angular-cn/packages/compiler/test/ml_parser/lexer_spec.ts

1277 lines
48 KiB
TypeScript

/**
* @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 {getHtmlTagDefinition} from '../../src/ml_parser/html_tags';
import * as lex from '../../src/ml_parser/lexer';
import {ParseLocation, ParseSourceFile, ParseSourceSpan} from '../../src/parse_util';
{
describe('HtmlLexer', () => {
describe('line/column numbers', () => {
it('should work without newlines', () => {
expect(tokenizeAndHumanizeLineColumn('<t>a</t>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '0:2'],
[lex.TokenType.TEXT, '0:3'],
[lex.TokenType.TAG_CLOSE, '0:4'],
[lex.TokenType.EOF, '0:8'],
]);
});
it('should work with one newline', () => {
expect(tokenizeAndHumanizeLineColumn('<t>\na</t>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '0:2'],
[lex.TokenType.TEXT, '0:3'],
[lex.TokenType.TAG_CLOSE, '1:1'],
[lex.TokenType.EOF, '1:5'],
]);
});
it('should work with multiple newlines', () => {
expect(tokenizeAndHumanizeLineColumn('<t\n>\na</t>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '1:0'],
[lex.TokenType.TEXT, '1:1'],
[lex.TokenType.TAG_CLOSE, '2:1'],
[lex.TokenType.EOF, '2:5'],
]);
});
it('should work with CR and LF', () => {
expect(tokenizeAndHumanizeLineColumn('<t\n>\r\na\r</t>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '1:0'],
[lex.TokenType.TEXT, '1:1'],
[lex.TokenType.TAG_CLOSE, '2:1'],
[lex.TokenType.EOF, '2:5'],
]);
});
it('should skip over leading trivia for source-span start', () => {
expect(tokenizeAndHumanizeLineColumn(
'<t>\n \t a</t>', {leadingTriviaChars: ['\n', ' ', '\t']}))
.toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '0:2'],
[lex.TokenType.TEXT, '1:3'],
[lex.TokenType.TAG_CLOSE, '1:4'],
[lex.TokenType.EOF, '1:8'],
]);
});
});
describe('content ranges', () => {
it('should only process the text within the range', () => {
expect(tokenizeAndHumanizeSourceSpans(
'pre 1\npre 2\npre 3 `line 1\nline 2\nline 3` post 1\n post 2\n post 3',
{range: {startPos: 19, startLine: 2, startCol: 7, endPos: 39}}))
.toEqual([
[lex.TokenType.TEXT, 'line 1\nline 2\nline 3'],
[lex.TokenType.EOF, ''],
]);
});
it('should take into account preceding (non-processed) lines and columns', () => {
expect(tokenizeAndHumanizeLineColumn(
'pre 1\npre 2\npre 3 `line 1\nline 2\nline 3` post 1\n post 2\n post 3',
{range: {startPos: 19, startLine: 2, startCol: 7, endPos: 39}}))
.toEqual([
[lex.TokenType.TEXT, '2:7'],
[lex.TokenType.EOF, '4:6'],
]);
});
});
describe('comments', () => {
it('should parse comments', () => {
expect(tokenizeAndHumanizeParts('<!--t\ne\rs\r\nt-->')).toEqual([
[lex.TokenType.COMMENT_START],
[lex.TokenType.RAW_TEXT, 't\ne\ns\nt'],
[lex.TokenType.COMMENT_END],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<!--t\ne\rs\r\nt-->')).toEqual([
[lex.TokenType.COMMENT_START, '<!--'],
[lex.TokenType.RAW_TEXT, 't\ne\rs\r\nt'],
[lex.TokenType.COMMENT_END, '-->'],
[lex.TokenType.EOF, ''],
]);
});
it('should report <!- without -', () => {
expect(tokenizeAndHumanizeErrors('<!-a')).toEqual([
[lex.TokenType.COMMENT_START, 'Unexpected character "a"', '0:3']
]);
});
it('should report missing end comment', () => {
expect(tokenizeAndHumanizeErrors('<!--')).toEqual([
[lex.TokenType.RAW_TEXT, 'Unexpected character "EOF"', '0:4']
]);
});
it('should accept comments finishing by too many dashes (even number)', () => {
expect(tokenizeAndHumanizeSourceSpans('<!-- test ---->')).toEqual([
[lex.TokenType.COMMENT_START, '<!--'],
[lex.TokenType.RAW_TEXT, ' test --'],
[lex.TokenType.COMMENT_END, '-->'],
[lex.TokenType.EOF, ''],
]);
});
it('should accept comments finishing by too many dashes (odd number)', () => {
expect(tokenizeAndHumanizeSourceSpans('<!-- test --->')).toEqual([
[lex.TokenType.COMMENT_START, '<!--'],
[lex.TokenType.RAW_TEXT, ' test -'],
[lex.TokenType.COMMENT_END, '-->'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('doctype', () => {
it('should parse doctypes', () => {
expect(tokenizeAndHumanizeParts('<!doctype html>')).toEqual([
[lex.TokenType.DOC_TYPE, 'doctype html'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<!doctype html>')).toEqual([
[lex.TokenType.DOC_TYPE, '<!doctype html>'],
[lex.TokenType.EOF, ''],
]);
});
it('should report missing end doctype', () => {
expect(tokenizeAndHumanizeErrors('<!')).toEqual([
[lex.TokenType.DOC_TYPE, 'Unexpected character "EOF"', '0:2']
]);
});
});
describe('CDATA', () => {
it('should parse CDATA', () => {
expect(tokenizeAndHumanizeParts('<![CDATA[t\ne\rs\r\nt]]>')).toEqual([
[lex.TokenType.CDATA_START],
[lex.TokenType.RAW_TEXT, 't\ne\ns\nt'],
[lex.TokenType.CDATA_END],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<![CDATA[t\ne\rs\r\nt]]>')).toEqual([
[lex.TokenType.CDATA_START, '<![CDATA['],
[lex.TokenType.RAW_TEXT, 't\ne\rs\r\nt'],
[lex.TokenType.CDATA_END, ']]>'],
[lex.TokenType.EOF, ''],
]);
});
it('should report <![ without CDATA[', () => {
expect(tokenizeAndHumanizeErrors('<![a')).toEqual([
[lex.TokenType.CDATA_START, 'Unexpected character "a"', '0:3']
]);
});
it('should report missing end cdata', () => {
expect(tokenizeAndHumanizeErrors('<![CDATA[')).toEqual([
[lex.TokenType.RAW_TEXT, 'Unexpected character "EOF"', '0:9']
]);
});
});
describe('open tags', () => {
it('should parse open tags without prefix', () => {
expect(tokenizeAndHumanizeParts('<test>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'test'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse namespace prefix', () => {
expect(tokenizeAndHumanizeParts('<ns1:test>')).toEqual([
[lex.TokenType.TAG_OPEN_START, 'ns1', 'test'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse void tags', () => {
expect(tokenizeAndHumanizeParts('<test/>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'test'],
[lex.TokenType.TAG_OPEN_END_VOID],
[lex.TokenType.EOF],
]);
});
it('should allow whitespace after the tag name', () => {
expect(tokenizeAndHumanizeParts('<test >')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'test'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<test>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '<test'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('attributes', () => {
it('should parse attributes without prefix', () => {
expect(tokenizeAndHumanizeParts('<t a>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with interpolation', () => {
expect(tokenizeAndHumanizeParts('<t a="{{v}}" b="s{{m}}e" c="s{{m//c}}e">')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, '{{v}}'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_NAME, '', 'b'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, 's{{m}}e'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_NAME, '', 'c'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, 's{{m//c}}e'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with prefix', () => {
expect(tokenizeAndHumanizeParts('<t ns1:a>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, 'ns1', 'a'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes whose prefix is not valid', () => {
expect(tokenizeAndHumanizeParts('<t (ns1:a)>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', '(ns1:a)'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with single quote value', () => {
expect(tokenizeAndHumanizeParts('<t a=\'b\'>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_QUOTE, '\''],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.ATTR_QUOTE, '\''],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with double quote value', () => {
expect(tokenizeAndHumanizeParts('<t a="b">')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with unquoted value', () => {
expect(tokenizeAndHumanizeParts('<t a=b>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should allow whitespace', () => {
expect(tokenizeAndHumanizeParts('<t a = b >')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with entities in values', () => {
expect(tokenizeAndHumanizeParts('<t a="&#65;&#x41;">')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, 'AA'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should not decode entities without trailing ";"', () => {
expect(tokenizeAndHumanizeParts('<t a="&amp" b="c&&d">')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, '&amp'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_NAME, '', 'b'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, 'c&&d'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with "&" in values', () => {
expect(tokenizeAndHumanizeParts('<t a="b && c &">')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, 'b && c &'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse values with CR and LF', () => {
expect(tokenizeAndHumanizeParts('<t a=\'t\ne\rs\r\nt\'>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_QUOTE, '\''],
[lex.TokenType.ATTR_VALUE, 't\ne\ns\nt'],
[lex.TokenType.ATTR_QUOTE, '\''],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<t a=b>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '<t'],
[lex.TokenType.ATTR_NAME, 'a'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.EOF, ''],
]);
});
it('should report missing closing single quote', () => {
expect(tokenizeAndHumanizeErrors('<t a=\'b>')).toEqual([
[lex.TokenType.ATTR_VALUE, 'Unexpected character "EOF"', '0:8'],
]);
});
it('should report missing closing double quote', () => {
expect(tokenizeAndHumanizeErrors('<t a="b>')).toEqual([
[lex.TokenType.ATTR_VALUE, 'Unexpected character "EOF"', '0:8'],
]);
});
});
describe('closing tags', () => {
it('should parse closing tags without prefix', () => {
expect(tokenizeAndHumanizeParts('</test>')).toEqual([
[lex.TokenType.TAG_CLOSE, '', 'test'],
[lex.TokenType.EOF],
]);
});
it('should parse closing tags with prefix', () => {
expect(tokenizeAndHumanizeParts('</ns1:test>')).toEqual([
[lex.TokenType.TAG_CLOSE, 'ns1', 'test'],
[lex.TokenType.EOF],
]);
});
it('should allow whitespace', () => {
expect(tokenizeAndHumanizeParts('</ test >')).toEqual([
[lex.TokenType.TAG_CLOSE, '', 'test'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('</test>')).toEqual([
[lex.TokenType.TAG_CLOSE, '</test>'],
[lex.TokenType.EOF, ''],
]);
});
it('should report missing name after </', () => {
expect(tokenizeAndHumanizeErrors('</')).toEqual([
[lex.TokenType.TAG_CLOSE, 'Unexpected character "EOF"', '0:2']
]);
});
it('should report missing >', () => {
expect(tokenizeAndHumanizeErrors('</test')).toEqual([
[lex.TokenType.TAG_CLOSE, 'Unexpected character "EOF"', '0:6']
]);
});
});
describe('entities', () => {
it('should parse named entities', () => {
expect(tokenizeAndHumanizeParts('a&amp;b')).toEqual([
[lex.TokenType.TEXT, 'a&b'],
[lex.TokenType.EOF],
]);
});
it('should parse hexadecimal entities', () => {
expect(tokenizeAndHumanizeParts('&#x41;&#X41;')).toEqual([
[lex.TokenType.TEXT, 'AA'],
[lex.TokenType.EOF],
]);
});
it('should parse decimal entities', () => {
expect(tokenizeAndHumanizeParts('&#65;')).toEqual([
[lex.TokenType.TEXT, 'A'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('a&amp;b')).toEqual([
[lex.TokenType.TEXT, 'a&amp;b'],
[lex.TokenType.EOF, ''],
]);
});
it('should report malformed/unknown entities', () => {
expect(tokenizeAndHumanizeErrors('&tbo;')).toEqual([[
lex.TokenType.TEXT,
'Unknown entity "tbo" - use the "&#<decimal>;" or "&#x<hex>;" syntax', '0:0'
]]);
expect(tokenizeAndHumanizeErrors('&#3sdf;')).toEqual([
[lex.TokenType.TEXT, 'Unexpected character "s"', '0:3']
]);
expect(tokenizeAndHumanizeErrors('&#xasdf;')).toEqual([
[lex.TokenType.TEXT, 'Unexpected character "s"', '0:4']
]);
expect(tokenizeAndHumanizeErrors('&#xABC')).toEqual([
[lex.TokenType.TEXT, 'Unexpected character "EOF"', '0:6']
]);
});
});
describe('regular text', () => {
it('should parse text', () => {
expect(tokenizeAndHumanizeParts('a')).toEqual([
[lex.TokenType.TEXT, 'a'],
[lex.TokenType.EOF],
]);
});
it('should parse interpolation', () => {
expect(tokenizeAndHumanizeParts('{{ a }}b{{ c // comment }}')).toEqual([
[lex.TokenType.TEXT, '{{ a }}b{{ c // comment }}'],
[lex.TokenType.EOF],
]);
});
it('should parse interpolation with custom markers', () => {
expect(tokenizeAndHumanizeParts('{% a %}', {interpolationConfig: {start: '{%', end: '%}'}}))
.toEqual([
[lex.TokenType.TEXT, '{% a %}'],
[lex.TokenType.EOF],
]);
});
it('should handle CR & LF', () => {
expect(tokenizeAndHumanizeParts('t\ne\rs\r\nt')).toEqual([
[lex.TokenType.TEXT, 't\ne\ns\nt'],
[lex.TokenType.EOF],
]);
});
it('should parse entities', () => {
expect(tokenizeAndHumanizeParts('a&amp;b')).toEqual([
[lex.TokenType.TEXT, 'a&b'],
[lex.TokenType.EOF],
]);
});
it('should parse text starting with "&"', () => {
expect(tokenizeAndHumanizeParts('a && b &')).toEqual([
[lex.TokenType.TEXT, 'a && b &'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('a')).toEqual([
[lex.TokenType.TEXT, 'a'],
[lex.TokenType.EOF, ''],
]);
});
it('should allow "<" in text nodes', () => {
expect(tokenizeAndHumanizeParts('{{ a < b ? c : d }}')).toEqual([
[lex.TokenType.TEXT, '{{ a < b ? c : d }}'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeSourceSpans('<p>a<b</p>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '<p'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.TEXT, 'a<b'],
[lex.TokenType.TAG_CLOSE, '</p>'],
[lex.TokenType.EOF, ''],
]);
expect(tokenizeAndHumanizeParts('< a>')).toEqual([
[lex.TokenType.TEXT, '< a>'],
[lex.TokenType.EOF],
]);
});
it('should parse valid start tag in interpolation', () => {
expect(tokenizeAndHumanizeParts('{{ a <b && c > d }}')).toEqual([
[lex.TokenType.TEXT, '{{ a '],
[lex.TokenType.TAG_OPEN_START, '', 'b'],
[lex.TokenType.ATTR_NAME, '', '&&'],
[lex.TokenType.ATTR_NAME, '', 'c'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, ' d }}'],
[lex.TokenType.EOF],
]);
});
it('should parse start tags quotes in place of an attribute name as text', () => {
expect(tokenizeAndHumanizeParts('<t ">')).toEqual([
[lex.TokenType.TEXT, '<t ">'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('<t \'>')).toEqual([
[lex.TokenType.TEXT, '<t \'>'],
[lex.TokenType.EOF],
]);
});
it('should parse start tags quotes in place of an attribute name (after a valid attribute) as text',
() => {
expect(tokenizeAndHumanizeParts('<t a="b" ">')).toEqual([
[lex.TokenType.TEXT, '<t a="b" ">'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('<t a=\'b\' \'>')).toEqual([
[lex.TokenType.TEXT, '<t a=\'b\' \'>'],
[lex.TokenType.EOF],
]);
});
it('should be able to escape {', () => {
expect(tokenizeAndHumanizeParts('{{ "{" }}')).toEqual([
[lex.TokenType.TEXT, '{{ "{" }}'],
[lex.TokenType.EOF],
]);
});
it('should be able to escape {{', () => {
expect(tokenizeAndHumanizeParts('{{ "{{" }}')).toEqual([
[lex.TokenType.TEXT, '{{ "{{" }}'],
[lex.TokenType.EOF],
]);
});
it('should treat expansion form as text when they are not parsed', () => {
expect(tokenizeAndHumanizeParts(
'<span>{a, b, =4 {c}}</span>', {tokenizeExpansionForms: false}))
.toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'span'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, '{a, b, =4 {c}}'],
[lex.TokenType.TAG_CLOSE, '', 'span'],
[lex.TokenType.EOF],
]);
});
});
describe('raw text', () => {
it('should parse text', () => {
expect(tokenizeAndHumanizeParts(`<script>t\ne\rs\r\nt</script>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'script'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.RAW_TEXT, 't\ne\ns\nt'],
[lex.TokenType.TAG_CLOSE, '', 'script'],
[lex.TokenType.EOF],
]);
});
it('should not detect entities', () => {
expect(tokenizeAndHumanizeParts(`<script>&amp;</SCRIPT>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'script'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.RAW_TEXT, '&amp;'],
[lex.TokenType.TAG_CLOSE, '', 'script'],
[lex.TokenType.EOF],
]);
});
it('should ignore other opening tags', () => {
expect(tokenizeAndHumanizeParts(`<script>a<div></script>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'script'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.RAW_TEXT, 'a<div>'],
[lex.TokenType.TAG_CLOSE, '', 'script'],
[lex.TokenType.EOF],
]);
});
it('should ignore other closing tags', () => {
expect(tokenizeAndHumanizeParts(`<script>a</test></script>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'script'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.RAW_TEXT, 'a</test>'],
[lex.TokenType.TAG_CLOSE, '', 'script'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans(`<script>a</script>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '<script'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.RAW_TEXT, 'a'],
[lex.TokenType.TAG_CLOSE, '</script>'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('escapable raw text', () => {
it('should parse text', () => {
expect(tokenizeAndHumanizeParts(`<title>t\ne\rs\r\nt</title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'title'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.ESCAPABLE_RAW_TEXT, 't\ne\ns\nt'],
[lex.TokenType.TAG_CLOSE, '', 'title'],
[lex.TokenType.EOF],
]);
});
it('should detect entities', () => {
expect(tokenizeAndHumanizeParts(`<title>&amp;</title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'title'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.ESCAPABLE_RAW_TEXT, '&'],
[lex.TokenType.TAG_CLOSE, '', 'title'],
[lex.TokenType.EOF],
]);
});
it('should ignore other opening tags', () => {
expect(tokenizeAndHumanizeParts(`<title>a<div></title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'title'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.ESCAPABLE_RAW_TEXT, 'a<div>'],
[lex.TokenType.TAG_CLOSE, '', 'title'],
[lex.TokenType.EOF],
]);
});
it('should ignore other closing tags', () => {
expect(tokenizeAndHumanizeParts(`<title>a</test></title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'title'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.ESCAPABLE_RAW_TEXT, 'a</test>'],
[lex.TokenType.TAG_CLOSE, '', 'title'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans(`<title>a</title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '<title'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.ESCAPABLE_RAW_TEXT, 'a'],
[lex.TokenType.TAG_CLOSE, '</title>'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('expansion forms', () => {
it('should parse an expansion form', () => {
expect(
tokenizeAndHumanizeParts(
'{one.two, three, =4 {four} =5 {five} foo {bar} }', {tokenizeExpansionForms: true}))
.toEqual([
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'four'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_CASE_VALUE, '=5'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'five'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_CASE_VALUE, 'foo'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'bar'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.EOF],
]);
});
it('should parse an expansion form with text elements surrounding it', () => {
expect(tokenizeAndHumanizeParts(
'before{one.two, three, =4 {four}}after', {tokenizeExpansionForms: true}))
.toEqual([
[lex.TokenType.TEXT, 'before'],
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'four'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.TEXT, 'after'],
[lex.TokenType.EOF],
]);
});
it('should parse an expansion form as a tag single child', () => {
expect(tokenizeAndHumanizeParts(
'<div><span>{a, b, =4 {c}}</span></div>', {tokenizeExpansionForms: true}))
.toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'div'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TAG_OPEN_START, '', 'span'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'a'],
[lex.TokenType.RAW_TEXT, 'b'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'c'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.TAG_CLOSE, '', 'span'],
[lex.TokenType.TAG_CLOSE, '', 'div'],
[lex.TokenType.EOF],
]);
});
it('should parse an expansion form with whitespace surrounding it', () => {
expect(tokenizeAndHumanizeParts(
'<div><span> {a, b, =4 {c}} </span></div>', {tokenizeExpansionForms: true}))
.toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'div'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TAG_OPEN_START, '', 'span'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, ' '],
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'a'],
[lex.TokenType.RAW_TEXT, 'b'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'c'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.TEXT, ' '],
[lex.TokenType.TAG_CLOSE, '', 'span'],
[lex.TokenType.TAG_CLOSE, '', 'div'],
[lex.TokenType.EOF],
]);
});
it('should parse an expansion forms with elements in it', () => {
expect(tokenizeAndHumanizeParts(
'{one.two, three, =4 {four <b>a</b>}}', {tokenizeExpansionForms: true}))
.toEqual([
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'four '],
[lex.TokenType.TAG_OPEN_START, '', 'b'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, 'a'],
[lex.TokenType.TAG_CLOSE, '', 'b'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.EOF],
]);
});
it('should parse an expansion forms containing an interpolation', () => {
expect(tokenizeAndHumanizeParts(
'{one.two, three, =4 {four {{a}}}}', {tokenizeExpansionForms: true}))
.toEqual([
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'four {{a}}'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.EOF],
]);
});
it('should parse nested expansion forms', () => {
expect(tokenizeAndHumanizeParts(
`{one.two, three, =4 { {xx, yy, =x {one}} }}`, {tokenizeExpansionForms: true}))
.toEqual([
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'xx'],
[lex.TokenType.RAW_TEXT, 'yy'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=x'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'one'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.TEXT, ' '],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.EOF],
]);
});
});
describe('errors', () => {
it('should report unescaped "{" on error', () => {
expect(tokenizeAndHumanizeErrors(`<p>before { after</p>`, {tokenizeExpansionForms: true}))
.toEqual([[
lex.TokenType.RAW_TEXT,
`Unexpected character "EOF" (Do you have an unescaped "{" in your template? Use "{{ '{' }}") to escape it.)`,
'0:21',
]]);
});
it('should include 2 lines of context in message', () => {
const src = '111\n222\n333\nE\n444\n555\n666\n';
const file = new ParseSourceFile(src, 'file://');
const location = new ParseLocation(file, 12, 123, 456);
const span = new ParseSourceSpan(location, location);
const error = new lex.TokenError('**ERROR**', null!, span);
expect(error.toString())
.toEqual(`**ERROR** ("\n222\n333\n[ERROR ->]E\n444\n555\n"): file://@123:456`);
});
});
describe('unicode characters', () => {
it('should support unicode characters', () => {
expect(tokenizeAndHumanizeSourceSpans(`<p>İ</p>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '<p'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.TEXT, 'İ'],
[lex.TokenType.TAG_CLOSE, '</p>'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('(processing escaped strings)', () => {
it('should unescape standard escape sequences', () => {
expect(tokenizeAndHumanizeParts('\\\' \\\' \\\'', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\' \' \''],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\" \\" \\"', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\" \" \"'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\` \\` \\`', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\` \` \`'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\\\ \\\\ \\\\', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\\ \\ \\'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\n \\n \\n', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\n \n \n'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\r \\r \\r', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\n \n \n'], // post processing converts `\r` to `\n`
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\v \\v \\v', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\v \v \v'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\t \\t \\t', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\t \t \t'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\b \\b \\b', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\b \b \b'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\f \\f \\f', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\f \f \f'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts(
'\\\' \\" \\` \\\\ \\n \\r \\v \\t \\b \\f', {escapedString: true}))
.toEqual([
[lex.TokenType.TEXT, '\' \" \` \\ \n \n \v \t \b \f'],
[lex.TokenType.EOF],
]);
});
it('should unescape null sequences', () => {
expect(tokenizeAndHumanizeParts('\\0', {escapedString: true})).toEqual([
[lex.TokenType.EOF],
]);
// \09 is not an octal number so the \0 is taken as EOF
expect(tokenizeAndHumanizeParts('\\09', {escapedString: true})).toEqual([
[lex.TokenType.EOF],
]);
});
it('should unescape octal sequences', () => {
// \19 is read as an octal `\1` followed by a normal char `9`
// \1234 is read as an octal `\123` followed by a normal char `4`
// \999 is not an octal number so its backslash just gets removed.
expect(tokenizeAndHumanizeParts(
'\\001 \\01 \\1 \\12 \\223 \\19 \\2234 \\999', {escapedString: true}))
.toEqual([
[lex.TokenType.TEXT, '\x01 \x01 \x01 \x0A \x93 \x019 \x934 999'],
[lex.TokenType.EOF],
]);
});
it('should unescape hex sequences', () => {
expect(tokenizeAndHumanizeParts('\\x12 \\x4F \\xDC', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\x12 \x4F \xDC'],
[lex.TokenType.EOF],
]);
});
it('should report an error on an invalid hex sequence', () => {
expect(tokenizeAndHumanizeErrors('\\xGG', {escapedString: true})).toEqual([
[null, 'Invalid hexadecimal escape sequence', '0:2']
]);
expect(tokenizeAndHumanizeErrors('abc \\x xyz', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, 'Invalid hexadecimal escape sequence', '0:6']
]);
expect(tokenizeAndHumanizeErrors('abc\\x', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, 'Unexpected character "EOF"', '0:5']
]);
});
it('should unescape fixed length Unicode sequences', () => {
expect(tokenizeAndHumanizeParts('\\u0123 \\uABCD', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, '\u0123 \uABCD'],
[lex.TokenType.EOF],
]);
});
it('should error on an invalid fixed length Unicode sequence', () => {
expect(tokenizeAndHumanizeErrors('\\uGGGG', {escapedString: true})).toEqual([
[null, 'Invalid hexadecimal escape sequence', '0:2']
]);
});
it('should unescape variable length Unicode sequences', () => {
expect(tokenizeAndHumanizeParts(
'\\u{01} \\u{ABC} \\u{1234} \\u{123AB}', {escapedString: true}))
.toEqual([
[lex.TokenType.TEXT, '\u{01} \u{ABC} \u{1234} \u{123AB}'],
[lex.TokenType.EOF],
]);
});
it('should error on an invalid variable length Unicode sequence', () => {
expect(tokenizeAndHumanizeErrors('\\u{GG}', {escapedString: true})).toEqual([
[null, 'Invalid hexadecimal escape sequence', '0:3']
]);
});
it('should unescape line continuations', () => {
expect(tokenizeAndHumanizeParts('abc\\\ndef', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, 'abcdef'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeParts('\\\nx\\\ny\\\n', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, 'xy'],
[lex.TokenType.EOF],
]);
});
it('should remove backslash from "non-escape" sequences', () => {
expect(tokenizeAndHumanizeParts('\a \g \~', {escapedString: true})).toEqual([
[lex.TokenType.TEXT, 'a g ~'],
[lex.TokenType.EOF],
]);
});
it('should unescape sequences in plain text', () => {
expect(tokenizeAndHumanizeParts('abc\ndef\\nghi\\tjkl\\`\\\'\\"mno', {escapedString: true}))
.toEqual([
[lex.TokenType.TEXT, 'abc\ndef\nghi\tjkl`\'"mno'],
[lex.TokenType.EOF],
]);
});
it('should unescape sequences in raw text', () => {
expect(tokenizeAndHumanizeParts(
'<script>abc\ndef\\nghi\\tjkl\\`\\\'\\"mno</script>', {escapedString: true}))
.toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'script'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.RAW_TEXT, 'abc\ndef\nghi\tjkl`\'"mno'],
[lex.TokenType.TAG_CLOSE, '', 'script'],
[lex.TokenType.EOF],
]);
});
it('should unescape sequences in escapable raw text', () => {
expect(tokenizeAndHumanizeParts(
'<title>abc\ndef\\nghi\\tjkl\\`\\\'\\"mno</title>', {escapedString: true}))
.toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'title'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.ESCAPABLE_RAW_TEXT, 'abc\ndef\nghi\tjkl`\'"mno'],
[lex.TokenType.TAG_CLOSE, '', 'title'],
[lex.TokenType.EOF],
]);
});
it('should parse over escape sequences in tag definitions', () => {
expect(tokenizeAndHumanizeParts('<t a=\\"b\\" \\n c=\\\'d\\\'>', {escapedString: true}))
.toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_NAME, '', 'c'],
[lex.TokenType.ATTR_QUOTE, '\''],
[lex.TokenType.ATTR_VALUE, 'd'],
[lex.TokenType.ATTR_QUOTE, '\''],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse over escaped new line in tag definitions', () => {
const text = '<t\\n></t>';
expect(tokenizeAndHumanizeParts(text, {escapedString: true})).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TAG_CLOSE, '', 't'],
[lex.TokenType.EOF],
]);
});
it('should parse over escaped characters in tag definitions', () => {
const text = '<t\u{000013}></t>';
expect(tokenizeAndHumanizeParts(text, {escapedString: true})).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TAG_CLOSE, '', 't'],
[lex.TokenType.EOF],
]);
});
it('should unescape characters in tag names', () => {
const text = '<t\\x64></t\\x64>';
expect(tokenizeAndHumanizeParts(text, {escapedString: true})).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 'td'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TAG_CLOSE, '', 'td'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeSourceSpans(text, {escapedString: true})).toEqual([
[lex.TokenType.TAG_OPEN_START, '<t\\x64'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.TAG_CLOSE, '</t\\x64>'],
[lex.TokenType.EOF, ''],
]);
});
it('should unescape characters in attributes', () => {
const text = '<t \\x64="\\x65"></t>';
expect(tokenizeAndHumanizeParts(text, {escapedString: true})).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'd'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.ATTR_VALUE, 'e'],
[lex.TokenType.ATTR_QUOTE, '"'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TAG_CLOSE, '', 't'],
[lex.TokenType.EOF],
]);
});
it('should parse over escaped new line in attribute values', () => {
const text = '<t a=b\\n></t>';
expect(tokenizeAndHumanizeParts(text, {escapedString: true})).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'],
[lex.TokenType.ATTR_NAME, '', 'a'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TAG_CLOSE, '', 't'],
[lex.TokenType.EOF],
]);
});
it('should tokenize the correct span when there are escape sequences', () => {
const text =
'selector: "app-root",\ntemplate: "line 1\\n\\"line 2\\"\\nline 3",\ninputs: []';
const range = {
startPos: 33,
startLine: 1,
startCol: 10,
endPos: 59,
};
expect(tokenizeAndHumanizeParts(text, {range, escapedString: true})).toEqual([
[lex.TokenType.TEXT, 'line 1\n"line 2"\nline 3'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeSourceSpans(text, {range, escapedString: true})).toEqual([
[lex.TokenType.TEXT, 'line 1\\n\\"line 2\\"\\nline 3'],
[lex.TokenType.EOF, ''],
]);
});
it('should account for escape sequences when computing source spans ', () => {
const text = '<t>line 1</t>\n' + // <- unescaped line break
'<t>line 2</t>\\n' + // <- escaped line break
'<t>line 3\\\n' + // <- line continuation
'</t>';
expect(tokenizeAndHumanizeParts(text, {escapedString: true})).toEqual([
[lex.TokenType.TAG_OPEN_START, '', 't'], [lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, 'line 1'], [lex.TokenType.TAG_CLOSE, '', 't'],
[lex.TokenType.TEXT, '\n'],
[lex.TokenType.TAG_OPEN_START, '', 't'], [lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, 'line 2'], [lex.TokenType.TAG_CLOSE, '', 't'],
[lex.TokenType.TEXT, '\n'],
[lex.TokenType.TAG_OPEN_START, '', 't'], [lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, 'line 3'], // <- line continuation does not appear in token
[lex.TokenType.TAG_CLOSE, '', 't'],
[lex.TokenType.EOF]
]);
expect(tokenizeAndHumanizeLineColumn(text, {escapedString: true})).toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '0:2'],
[lex.TokenType.TEXT, '0:3'],
[lex.TokenType.TAG_CLOSE, '0:9'],
[lex.TokenType.TEXT, '0:13'], // <- real newline increments the row
[lex.TokenType.TAG_OPEN_START, '1:0'],
[lex.TokenType.TAG_OPEN_END, '1:2'],
[lex.TokenType.TEXT, '1:3'],
[lex.TokenType.TAG_CLOSE, '1:9'],
[lex.TokenType.TEXT, '1:13'], // <- escaped newline does not increment the row
[lex.TokenType.TAG_OPEN_START, '1:15'],
[lex.TokenType.TAG_OPEN_END, '1:17'],
[lex.TokenType.TEXT, '1:18'], // <- the line continuation increments the row
[lex.TokenType.TAG_CLOSE, '2:0'],
[lex.TokenType.EOF, '2:4'],
]);
expect(tokenizeAndHumanizeSourceSpans(text, {escapedString: true})).toEqual([
[lex.TokenType.TAG_OPEN_START, '<t'], [lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.TEXT, 'line 1'], [lex.TokenType.TAG_CLOSE, '</t>'],
[lex.TokenType.TEXT, '\n'],
[lex.TokenType.TAG_OPEN_START, '<t'], [lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.TEXT, 'line 2'], [lex.TokenType.TAG_CLOSE, '</t>'],
[lex.TokenType.TEXT, '\\n'],
[lex.TokenType.TAG_OPEN_START, '<t'], [lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.TEXT, 'line 3\\\n'], [lex.TokenType.TAG_CLOSE, '</t>'],
[lex.TokenType.EOF, '']
]);
});
});
});
}
function tokenizeWithoutErrors(input: string, options?: lex.TokenizeOptions): lex.Token[] {
const tokenizeResult = lex.tokenize(input, 'someUrl', getHtmlTagDefinition, options);
if (tokenizeResult.errors.length > 0) {
const errorString = tokenizeResult.errors.join('\n');
throw new Error(`Unexpected parse errors:\n${errorString}`);
}
return tokenizeResult.tokens;
}
function tokenizeAndHumanizeParts(input: string, options?: lex.TokenizeOptions): any[] {
return tokenizeWithoutErrors(input, options).map(token => [<any>token.type].concat(token.parts));
}
function tokenizeAndHumanizeSourceSpans(input: string, options?: lex.TokenizeOptions): any[] {
return tokenizeWithoutErrors(input, options)
.map(token => [<any>token.type, token.sourceSpan.toString()]);
}
function humanizeLineColumn(location: ParseLocation): string {
return `${location.line}:${location.col}`;
}
function tokenizeAndHumanizeLineColumn(input: string, options?: lex.TokenizeOptions): any[] {
return tokenizeWithoutErrors(input, options)
.map(token => [<any>token.type, humanizeLineColumn(token.sourceSpan.start)]);
}
function tokenizeAndHumanizeErrors(input: string, options?: lex.TokenizeOptions): any[] {
return lex.tokenize(input, 'someUrl', getHtmlTagDefinition, options)
.errors.map(e => [<any>e.tokenType, e.msg, humanizeLineColumn(e.span.start)]);
}