFFD/#7\uFFFD`]
]);
const output = String.raw`
decls: 9,
vars: 7,
consts: function() {
${i18n_0}
${i18n_1}
${i18n_2}
${i18n_3}
return [
$i18n_0$,
[${AttributeMarker.I18n}, "title"],
["title", $i18n_1$],
$i18n_2$,
["title", $i18n_3$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵelementStart(2, "span", 1);
$r3$.ɵɵi18nAttributes(3, 2);
$r3$.ɵɵelementEnd();
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(4, "div");
$r3$.ɵɵi18nStart(5, 3);
$r3$.ɵɵpipe(6, "uppercase");
$r3$.ɵɵelementStart(7, "span", 1);
$r3$.ɵɵi18nAttributes(8, 4);
$r3$.ɵɵelementEnd();
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp(ctx.valueB)(ctx.valueC);
$r3$.ɵɵi18nApply(3);
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.valueA);
$r3$.ɵɵi18nApply(1);
$r3$.ɵɵadvance(4);
$r3$.ɵɵi18nExp(ctx.valueE);
$r3$.ɵɵi18nApply(8);
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(6, 5, ctx.valueD));
$r3$.ɵɵi18nApply(5);
}
}
`;
verify(input, output);
});
it('should handle i18n attributes in nested templates', () => {
const input = `
<div>
Some content
<div *ngIf="visible">
<div i18n>
Some other content {{ valueA }}
<div>
More nested levels with bindings {{ valueB | uppercase }}
</div>
</div>
</div>
</div>
`;
const i18n_0 = i18nMsg(
' Some other content {$interpolation} {$startTagDiv} More nested levels with bindings {$interpolation_1} {$closeTagDiv}',
[
['interpolation', String.raw`\uFFFD0\uFFFD`],
['startTagDiv', String.raw`\uFFFD#3\uFFFD`],
['interpolation_1', String.raw`\uFFFD1\uFFFD`],
['closeTagDiv', String.raw`\uFFFD/#3\uFFFD`]
]);
const output = String.raw`
function MyComponent_div_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵelementStart(1, "div");
$r3$.ɵɵi18nStart(2, 1);
$r3$.ɵɵelement(3, "div");
$r3$.ɵɵpipe(4, "uppercase");
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(4);
$r3$.ɵɵi18nExp($ctx_r0$.valueA)($r3$.ɵɵpipeBind1(4, 2, $ctx_r0$.valueB));
$r3$.ɵɵi18nApply(2);
}
}
decls: 3,
vars: 1,
consts: function() {
${i18n_0}
return [
[${AttributeMarker.Template}, "ngIf"],
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵtext(1, " Some content ");
$r3$.ɵɵtemplate(2, MyComponent_div_2_Template, 5, 4, "div", 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(2);
$r3$.ɵɵproperty("ngIf", ctx.visible);
}
}
`;
verify(input, output);
});
it('should ignore i18n attributes on self-closing tags', () => {
const input = `
<img src="logo.png" i18n />
<img src="logo.png" i18n *ngIf="visible" />
<img src="logo.png" i18n *ngIf="visible" i18n-title title="App logo #{{ id }}" />
`;
const i18n_0 =
i18nMsg('App logo #{$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
function MyComponent_img_1_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelement(0, "img", 0);
}
}
function MyComponent_img_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "img", 3);
$r3$.ɵɵi18nAttributes(1, 4);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
const $ctx_r1$ = $r3$.ɵɵnextContext();
$r3$.ɵɵi18nExp($ctx_r1$.id);
$r3$.ɵɵi18nApply(1);
}
}
decls: 3,
vars: 2,
consts: function() {
${i18n_0}
return [
["src", "logo.png"],
["src", "logo.png", ${AttributeMarker.Template}, "ngIf"],
["src", "logo.png", ${AttributeMarker.Bindings}, "title",
${AttributeMarker.Template}, "ngIf"],
["src", "logo.png", ${AttributeMarker.I18n}, "title"],
["title", $i18n_0$]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelement(0, "img", 0);
$r3$.ɵɵtemplate(1, MyComponent_img_1_Template, 1, 0, "img", 1);
$r3$.ɵɵtemplate(2, MyComponent_img_2_Template, 2, 1, "img", 2);
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵproperty("ngIf", ctx.visible);
$r3$.ɵɵadvance(1);
$r3$.ɵɵproperty("ngIf", ctx.visible);
}
}
`;
verify(input, output);
});
it('should handle i18n context in nested templates', () => {
const input = `
<div i18n>
Some content
<div *ngIf="visible">
Some other content {{ valueA }}
<div>
More nested levels with bindings {{ valueB | uppercase }}
<div *ngIf="exists">
Content inside sub-template {{ valueC }}
<div>
Bottom level element {{ valueD }}
</div>
</div>
</div>
</div>
<div *ngIf="!visible">
Some other content {{ valueE + valueF }}
<div>
More nested levels with bindings {{ valueG | uppercase }}
</div>
</div>
</div>
`;
const i18n_0 = i18nMsgWithPostprocess(
' Some content {$startTagDiv_2} Some other content {$interpolation} {$startTagDiv} More nested levels with bindings {$interpolation_1} {$startTagDiv_1} Content inside sub-template {$interpolation_2} {$startTagDiv} Bottom level element {$interpolation_3} {$closeTagDiv}{$closeTagDiv}{$closeTagDiv}{$closeTagDiv}{$startTagDiv_3} Some other content {$interpolation_4} {$startTagDiv} More nested levels with bindings {$interpolation_5} {$closeTagDiv}{$closeTagDiv}',
[
['startTagDiv_2', String.raw`\uFFFD*2:1\uFFFD\uFFFD#1:1\uFFFD`],
[
'closeTagDiv',
String
.raw`[\uFFFD/#2:2\uFFFD|\uFFFD/#1:2\uFFFD\uFFFD/*4:2\uFFFD|\uFFFD/#2:1\uFFFD|\uFFFD/#1:1\uFFFD\uFFFD/*2:1\uFFFD|\uFFFD/#2:3\uFFFD|\uFFFD/#1:3\uFFFD\uFFFD/*3:3\uFFFD]`
],
['startTagDiv_3', String.raw`\uFFFD*3:3\uFFFD\uFFFD#1:3\uFFFD`],
['interpolation', String.raw`\uFFFD0:1\uFFFD`],
['startTagDiv', String.raw`[\uFFFD#2:1\uFFFD|\uFFFD#2:2\uFFFD|\uFFFD#2:3\uFFFD]`],
['interpolation_1', String.raw`\uFFFD1:1\uFFFD`],
['startTagDiv_1', String.raw`\uFFFD*4:2\uFFFD\uFFFD#1:2\uFFFD`],
['interpolation_2', String.raw`\uFFFD0:2\uFFFD`],
['interpolation_3', String.raw`\uFFFD1:2\uFFFD`],
['interpolation_4', String.raw`\uFFFD0:3\uFFFD`],
['interpolation_5', String.raw`\uFFFD1:3\uFFFD`]
]);
const output = String.raw`
function MyComponent_div_2_div_4_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18nStart(0, 0, 2);
$r3$.ɵɵelementStart(1, "div");
$r3$.ɵɵelement(2, "div");
$r3$.ɵɵelementEnd();
$r3$.ɵɵi18nEnd();
}
if (rf & 2) {
const $ctx_r2$ = $r3$.ɵɵnextContext(2);
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp($ctx_r2$.valueC)($ctx_r2$.valueD);
$r3$.ɵɵi18nApply(0);
}
}
function MyComponent_div_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18nStart(0, 0, 1);
$r3$.ɵɵelementStart(1, "div");
$r3$.ɵɵelementStart(2, "div");
$r3$.ɵɵpipe(3, "uppercase");
$r3$.ɵɵtemplate(4, MyComponent_div_2_div_4_Template, 3, 2, "div", 1);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementEnd();
$r3$.ɵɵi18nEnd();
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(4);
$r3$.ɵɵproperty("ngIf", $ctx_r0$.exists);
$r3$.ɵɵi18nExp($ctx_r0$.valueA)($r3$.ɵɵpipeBind1(3, 3, $ctx_r0$.valueB));
$r3$.ɵɵi18nApply(0);
}
}
function MyComponent_div_3_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18nStart(0, 0, 3);
$r3$.ɵɵelementStart(1, "div");
$r3$.ɵɵelement(2, "div");
$r3$.ɵɵpipe(3, "uppercase");
$r3$.ɵɵelementEnd();
$r3$.ɵɵi18nEnd();
}
if (rf & 2) {
const $ctx_r1$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(3);
$r3$.ɵɵi18nExp($ctx_r1$.valueE + $ctx_r1$.valueF)($r3$.ɵɵpipeBind1(3, 2, $ctx_r1$.valueG));
$r3$.ɵɵi18nApply(0);
}
}
decls: 4,
vars: 2,
consts: function() {
${i18n_0}
return [
$i18n_0$,
[${AttributeMarker.Template}, "ngIf"]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵtemplate(2, MyComponent_div_2_Template, 5, 5, "div", 1);
$r3$.ɵɵtemplate(3, MyComponent_div_3_Template, 4, 4, "div", 1);
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(2);
$r3$.ɵɵproperty("ngIf", ctx.visible);
$r3$.ɵɵadvance(1);
$r3$.ɵɵproperty("ngIf", !ctx.visible);
}
}
`;
verify(input, output);
});
it('should handle i18n attribute with directives', () => {
const input = `
<div i18n *ngIf="visible">Some other content <span>{{ valueA }}</span></div>
`;
const i18n_0 = i18nMsg('Some other content {$startTagSpan}{$interpolation}{$closeTagSpan}', [
['startTagSpan', String.raw`\uFFFD#2\uFFFD`], ['interpolation', String.raw`\uFFFD0\uFFFD`],
['closeTagSpan', String.raw`\uFFFD/#2\uFFFD`]
]);
const output = String.raw`
function MyComponent_div_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 1);
$r3$.ɵɵelement(2, "span");
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp($ctx_r0$.valueA);
$r3$.ɵɵi18nApply(1);
}
}
decls: 1,
vars: 1,
consts: function() {
${i18n_0}
return [
[${AttributeMarker.Template}, "ngIf"],
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_div_0_Template, 3, 1, "div", 0);
}
if (rf & 2) {
$r3$.ɵɵproperty("ngIf", ctx.visible);
}
}
`;
verify(input, output);
});
it('should generate event listeners instructions before i18n ones', () => {
const input = `
<div i18n (click)="onClick()">Hello</div>
`;
const i18n_0 = i18nMsg('Hello');
const output = String.raw`
consts: function() {
${i18n_0}
return [
[${AttributeMarker.Bindings}, "click"],
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div", 0);
$r3$.ɵɵlistener("click", function MyComponent_Template_div_click_0_listener() { return ctx.onClick(); });
$r3$.ɵɵi18n(1, 1);
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
});
describe('self-closing i18n instructions', () => {
it('should be generated with text-only content', () => {
const input = `
<div i18n>My i18n block #1</div>
`;
const i18n_0 = i18nMsg('My i18n block #1');
const output = String.raw`
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
it('should be generated for ICU-only i18n blocks', () => {
const input = `
<div i18n>{age, select, 10 {ten} 20 {twenty} other {other}}</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
decls: 2,
vars: 1,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.age);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should be generated within <ng-container> and <ng-template> blocks', () => {
const input = `
<ng-template i18n>My i18n block #1</ng-template>
<ng-container i18n>My i18n block #2</ng-container>
`;
const i18n_0 = i18nMsg('My i18n block #2');
const i18n_1 = i18nMsg('My i18n block #1');
const output = String.raw`
function MyComponent_ng_template_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18n(0, 1);
}
}
consts: function() {
${i18n_0}
${i18n_1}
return [
$i18n_0$,
$i18n_1$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_ng_template_0_Template, 1, 0, "ng-template");
$r3$.ɵɵelementContainerStart(1);
$r3$.ɵɵi18n(2, 0);
$r3$.ɵɵelementContainerEnd();
}
}
`;
verify(input, output);
});
it('should not be generated in case we have styling instructions', () => {
const input = `
<span i18n class="myClass">Text #1</span>
<span i18n style="padding: 10px;">Text #2</span>
`;
const i18n_0 = i18nMsg('Text #1');
const i18n_1 = i18nMsg('Text #2');
const output = String.raw`
decls: 4,
vars: 0,
consts: function() {
${i18n_0}
${i18n_1}
return [
[${AttributeMarker.Classes}, "myClass"],
$i18n_0$,
[${AttributeMarker.Styles}, "padding", "10px"],
$i18n_1$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "span", 0);
$r3$.ɵɵi18n(1, 1);
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementStart(2, "span", 2);
$r3$.ɵɵi18n(3, 3);
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
});
describe('ng-container and ng-template', () => {
it('should handle single translation message using <ng-container>', () => {
const input = `
<ng-container i18n>Some content: {{ valueA | uppercase }}</ng-container>
`;
const i18n_0 =
i18nMsg('Some content: {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
decls: 3,
vars: 3,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementContainerStart(0);
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵpipe(2, "uppercase");
$r3$.ɵɵelementContainerEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(2, 1, ctx.valueA));
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle single translation message using <ng-template>', () => {
const input = `
<ng-template i18n>Some content: {{ valueA | uppercase }}</ng-template>
`;
const i18n_0 =
i18nMsg('Some content: {$interpolation}', [['interpolation', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
function MyComponent_ng_template_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18n(0, 0);
$r3$.ɵɵpipe(1, "uppercase");
} if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(1, 1, $ctx_r0$.valueA));
$r3$.ɵɵi18nApply(0);
}
}
decls: 1,
vars: 0,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_ng_template_0_Template, 2, 3, "ng-template");
}
}
`;
verify(input, output);
});
it('should be able to act as child elements inside i18n block', () => {
const input = `
<div i18n>
<ng-template>Template content: {{ valueA | uppercase }}</ng-template>
<ng-container>Container content: {{ valueB | uppercase }}</ng-container>
</div>
`;
const i18n_0 = i18nMsg(
'{$startTagNgTemplate}Template content: {$interpolation}{$closeTagNgTemplate}{$startTagNgContainer}Container content: {$interpolation_1}{$closeTagNgContainer}',
[
['startTagNgTemplate', String.raw`\uFFFD*2:1\uFFFD`],
['closeTagNgTemplate', String.raw`\uFFFD/*2:1\uFFFD`],
['startTagNgContainer', String.raw`\uFFFD#3\uFFFD`],
['interpolation_1', String.raw`\uFFFD0\uFFFD`],
['closeTagNgContainer', String.raw`\uFFFD/#3\uFFFD`],
['interpolation', String.raw`\uFFFD0:1\uFFFD`]
]);
const output = String.raw`
function MyComponent_ng_template_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18n(0, 0, 1);
$r3$.ɵɵpipe(1, "uppercase");
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(1, 1, $ctx_r0$.valueA));
$r3$.ɵɵi18nApply(0);
}
}
decls: 5,
vars: 3,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵtemplate(2, MyComponent_ng_template_2_Template, 2, 3, "ng-template");
$r3$.ɵɵelementContainer(3);
$r3$.ɵɵpipe(4, "uppercase");
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(4);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(4, 1, ctx.valueB));
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle ICUs outside of translatable sections', () => {
const input = `
<ng-template>{gender, select, male {male} female {female} other {other}}</ng-template>
<ng-container>{age, select, 10 {ten} 20 {twenty} other {other}}</ng-container>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const i18n_1 = i18nIcuMsg(
'{VAR_SELECT, select, male {male} female {female} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
function MyComponent_ng_template_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18n(0, 1);
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵi18nExp($ctx_r0$.gender);
$r3$.ɵɵi18nApply(0);
}
}
decls: 3,
vars: 1,
consts: function() {
${i18n_0}
${i18n_1}
return [
$i18n_0$,
$i18n_1$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_ng_template_0_Template, 1, 1, "ng-template");
$r3$.ɵɵelementContainerStart(1);
$r3$.ɵɵi18n(2, 0);
$r3$.ɵɵelementContainerEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp(ctx.age);
$r3$.ɵɵi18nApply(2);
}
}
`;
verify(input, output);
});
it('should correctly propagate i18n context through nested templates', () => {
const input = `
<div i18n>
<ng-template>
Template A: {{ valueA | uppercase }}
<ng-template>
Template B: {{ valueB }}
<ng-template>
Template C: {{ valueC }}
</ng-template>
</ng-template>
</ng-template>
</div>
`;
const i18n_0 = i18nMsgWithPostprocess(
'{$startTagNgTemplate} Template A: {$interpolation} {$startTagNgTemplate} Template B: {$interpolation_1} {$startTagNgTemplate} Template C: {$interpolation_2} {$closeTagNgTemplate}{$closeTagNgTemplate}{$closeTagNgTemplate}',
[
[
'startTagNgTemplate', String.raw`[\uFFFD*2:1\uFFFD|\uFFFD*2:2\uFFFD|\uFFFD*1:3\uFFFD]`
],
[
'closeTagNgTemplate',
String.raw`[\uFFFD/*1:3\uFFFD|\uFFFD/*2:2\uFFFD|\uFFFD/*2:1\uFFFD]`
],
['interpolation', String.raw`\uFFFD0:1\uFFFD`],
['interpolation_1', String.raw`\uFFFD0:2\uFFFD`],
['interpolation_2', String.raw`\uFFFD0:3\uFFFD`]
]);
const output = String.raw`
function MyComponent_ng_template_2_ng_template_2_ng_template_1_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18n(0, 0, 3);
}
if (rf & 2) {
const $ctx_r2$ = $r3$.ɵɵnextContext(3);
$r3$.ɵɵi18nExp($ctx_r2$.valueC);
$r3$.ɵɵi18nApply(0);
}
}
function MyComponent_ng_template_2_ng_template_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18nStart(0, 0, 2);
$r3$.ɵɵtemplate(1, MyComponent_ng_template_2_ng_template_2_ng_template_1_Template, 1, 1, "ng-template");
$r3$.ɵɵi18nEnd();
}
if (rf & 2) {
const $ctx_r1$ = $r3$.ɵɵnextContext(2);
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp($ctx_r1$.valueB);
$r3$.ɵɵi18nApply(0);
}
}
function MyComponent_ng_template_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18nStart(0, 0, 1);
$r3$.ɵɵpipe(1, "uppercase");
$r3$.ɵɵtemplate(2, MyComponent_ng_template_2_ng_template_2_Template, 2, 1, "ng-template");
$r3$.ɵɵi18nEnd();
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp($r3$.ɵɵpipeBind1(1, 1, $ctx_r0$.valueA));
$r3$.ɵɵi18nApply(0);
}
}
decls: 3,
vars: 0,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵtemplate(2, MyComponent_ng_template_2_Template, 3, 3, "ng-template");
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
it('should work with ICUs', () => {
const input = `
<ng-container i18n>{gender, select, male {male} female {female} other {other}}</ng-container>
<ng-template i18n>{age, select, 10 {ten} 20 {twenty} other {other}}</ng-template>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, male {male} female {female} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const i18n_1 = i18nIcuMsg(
'{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
function MyComponent_ng_template_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18n(0, 1);
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵi18nExp($ctx_r0$.age);
$r3$.ɵɵi18nApply(0);
}
}
decls: 3,
vars: 1,
consts: function() {
${i18n_0}
${i18n_1}
return [
$i18n_0$,
$i18n_1$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementContainerStart(0);
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementContainerEnd();
$r3$.ɵɵtemplate(2, MyComponent_ng_template_2_Template, 1, 1, "ng-template");
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.gender);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle self-closing tags as content', () => {
const input = `
<ng-container i18n>
<img src="logo.png" title="Logo" /> is my logo #1
</ng-container>
<ng-template i18n>
<img src="logo.png" title="Logo" /> is my logo #2
</ng-template>
`;
const i18n_0 = i18nMsg(
'{$tagImg} is my logo #1 ', [['tagImg', String.raw`\uFFFD#2\uFFFD\uFFFD/#2\uFFFD`]]);
const i18n_1 = i18nMsg(
'{$tagImg} is my logo #2 ', [['tagImg', String.raw`\uFFFD#1\uFFFD\uFFFD/#1\uFFFD`]]);
const output = String.raw`
function MyComponent_ng_template_3_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18nStart(0, 2);
$r3$.ɵɵelement(1, "img", 1);
$r3$.ɵɵi18nEnd();
}
}
consts: function() {
${i18n_0}
${i18n_1}
return [
$i18n_0$,
["src", "logo.png", "title", "Logo"],
$i18n_1$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementContainerStart(0);
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵelement(2, "img", 1);
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementContainerEnd();
$r3$.ɵɵtemplate(3, MyComponent_ng_template_3_Template, 2, 0, "ng-template");
}
}
`;
verify(input, output);
});
it('should not emit duplicate i18n consts for nested <ng-container>s', () => {
const input = `
<ng-template i18n>
Root content
<ng-container *ngIf="visible">
Nested content
</ng-container>
</ng-template>
`;
const output =
i18nMsg(' Root content {$startTagNgContainer} Nested content {$closeTagNgContainer}', [
['startTagNgContainer', String.raw`\uFFFD*1:1\uFFFD\uFFFD#1:1\uFFFD`],
['closeTagNgContainer', String.raw`\uFFFD/#1:1\uFFFD\uFFFD/*1:1\uFFFD`]
]);
verify(input, output);
});
it('should not emit duplicate i18n consts for elements with the same content', () => {
const input = `
<div i18n>Test</div>
<div i18n>Test</div>
`;
// TODO(FW-635): currently we generate unique consts for each i18n block even though it
// might contain the same content. This should be optimized by translation statements caching,
// that can be implemented in the future.
const output = String.raw`
${i18nMsg('Test')}
${i18nMsg('Test')}
`;
verify(input, output);
});
it('should generate a self-closing container instruction for ng-container inside i18n', () => {
const input = `
<div i18n>
Hello <ng-container>there</ng-container>
</div>
`;
const i18n_0 = i18nMsg(' Hello {$startTagNgContainer}there{$closeTagNgContainer}', [
['startTagNgContainer', String.raw`\uFFFD#2\uFFFD`],
['closeTagNgContainer', String.raw`\uFFFD/#2\uFFFD`]
]);
const output = String.raw`
decls: 3,
vars: 0,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵelementContainer(2);
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
it('should not generate a self-closing container instruction for ng-container with non-text content inside i18n',
() => {
const input = `
<div i18n>
Hello <ng-container>there <strong>!</strong></ng-container>
</div>
`;
const i18n_0 = i18nMsg(
' Hello {$startTagNgContainer}there {$startTagStrong}!{$closeTagStrong}{$closeTagNgContainer}',
[
['startTagNgContainer', String.raw`\uFFFD#2\uFFFD`],
['startTagStrong', String.raw`\uFFFD#3\uFFFD`],
['closeTagStrong', String.raw`\uFFFD/#3\uFFFD`],
['closeTagNgContainer', String.raw`\uFFFD/#2\uFFFD`]
]);
const output = String.raw`
decls: 4,
vars: 0,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵelementContainerStart(2);
$r3$.ɵɵelement(3, "strong");
$r3$.ɵɵelementContainerEnd();
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
// Note: applying structural directives to <ng-template> is typically user error,
// but it is technically allowed, so we need to support it.
it('should handle structural directives', () => {
const input = `
<ng-template *ngIf="someFlag" i18n>Content A</ng-template>
<ng-container *ngIf="someFlag" i18n>Content B</ng-container>
`;
const i18n_0 = i18nMsg('Content A');
const i18n_1 = i18nMsg('Content B');
const output = String.raw`
function MyComponent_0_ng_template_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18n(0, 1);
}
}
function MyComponent_0_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_0_ng_template_0_Template, 1, 0, "ng-template");
}
}
function MyComponent_ng_container_1_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementContainerStart(0);
$r3$.ɵɵi18n(1, 2);
$r3$.ɵɵelementContainerEnd();
}
}
decls: 2,
vars: 2,
consts: function() {
${i18n_0}
${i18n_1}
return [
[${AttributeMarker.Template}, "ngIf"],
$i18n_0$,
$i18n_1$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtemplate(0, MyComponent_0_Template, 1, 0, undefined, 0);
$r3$.ɵɵtemplate(1, MyComponent_ng_container_1_Template, 2, 0, "ng-container", 0);
}
if (rf & 2) {
$r3$.ɵɵproperty("ngIf", ctx.someFlag);
$r3$.ɵɵadvance(1);
$r3$.ɵɵproperty("ngIf", ctx.someFlag);
}
}
`;
verify(input, output);
});
});
describe('whitespace preserving mode', () => {
it('should keep inner content of i18n block as is', () => {
const input = `
<div i18n>
Some text
<span>Text inside span</span>
</div>
`;
// Keeping raw content (avoiding `i18nMsg`) to illustrate message layout
// in case of whitespace preserving mode.
const i18n_0 = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_EXTERNAL_963542717423364282$$APP_SPEC_TS_0$ = goog.getMsg("\n Some text\n {$startTagSpan}Text inside span{$closeTagSpan}\n ", {
"startTagSpan": "\uFFFD#3\uFFFD",
"closeTagSpan": "\uFFFD/#3\uFFFD"
});
$I18N_0$ = $MSG_EXTERNAL_963542717423364282$$APP_SPEC_TS_0$;
}
else {
$I18N_0$ = $localize \`
Some text
$` +
String.raw`{"\uFFFD#3\uFFFD"}:START_TAG_SPAN:Text inside span$` +
String.raw`{"\uFFFD/#3\uFFFD"}:CLOSE_TAG_SPAN:
\`;
}
`;
const output = String.raw`
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵtext(0, "\n ");
$r3$.ɵɵelementStart(1, "div");
$r3$.ɵɵi18nStart(2, 0);
$r3$.ɵɵelement(3, "span");
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
$r3$.ɵɵtext(4, "\n ");
}
}
`;
verify(input, output, {inputArgs: {preserveWhitespaces: true}});
});
});
describe('icu logic', () => {
it('should handle single icus', () => {
const input = `
<div i18n>{gender, select, male {male} female {female} other {other}}</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, male {male} female {female} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
decls: 2,
vars: 1,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.gender);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should properly escape quotes in content', () => {
const input = `
<div i18n>{gender, select, single {'single quotes'} double {"double quotes"} other {other}}</div>
`;
const output = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_EXTERNAL_4166854826696768832$$APP_SPEC_TS_0$ = goog.getMsg("{VAR_SELECT, select, single {'single quotes'} double {\"double quotes\"} other {other}}");
$I18N_0$ = $MSG_EXTERNAL_4166854826696768832$$APP_SPEC_TS_0$;
}
else {
$I18N_0$ = $localize \`{VAR_SELECT, select, single {'single quotes'} double {"double quotes"} other {other}}\`;
}
$I18N_0$ = $r3$.ɵɵi18nPostprocess($I18N_0$, {
"VAR_SELECT": "\uFFFD0\uFFFD"
});
`;
verify(input, output);
});
it('should support ICU-only templates', () => {
const input = `
{age, select, 10 {ten} 20 {twenty} other {other}}
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const output = String.raw`
decls: 1,
vars: 1,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18n(0, 0);
}
if (rf & 2) {
$r3$.ɵɵi18nExp(ctx.age);
$r3$.ɵɵi18nApply(0);
}
}
`;
verify(input, output);
});
it('should generate i18n instructions for icus generated outside of i18n blocks', () => {
const input = `
<div>{gender, select, male {male} female {female} other {other}}</div>
<div *ngIf="visible" title="icu only">
{age, select, 10 {ten} 20 {twenty} other {other}}
</div>
<div *ngIf="available" title="icu and text">
You have {count, select, 0 {no emails} 1 {one email} other {{{count}} emails}}.
</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, male {male} female {female} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const i18n_1 = i18nIcuMsg(
'{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const i18n_2 = i18nIcuMsg(
'{VAR_SELECT, select, 0 {no emails} 1 {one email} other {{INTERPOLATION} emails}}', [
['VAR_SELECT', String.raw`\uFFFD0\uFFFD`], ['INTERPOLATION', String.raw`\uFFFD1\uFFFD`]
]);
const output = String.raw`
function MyComponent_div_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div", 3);
$r3$.ɵɵtext(1, " ");
$r3$.ɵɵi18n(2, 4);
$r3$.ɵɵtext(3, " ");
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp($ctx_r0$.age);
$r3$.ɵɵi18nApply(2);
}
}
function MyComponent_div_3_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div", 5);
$r3$.ɵɵtext(1, " You have ");
$r3$.ɵɵi18n(2, 6);
$r3$.ɵɵtext(3, ". ");
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
const $ctx_r1$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(2);
$r3$.ɵɵi18nExp($ctx_r1$.count)($ctx_r1$.count);
$r3$.ɵɵi18nApply(2);
}
}
decls: 4,
vars: 3,
consts: function() {
${i18n_0}
${i18n_1}
${i18n_2}
return [
$i18n_0$,
["title", "icu only", ${AttributeMarker.Template}, "ngIf"],
["title", "icu and text", ${AttributeMarker.Template}, "ngIf"],
["title", "icu only"],
$i18n_1$,
["title", "icu and text"],
$i18n_2$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
$r3$.ɵɵtemplate(2, MyComponent_div_2_Template, 4, 1, "div", 1);
$r3$.ɵɵtemplate(3, MyComponent_div_3_Template, 4, 2, "div", 2);
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.gender);
$r3$.ɵɵi18nApply(1);
$r3$.ɵɵadvance(1);
$r3$.ɵɵproperty("ngIf", ctx.visible);
$r3$.ɵɵadvance(1);
$r3$.ɵɵproperty("ngIf", ctx.available);
}
}
`;
verify(input, output);
});
it('should support interpolation with custom interpolation config', () => {
const input = `
<div i18n>{age, select, 10 {ten} 20 {twenty} other {{% other %}}}</div>
`;
const i18n_0 =
i18nIcuMsg('{VAR_SELECT, select, 10 {ten} 20 {twenty} other {{INTERPOLATION}}}', [
['VAR_SELECT', String.raw`\uFFFD0\uFFFD`], ['INTERPOLATION', String.raw`\uFFFD1\uFFFD`]
]);
const output = String.raw`
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.age)(ctx.other);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output, {inputArgs: {interpolation: ['{%', '%}']}});
});
it('should handle icus with html', () => {
const input = `
<div i18n>
{gender, select, male {male - <b>male</b>} female {female <b>female</b>} other {<div class="other"><i>other</i></div>}}
<b>Other content</b>
<div class="other"><i>Another content</i></div>
</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, male {male - {START_BOLD_TEXT}male{CLOSE_BOLD_TEXT}} female {female {START_BOLD_TEXT}female{CLOSE_BOLD_TEXT}} other {{START_TAG_DIV}{START_ITALIC_TEXT}other{CLOSE_ITALIC_TEXT}{CLOSE_TAG_DIV}}}',
[
['VAR_SELECT', String.raw`\uFFFD0\uFFFD`],
['START_BOLD_TEXT', '<b>'],
['CLOSE_BOLD_TEXT', '</b>'],
['START_ITALIC_TEXT', '<i>'],
['CLOSE_ITALIC_TEXT', '</i>'],
['START_TAG_DIV', '<div class=\\"other\\">'],
['CLOSE_TAG_DIV', '</div>'],
]);
const i18n_1 = i18nMsg(
' {$icu} {$startBoldText}Other content{$closeBoldText}{$startTagDiv}{$startItalicText}Another content{$closeItalicText}{$closeTagDiv}',
[
['startBoldText', String.raw`\uFFFD#2\uFFFD`],
['closeBoldText', String.raw`\uFFFD/#2\uFFFD`],
['startTagDiv', String.raw`\uFFFD#3\uFFFD`],
['startItalicText', String.raw`\uFFFD#4\uFFFD`],
['closeItalicText', String.raw`\uFFFD/#4\uFFFD`],
['closeTagDiv', String.raw`\uFFFD/#3\uFFFD`],
['icu', '$I18N_0$'],
]);
const output = String.raw`
decls: 5,
vars: 1,
consts: function() {
${i18n_0}
${i18n_1}
return [
$i18n_1$,
[${AttributeMarker.Classes}, "other"]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵelement(2, "b");
$r3$.ɵɵelementStart(3, "div", 1);
$r3$.ɵɵelement(4, "i");
$r3$.ɵɵelementEnd();
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(4);
$r3$.ɵɵi18nExp(ctx.gender);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle icus with expressions', () => {
const input = `
<div i18n>{gender, select, male {male of age: {{ ageA + ageB + ageC }}} female {female} other {other}}</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, male {male of age: {INTERPOLATION}} female {female} other {other}}',
[
['VAR_SELECT', String.raw`\uFFFD0\uFFFD`],
['INTERPOLATION', String.raw`\uFFFD1\uFFFD`],
]);
const output = String.raw`
decls: 2,
vars: 2,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.gender)(ctx.ageA + ctx.ageB + ctx.ageC);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle multiple icus in one block', () => {
const input = `
<div i18n>
{gender, select, male {male} female {female} other {other}}
{age, select, 10 {ten} 20 {twenty} 30 {thirty} other {other}}
</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, male {male} female {female} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const i18n_1 = i18nIcuMsg(
'{VAR_SELECT, select, 10 {ten} 20 {twenty} 30 {thirty} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD1\uFFFD`]]);
const i18n_2 = i18nMsg(' {$icu} {$icu_1} ', [
['icu', '$i18n_0$'],
['icu_1', '$i18n_1$'],
]);
const output = String.raw`
decls: 2,
vars: 2,
consts: function() {
${i18n_0}
${i18n_1}
${i18n_2}
return [
$i18n_2$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.gender)(ctx.age);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle multiple icus that share same placeholder', () => {
const input = `
<div i18n>
{gender, select, male {male} female {female} other {other}}
<div>
{gender, select, male {male} female {female} other {other}}
</div>
<div *ngIf="visible">
{gender, select, male {male} female {female} other {other}}
</div>
</div>
`;
// Keeping raw content here to illustrate the difference in placeholders generated for
// goog.getMsg and $localize calls (see last i18n block).
const i18n_0 = String.raw`
let $I18N_1$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_APP_SPEC_TS_1$ = goog.getMsg("{VAR_SELECT, select, male {male} female {female} other {other}}");
$I18N_1$ = $MSG_APP_SPEC_TS_1$;
}
else {
$I18N_1$ = $localize \`{VAR_SELECT, select, male {male} female {female} other {other}}\`;
}
$I18N_1$ = $r3$.ɵɵi18nPostprocess($I18N_1$, {
"VAR_SELECT": "\uFFFD0\uFFFD"
});
let $I18N_2$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_APP_SPEC_TS_2$ = goog.getMsg("{VAR_SELECT, select, male {male} female {female} other {other}}");
$I18N_2$ = $MSG_APP_SPEC_TS_2$;
}
else {
$I18N_2$ = $localize \`{VAR_SELECT, select, male {male} female {female} other {other}}\`;
}
$I18N_2$ = $r3$.ɵɵi18nPostprocess($I18N_2$, {
"VAR_SELECT": "\uFFFD1\uFFFD"
});
let $I18N_4$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_APP_SPEC_TS__4$ = goog.getMsg("{VAR_SELECT, select, male {male} female {female} other {other}}");
$I18N_4$ = $MSG_APP_SPEC_TS__4$;
}
else {
$I18N_4$ = $localize \`{VAR_SELECT, select, male {male} female {female} other {other}}\`;
}
$I18N_4$ = $r3$.ɵɵi18nPostprocess($I18N_4$, {
"VAR_SELECT": "\uFFFD0:1\uFFFD"
});
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_APP_SPEC_TS_0$ = goog.getMsg(" {$icu} {$startTagDiv} {$icu} {$closeTagDiv}{$startTagDiv_1} {$icu} {$closeTagDiv}", {
"startTagDiv": "\uFFFD#2\uFFFD",
"closeTagDiv": "[\uFFFD/#2\uFFFD|\uFFFD/#1:1\uFFFD\uFFFD/*3:1\uFFFD]",
"startTagDiv_1": "\uFFFD*3:1\uFFFD\uFFFD#1:1\uFFFD",
"icu": "\uFFFDI18N_EXP_ICU\uFFFD"
});
$I18N_0$ = $MSG_APP_SPEC_TS_0$;
}
else {
$I18N_0$ = $localize \` $` +
String.raw`{"\uFFFDI18N_EXP_ICU\uFFFD"}:ICU: $` +
String.raw`{"\uFFFD#2\uFFFD"}:START_TAG_DIV: $` +
String.raw`{"\uFFFDI18N_EXP_ICU\uFFFD"}:ICU: $` + String.raw
`{"[\uFFFD/#2\uFFFD|\uFFFD/#1:1\uFFFD\uFFFD/*3:1\uFFFD]"}:CLOSE_TAG_DIV:$` +
String.raw`{"\uFFFD*3:1\uFFFD\uFFFD#1:1\uFFFD"}:START_TAG_DIV_1: $` +
String.raw`{"\uFFFDI18N_EXP_ICU\uFFFD"}:ICU: $` + String.raw
`{"[\uFFFD/#2\uFFFD|\uFFFD/#1:1\uFFFD\uFFFD/*3:1\uFFFD]"}:CLOSE_TAG_DIV:\`;
}
$I18N_0$ = $r3$.ɵɵi18nPostprocess($I18N_0$, {
"ICU": [$I18N_1$, $I18N_2$, $I18N_4$]
});
`;
const output = String.raw`
function MyComponent_div_3_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18nStart(0, 0, 1);
$r3$.ɵɵelement(1, "div");
$r3$.ɵɵi18nEnd();
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp($ctx_r0$.gender);
$r3$.ɵɵi18nApply(0);
}
}
decls: 4,
vars: 3,
consts: function() {
${i18n_0}
return [
$i18n_0$,
[${AttributeMarker.Template}, "ngIf"]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵelement(2, "div");
$r3$.ɵɵtemplate(3, MyComponent_div_3_Template, 2, 1, "div", 1);
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(3);
$r3$.ɵɵproperty("ngIf", ctx.visible);
$r3$.ɵɵi18nExp(ctx.gender)(ctx.gender);
$r3$.ɵɵi18nApply(1);
}
}
`;
// TODO(FW-635): this use-case is currently supported with
// file-based prefix for translation const names. Translation statements
// caching is required to support this use-case with id-based consts.
verify(input, output, {skipIdBasedCheck: true});
});
it('should handle nested icus', () => {
const input = `
<div i18n>
{gender, select,
male {male of age: {age, select, 10 {ten} 20 {twenty} 30 {thirty} other {other}}}
female {female}
other {other}
}
</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT_1, select, male {male of age: {VAR_SELECT, select, 10 {ten} 20 {twenty} 30 {thirty} other {other}}} female {female} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`], ['VAR_SELECT_1', String.raw`\uFFFD1\uFFFD`]]);
const i18n_1 = i18nMsg(' {$icu} ', [['icu', '$i18n_0$']]);
const output = String.raw`
decls: 2,
vars: 2,
consts: function() {
${i18n_0}
${i18n_1}
return [
$i18n_1$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.age)(ctx.gender);
$r3$.ɵɵi18nApply(1);
}
}
`;
const exceptions = {
'3052001905251380936': 'Wrapper message generated by "ng xi18n" around ICU: " {$ICU} "'
};
verify(input, output, {exceptions});
});
it('nested with interpolations in "other" blocks', () => {
const input = `
<div i18n>{count, plural,
=0 {zero}
=2 {{{count}} {name, select,
cat {cats}
dog {dogs}
other {animals}} !}
other {other - {{count}}}
}</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_PLURAL, plural, =0 {zero} =2 {{INTERPOLATION} {VAR_SELECT, select, cat {cats} dog {dogs} other {animals}} !} other {other - {INTERPOLATION}}}',
[
['VAR_SELECT', String.raw`\uFFFD0\uFFFD`],
['VAR_PLURAL', String.raw`\uFFFD1\uFFFD`],
['INTERPOLATION', String.raw`\uFFFD2\uFFFD`],
]);
const output = String.raw`
decls: 2,
vars: 3,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.name)(ctx.count)(ctx.count);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle icus in different contexts', () => {
const input = `
<div i18n>
{gender, select, male {male} female {female} other {other}}
<span *ngIf="ageVisible">
{age, select, 10 {ten} 20 {twenty} 30 {thirty} other {other}}
</span>
</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, male {male} female {female} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const i18n_1 = i18nIcuMsg(
'{VAR_SELECT, select, 10 {ten} 20 {twenty} 30 {thirty} other {other}}',
[['VAR_SELECT', String.raw`\uFFFD0:1\uFFFD`]]);
const i18n_2 = i18nMsg(' {$icu} {$startTagSpan} {$icu_1} {$closeTagSpan}', [
['startTagSpan', String.raw`\uFFFD*2:1\uFFFD\uFFFD#1:1\uFFFD`],
['closeTagSpan', String.raw`\uFFFD/#1:1\uFFFD\uFFFD/*2:1\uFFFD`],
['icu', '$i18n_0$'],
['icu_1', '$i18n_1$'],
]);
const output = String.raw`
function MyComponent_span_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18nStart(0, 0, 1);
$r3$.ɵɵelement(1, "span");
$r3$.ɵɵi18nEnd();
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp($ctx_r0$.age);
$r3$.ɵɵi18nApply(0);
}
}
decls: 3,
vars: 2,
consts: function() {
${i18n_0}
${i18n_1}
${i18n_2}
return [
$i18n_2$,
[${AttributeMarker.Template}, "ngIf"]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵtemplate(2, MyComponent_span_2_Template, 2, 1, "span", 1);
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(2);
$r3$.ɵɵproperty("ngIf", ctx.ageVisible);
$r3$.ɵɵi18nExp(ctx.gender);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle icus with interpolations', () => {
const input = `
<div i18n>
{gender, select, male {male {{ weight }}} female {female {{ height }}} other {other}}
<span *ngIf="ageVisible">
{age, select, 10 {ten} 20 {twenty} 30 {thirty} other {other: {{ otherAge }}}}
</span>
</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, male {male {INTERPOLATION}} female {female {INTERPOLATION_1}} other {other}}',
[
['VAR_SELECT', String.raw`\uFFFD0\uFFFD`],
['INTERPOLATION', String.raw`\uFFFD1\uFFFD`],
['INTERPOLATION_1', String.raw`\uFFFD2\uFFFD`],
]);
const i18n_1 = i18nIcuMsg(
'{VAR_SELECT, select, 10 {ten} 20 {twenty} 30 {thirty} other {other: {INTERPOLATION}}}', [
['VAR_SELECT', String.raw`\uFFFD0:1\uFFFD`],
['INTERPOLATION', String.raw`\uFFFD1:1\uFFFD`],
]);
const i18n_2 = i18nMsg(' {$icu} {$startTagSpan} {$icu_1} {$closeTagSpan}', [
['startTagSpan', String.raw`\uFFFD*2:1\uFFFD\uFFFD#1:1\uFFFD`],
['closeTagSpan', String.raw`\uFFFD/#1:1\uFFFD\uFFFD/*2:1\uFFFD`],
['icu', '$i18n_0$'],
['icu_1', '$i18n_1$'],
]);
const output = String.raw`
function MyComponent_span_2_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵi18nStart(0, 0, 1);
$r3$.ɵɵelement(1, "span");
$r3$.ɵɵi18nEnd();
}
if (rf & 2) {
const $ctx_r0$ = $r3$.ɵɵnextContext();
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp($ctx_r0$.age)($ctx_r0$.otherAge);
$r3$.ɵɵi18nApply(0);
}
}
decls: 3,
vars: 4,
consts: function() {
${i18n_0}
${i18n_1}
${i18n_2}
return [
$i18n_2$,
[${AttributeMarker.Template}, "ngIf"]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18nStart(1, 0);
$r3$.ɵɵtemplate(2, MyComponent_span_2_Template, 2, 2, "span", 1);
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(2);
$r3$.ɵɵproperty("ngIf", ctx.ageVisible);
$r3$.ɵɵi18nExp(ctx.gender)(ctx.weight)(ctx.height);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should handle icus with named interpolations', () => {
const input = `
<div i18n>{
gender,
select,
male {male {{ weight // i18n(ph="PH_A") }}}
female {female {{ height // i18n(ph="PH_B") }}}
other {other {{ age // i18n(ph="PH WITH SPACES") }}}
}</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT, select, male {male {PH_A}} female {female {PH_B}} other {other {PH_WITH_SPACES}}}',
[
['VAR_SELECT', String.raw`\uFFFD0\uFFFD`],
['PH_A', String.raw`\uFFFD1\uFFFD`],
['PH_B', String.raw`\uFFFD2\uFFFD`],
['PH_WITH_SPACES', String.raw`\uFFFD3\uFFFD`],
]);
const output = String.raw`
decls: 2,
vars: 4,
consts: function() {
${i18n_0}
return [
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵelementStart(0, "div");
$r3$.ɵɵi18n(1, 0);
$r3$.ɵɵelementEnd();
}
if (rf & 2) {
$r3$.ɵɵadvance(1);
$r3$.ɵɵi18nExp(ctx.gender)(ctx.weight)(ctx.height)(ctx.age);
$r3$.ɵɵi18nApply(1);
}
}
`;
verify(input, output);
});
it('should attach metadata in case an ICU represents the whole message', () => {
const input = `
<div i18n="meaningA|descA@@idA">{count, select, 1 {one} other {more than one}}</div>
`;
const output = i18nMsgWithPostprocess(
'{VAR_SELECT, select, 1 {one} other {more than one}}', [],
{meaning: 'meaningA', desc: 'descA', id: 'idA'},
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
verify(input, output);
});
it('should produce proper messages when `select` or `plural` keywords have spaces after them',
() => {
const input = `
<div i18n>
{count, select , 1 {one} other {more than one}}
{count, plural , =1 {one} other {more than one}}
</div>
`;
const i18n_0 = i18nIcuMsg(
'{VAR_SELECT , select , 1 {one} other {more than one}}',
[['VAR_SELECT', String.raw`\uFFFD0\uFFFD`]]);
const i18n_1 = i18nIcuMsg(
'{VAR_PLURAL , plural , =1 {one} other {more than one}}',
[['VAR_PLURAL', String.raw`\uFFFD1\uFFFD`]]);
const output = String.raw`
${i18n_0}
${i18n_1}
`;
verify(input, output);
});
});
describe('$localize legacy message ids', () => {
it('should add legacy message ids if `enableI18nLegacyMessageIdFormat` is true', () => {
const input = `<div i18n>Some Message</div>`;
const output = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) { … }
else {
$I18N_0$ = $localize \`:␟ec93160d6d6a8822214060dd7938bf821c22b226␟6795333002533525253:Some Message\`;
}
`;
verify(input, output, {compilerOptions: {enableI18nLegacyMessageIdFormat: true}});
});
it('should add legacy message ids if `enableI18nLegacyMessageIdFormat` is undefined', () => {
const input = `<div i18n>Some Message</div>`;
const output = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) { … }
else {
$I18N_0$ = $localize \`:␟ec93160d6d6a8822214060dd7938bf821c22b226␟6795333002533525253:Some Message\`;
}
`;
verify(input, output, {compilerOptions: {enableI18nLegacyMessageIdFormat: undefined}});
});
});
describe('line ending normalization', () => {
[true, false].forEach(
templateUrl => describe(templateUrl ? '[templateUrl]' : '[inline template]', () => {
[true, false, undefined].forEach(
i18nNormalizeLineEndingsInICUs => describe(
`{i18nNormalizeLineEndingsInICUs: ${i18nNormalizeLineEndingsInICUs}}`, () => {
it('should normalize line endings in templates', () => {
const input =
`<div title="abc\r\ndef" i18n-title i18n>\r\nSome Message\r\n{\r\n value,\r\n select,\r\n =0 {\r\n zero\r\n }\r\n}</div>`;
const output = String.raw`
$I18N_0$ = $localize \`abc
def\`;
$I18N_4$ = $localize \`{VAR_SELECT, select, =0 {zero
}}\`
$I18N_3$ = $localize \`
Some Message
$` + String.raw`{$I18N_4$}:ICU:\`;
`;
verify(input, output, {
inputArgs: {templateUrl},
compilerOptions: {i18nNormalizeLineEndingsInICUs}
});
});
it('should compute the correct message id for messages', () => {
const input =
`<div title="abc\r\ndef" i18n-title i18n>\r\nSome Message\r\n{\r\n value,\r\n select,\r\n =0 {\r\n zero\r\n }\r\n}</div>`;
// The ids generated by the compiler are different if the template is external
// and we are not explicitly normalizing the line endings.
const ICU_EXPRESSION_ID =
templateUrl && i18nNormalizeLineEndingsInICUs !== true ?
`␟70a685282be2d956e4db234fa3d985970672faa0` :
`␟b5fe162f4e47ab5b3e534491d30b715e0dff0f52`;
const ICU_ID = templateUrl && i18nNormalizeLineEndingsInICUs !== true ?
`␟6a55b51b9bcf8f84b1b868c585ae09949668a72b` :
`␟e31c7bc4db2f2e56dc40f005958055a02fd43a2e`;
const output =
String.raw`
$I18N_0$ = $localize \`:␟4f9ce2c66b187afd9898b25f6336d1eb2be8b5dc␟7326958852138509669:abc
def\`;
$I18N_4$ = $localize \`:${
ICU_EXPRESSION_ID}␟4863953183043480207:{VAR_SELECT, select, =0 {zero
}}\`
$I18N_3$ = $localize \`:${ICU_ID}␟2773178924738647105:
Some Message
$` + String.raw`{$I18N_4$}:ICU:\`;
`;
verify(input, output, {
inputArgs: {templateUrl},
compilerOptions:
{i18nNormalizeLineEndingsInICUs, enableI18nLegacyMessageIdFormat: true}
});
});
}));
}));
});
describe('es5 support', () => {
it('should generate ES5 compliant localized messages if the target is ES5', () => {
const input = `
<div i18n="meaning:A|descA@@idA">Content A</div>
`;
const output = String.raw`
var $I18N_0$;
$I18N_0$ = $localize(…__makeTemplateObject([":meaning:A|descA@@idA:Content A"], [":meaning\\:A|descA@@idA:Content A"])…);
`;
verify(
input, output, {skipIdBasedCheck: true, compilerOptions: {target: ts.ScriptTarget.ES5}});
});
});
describe('errors', () => {
const verifyNestedSectionsError = (errorThrown: any, expectedErrorText: string) => {
expect(errorThrown.ngParseErrors.length).toBe(1);
const msg = errorThrown.ngParseErrors[0].toString();
expect(msg).toContain(
'Cannot mark an element as translatable inside of a translatable section. Please remove the nested i18n marker.');
expect(msg).toContain(expectedErrorText);
expect(msg).toMatch(/app\/spec\.ts\@\d+\:\d+/);
};
it('should throw on nested i18n sections', () => {
const files = getAppFilesWithTemplate(`
<div i18n>
<div i18n>Some content</div>
</div>
`);
try {
compile(files, angularFiles);
} catch (error) {
verifyNestedSectionsError(error, '[ERROR ->]<div i18n>Some content</div>');
}
});
it('should throw on nested i18n sections with tags in between', () => {
const files = getAppFilesWithTemplate(`
<div i18n>
<div>
<div i18n>Some content</div>
</div>
</div>
`);
try {
compile(files, angularFiles);
} catch (error) {
verifyNestedSectionsError(error, '[ERROR ->]<div i18n>Some content</div>');
}
});
it('should throw on nested i18n sections represented with <ng-container>s', () => {
const files = getAppFilesWithTemplate(`
<ng-container i18n>
<div>
<ng-container i18n>Some content</ng-container>
</div>
</ng-container>
`);
try {
compile(files, angularFiles);
} catch (error) {
verifyNestedSectionsError(
error, '[ERROR ->]<ng-container i18n>Some content</ng-container>');
}
});
});
describe('namespaces', () => {
it('should handle namespaces inside i18n blocks', () => {
const input = `
<svg xmlns="http://www.w3.org/2000/svg">
<foreignObject i18n>
<xhtml:div xmlns="http://www.w3.org/1999/xhtml">
Count: <span>5</span>
</xhtml:div>
</foreignObject>
</svg>
`;
const i18n_0 = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_EXTERNAL_7128002169381370313$$APP_SPEC_TS_1$ = goog.getMsg("{$startTagXhtmlDiv} Count: {$startTagXhtmlSpan}5{$closeTagXhtmlSpan}{$closeTagXhtmlDiv}", {
"startTagXhtmlDiv": "\uFFFD#3\uFFFD",
"startTagXhtmlSpan": "\uFFFD#4\uFFFD",
"closeTagXhtmlSpan": "\uFFFD/#4\uFFFD",
"closeTagXhtmlDiv": "\uFFFD/#3\uFFFD"
});
$I18N_0$ = $MSG_EXTERNAL_7128002169381370313$$APP_SPEC_TS_1$;
}
else {
$I18N_0$ = $localize \`$` +
String.raw`{"\uFFFD#3\uFFFD"}:START_TAG__XHTML_DIV: Count: $` +
String.raw`{"\uFFFD#4\uFFFD"}:START_TAG__XHTML_SPAN:5$` +
String.raw`{"\uFFFD/#4\uFFFD"}:CLOSE_TAG__XHTML_SPAN:$` +
String.raw`{"\uFFFD/#3\uFFFD"}:CLOSE_TAG__XHTML_DIV:\`;
}
`;
const output = String.raw`
consts: function() {
${i18n_0}
return [
["xmlns", "http://www.w3.org/2000/svg"],
$i18n_0$,
["xmlns", "http://www.w3.org/1999/xhtml"]
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵnamespaceSVG();
$r3$.ɵɵelementStart(0, "svg", 0);
$r3$.ɵɵelementStart(1, "foreignObject");
$r3$.ɵɵi18nStart(2, 1);
$r3$.ɵɵnamespaceHTML();
$r3$.ɵɵelementStart(3, "div", 2);
$r3$.ɵɵelement(4, "span");
$r3$.ɵɵelementEnd();
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
it('should handle namespaces on i18n block containers', () => {
const input = `
<svg xmlns="http://www.w3.org/2000/svg">
<foreignObject>
<xhtml:div xmlns="http://www.w3.org/1999/xhtml" i18n>
Count: <span>5</span>
</xhtml:div>
</foreignObject>
</svg>
`;
const i18n_0 = String.raw`
let $I18N_0$;
if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) {
const $MSG_EXTERNAL_7428861019045796010$$APP_SPEC_TS_1$ = goog.getMsg(" Count: {$startTagXhtmlSpan}5{$closeTagXhtmlSpan}", {
"startTagXhtmlSpan": "\uFFFD#4\uFFFD",
"closeTagXhtmlSpan": "\uFFFD/#4\uFFFD"
});
$I18N_0$ = $MSG_EXTERNAL_7428861019045796010$$APP_SPEC_TS_1$;
}
else {
$I18N_0$ = $localize \` Count: $` +
String.raw`{"\uFFFD#4\uFFFD"}:START_TAG__XHTML_SPAN:5$` +
String.raw`{"\uFFFD/#4\uFFFD"}:CLOSE_TAG__XHTML_SPAN:\`;
}
`;
const output = String.raw`
consts: function() {
${i18n_0}
return [
["xmlns", "http://www.w3.org/2000/svg"],
["xmlns", "http://www.w3.org/1999/xhtml"],
$i18n_0$
];
},
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵɵnamespaceSVG();
$r3$.ɵɵelementStart(0, "svg", 0);
$r3$.ɵɵelementStart(1, "foreignObject");
$r3$.ɵɵnamespaceHTML();
$r3$.ɵɵelementStart(2, "div", 1);
$r3$.ɵɵi18nStart(3, 2);
$r3$.ɵɵelement(4, "span");
$r3$.ɵɵi18nEnd();
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementEnd();
$r3$.ɵɵelementEnd();
}
}
`;
verify(input, output);
});
});
});