vue3-yuanma/packages/compiler-core/__tests__/parse.spec.ts
2019-09-28 14:05:10 -04:00

2517 lines
68 KiB
TypeScript
Raw Blame History

import { parse, ParserOptions, TextModes } from '../src/parse'
import { ErrorCodes } from '../src/errors'
import {
CommentNode,
ElementNode,
ElementTypes,
Namespaces,
NodeTypes,
Position,
TextNode,
AttributeNode,
InterpolationNode
} from '../src/ast'
describe('compiler: parse', () => {
describe('Text', () => {
test('simple text', () => {
const ast = parse('some text')
const text = ast.children[0] as TextNode
expect(text).toStrictEqual({
type: NodeTypes.TEXT,
content: 'some text',
isEmpty: false,
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 9, line: 1, column: 10 },
source: 'some text'
}
})
})
test('simple text with invalid end tag', () => {
const ast = parse('some text</div>', {
onError: () => {}
})
const text = ast.children[0] as TextNode
expect(text).toStrictEqual({
type: NodeTypes.TEXT,
content: 'some text',
isEmpty: false,
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 9, line: 1, column: 10 },
source: 'some text'
}
})
})
test('text with interpolation', () => {
const ast = parse('some {{ foo + bar }} text')
const text1 = ast.children[0] as TextNode
const text2 = ast.children[2] as TextNode
expect(text1).toStrictEqual({
type: NodeTypes.TEXT,
content: 'some ',
isEmpty: false,
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 5, line: 1, column: 6 },
source: 'some '
}
})
expect(text2).toStrictEqual({
type: NodeTypes.TEXT,
content: ' text',
isEmpty: false,
loc: {
start: { offset: 20, line: 1, column: 21 },
end: { offset: 25, line: 1, column: 26 },
source: ' text'
}
})
})
test('text with interpolation which has `<`', () => {
const ast = parse('some {{ a<b && c>d }} text')
const text1 = ast.children[0] as TextNode
const text2 = ast.children[2] as TextNode
expect(text1).toStrictEqual({
type: NodeTypes.TEXT,
content: 'some ',
isEmpty: false,
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 5, line: 1, column: 6 },
source: 'some '
}
})
expect(text2).toStrictEqual({
type: NodeTypes.TEXT,
content: ' text',
isEmpty: false,
loc: {
start: { offset: 21, line: 1, column: 22 },
end: { offset: 26, line: 1, column: 27 },
source: ' text'
}
})
})
test('text with mix of tags and interpolations', () => {
const ast = parse('some <span>{{ foo < bar + foo }} text</span>')
const text1 = ast.children[0] as TextNode
const text2 = (ast.children[1] as ElementNode).children![1] as TextNode
expect(text1).toStrictEqual({
type: NodeTypes.TEXT,
content: 'some ',
isEmpty: false,
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 5, line: 1, column: 6 },
source: 'some '
}
})
expect(text2).toStrictEqual({
type: NodeTypes.TEXT,
content: ' text',
isEmpty: false,
loc: {
start: { offset: 32, line: 1, column: 33 },
end: { offset: 37, line: 1, column: 38 },
source: ' text'
}
})
})
test('lonly "<" don\'t separate nodes', () => {
const ast = parse('a < b', {
onError: err => {
if (err.code !== ErrorCodes.INVALID_FIRST_CHARACTER_OF_TAG_NAME) {
throw err
}
}
})
const text = ast.children[0] as TextNode
expect(text).toStrictEqual({
type: NodeTypes.TEXT,
content: 'a < b',
isEmpty: false,
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 5, line: 1, column: 6 },
source: 'a < b'
}
})
})
test('lonly "{{" don\'t separate nodes', () => {
const ast = parse('a {{ b', {
onError: error => {
if (error.code !== ErrorCodes.X_MISSING_INTERPOLATION_END) {
throw error
}
}
})
const text = ast.children[0] as TextNode
expect(text).toStrictEqual({
type: NodeTypes.TEXT,
content: 'a {{ b',
isEmpty: false,
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 6, line: 1, column: 7 },
source: 'a {{ b'
}
})
})
test('HTML entities compatibility in text (https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state).', () => {
const spy = jest.fn()
const ast = parse('&ampersand;', {
namedCharacterReferences: { amp: '&' },
onError: spy
})
const text = ast.children[0] as TextNode
expect(text).toStrictEqual({
type: NodeTypes.TEXT,
content: '&ersand;',
isEmpty: false,
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 11, line: 1, column: 12 },
source: '&ampersand;'
}
})
expect(spy.mock.calls).toMatchObject([
[
{
code: ErrorCodes.MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE,
loc: {
start: { offset: 4, line: 1, column: 5 }
}
}
]
])
})
test('HTML entities compatibility in attribute (https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state).', () => {
const spy = jest.fn()
const ast = parse(
'<div a="&ampersand;" b="&amp;ersand;" c="&amp!"></div>',
{
namedCharacterReferences: { amp: '&', 'amp;': '&' },
onError: spy
}
)
const element = ast.children[0] as ElementNode
const text1 = (element.props[0] as AttributeNode).value
const text2 = (element.props[1] as AttributeNode).value
const text3 = (element.props[2] as AttributeNode).value
expect(text1).toStrictEqual({
type: NodeTypes.TEXT,
content: '&ampersand;',
isEmpty: false,
loc: {
start: { offset: 7, line: 1, column: 8 },
end: { offset: 20, line: 1, column: 21 },
source: '"&ampersand;"'
}
})
expect(text2).toStrictEqual({
type: NodeTypes.TEXT,
content: '&ersand;',
isEmpty: false,
loc: {
start: { offset: 23, line: 1, column: 24 },
end: { offset: 37, line: 1, column: 38 },
source: '"&amp;ersand;"'
}
})
expect(text3).toStrictEqual({
type: NodeTypes.TEXT,
content: '&!',
isEmpty: false,
loc: {
start: { offset: 40, line: 1, column: 41 },
end: { offset: 47, line: 1, column: 48 },
source: '"&amp!"'
}
})
expect(spy.mock.calls).toMatchObject([
[
{
code: ErrorCodes.MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE,
loc: {
start: { offset: 45, line: 1, column: 46 }
}
}
]
])
})
test('Some control character reference should be replaced.', () => {
const spy = jest.fn()
const ast = parse('&#x86;', { onError: spy })
const text = ast.children[0] as TextNode
expect(text).toStrictEqual({
type: NodeTypes.TEXT,
content: '†',
isEmpty: false,
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 6, line: 1, column: 7 },
source: '&#x86;'
}
})
expect(spy.mock.calls).toMatchObject([
[
{
code: ErrorCodes.CONTROL_CHARACTER_REFERENCE,
loc: {
start: { offset: 0, line: 1, column: 1 }
}
}
]
])
})
})
describe('Interpolation', () => {
test('simple interpolation', () => {
const ast = parse('{{message}}')
const interpolation = ast.children[0] as InterpolationNode
expect(interpolation).toStrictEqual({
type: NodeTypes.INTERPOLATION,
content: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: `message`,
isStatic: false,
loc: {
start: { offset: 2, line: 1, column: 3 },
end: { offset: 9, line: 1, column: 10 },
source: `message`
}
},
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 11, line: 1, column: 12 },
source: '{{message}}'
}
})
})
test('it can have tag-like notation', () => {
const ast = parse('{{ a<b }}')
const interpolation = ast.children[0] as InterpolationNode
expect(interpolation).toStrictEqual({
type: NodeTypes.INTERPOLATION,
content: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: `a<b`,
isStatic: false,
loc: {
start: { offset: 3, line: 1, column: 4 },
end: { offset: 6, line: 1, column: 7 },
source: 'a<b'
}
},
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 9, line: 1, column: 10 },
source: '{{ a<b }}'
}
})
})
test('it can have tag-like notation (2)', () => {
const ast = parse('{{ a<b }}{{ c>d }}')
const interpolation1 = ast.children[0] as InterpolationNode
const interpolation2 = ast.children[1] as InterpolationNode
expect(interpolation1).toStrictEqual({
type: NodeTypes.INTERPOLATION,
content: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: `a<b`,
isStatic: false,
loc: {
start: { offset: 3, line: 1, column: 4 },
end: { offset: 6, line: 1, column: 7 },
source: 'a<b'
}
},
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 9, line: 1, column: 10 },
source: '{{ a<b }}'
}
})
expect(interpolation2).toStrictEqual({
type: NodeTypes.INTERPOLATION,
content: {
type: NodeTypes.SIMPLE_EXPRESSION,
isStatic: false,
content: 'c>d',
loc: {
start: { offset: 12, line: 1, column: 13 },
end: { offset: 15, line: 1, column: 16 },
source: 'c>d'
}
},
loc: {
start: { offset: 9, line: 1, column: 10 },
end: { offset: 18, line: 1, column: 19 },
source: '{{ c>d }}'
}
})
})
test('it can have tag-like notation (3)', () => {
const ast = parse('<div>{{ "</div>" }}</div>')
const element = ast.children[0] as ElementNode
const interpolation = element.children[0] as InterpolationNode
expect(interpolation).toStrictEqual({
type: NodeTypes.INTERPOLATION,
content: {
type: NodeTypes.SIMPLE_EXPRESSION,
isStatic: false,
content: '"</div>"',
loc: {
start: { offset: 8, line: 1, column: 9 },
end: { offset: 16, line: 1, column: 17 },
source: '"</div>"'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 19, line: 1, column: 20 },
source: '{{ "</div>" }}'
}
})
})
})
describe('Comment', () => {
test('empty comment', () => {
const ast = parse('<!---->')
const comment = ast.children[0] as CommentNode
expect(comment).toStrictEqual({
type: NodeTypes.COMMENT,
content: '',
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 7, line: 1, column: 8 },
source: '<!---->'
}
})
})
test('simple comment', () => {
const ast = parse('<!--abc-->')
const comment = ast.children[0] as CommentNode
expect(comment).toStrictEqual({
type: NodeTypes.COMMENT,
content: 'abc',
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 10, line: 1, column: 11 },
source: '<!--abc-->'
}
})
})
test('two comments', () => {
const ast = parse('<!--abc--><!--def-->')
const comment1 = ast.children[0] as CommentNode
const comment2 = ast.children[1] as CommentNode
expect(comment1).toStrictEqual({
type: NodeTypes.COMMENT,
content: 'abc',
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 10, line: 1, column: 11 },
source: '<!--abc-->'
}
})
expect(comment2).toStrictEqual({
type: NodeTypes.COMMENT,
content: 'def',
loc: {
start: { offset: 10, line: 1, column: 11 },
end: { offset: 20, line: 1, column: 21 },
source: '<!--def-->'
}
})
})
})
describe('Element', () => {
test('simple div', () => {
const ast = parse('<div>hello</div>')
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [],
isSelfClosing: false,
children: [
{
type: NodeTypes.TEXT,
content: 'hello',
isEmpty: false,
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 10, line: 1, column: 11 },
source: 'hello'
}
}
],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 16, line: 1, column: 17 },
source: '<div>hello</div>'
}
})
})
test('empty', () => {
const ast = parse('<div></div>')
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [],
isSelfClosing: false,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 11, line: 1, column: 12 },
source: '<div></div>'
}
})
})
test('self closing', () => {
const ast = parse('<div/>after')
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [],
isSelfClosing: true,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 6, line: 1, column: 7 },
source: '<div/>'
}
})
})
test('void element', () => {
const ast = parse('<img>after', {
isVoidTag: tag => tag === 'img'
})
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'img',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [],
isSelfClosing: false,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 5, line: 1, column: 6 },
source: '<img>'
}
})
})
test('attribute with no value', () => {
const ast = parse('<div id></div>')
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [
{
type: NodeTypes.ATTRIBUTE,
name: 'id',
value: undefined,
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 7, line: 1, column: 8 },
source: 'id'
}
}
],
isSelfClosing: false,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 14, line: 1, column: 15 },
source: '<div id></div>'
}
})
})
test('attribute with empty value, double quote', () => {
const ast = parse('<div id=""></div>')
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [
{
type: NodeTypes.ATTRIBUTE,
name: 'id',
value: {
type: NodeTypes.TEXT,
content: '',
isEmpty: true,
loc: {
start: { offset: 8, line: 1, column: 9 },
end: { offset: 10, line: 1, column: 11 },
source: '""'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 10, line: 1, column: 11 },
source: 'id=""'
}
}
],
isSelfClosing: false,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 17, line: 1, column: 18 },
source: '<div id=""></div>'
}
})
})
test('attribute with empty value, single quote', () => {
const ast = parse("<div id=''></div>")
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [
{
type: NodeTypes.ATTRIBUTE,
name: 'id',
value: {
type: NodeTypes.TEXT,
content: '',
isEmpty: true,
loc: {
start: { offset: 8, line: 1, column: 9 },
end: { offset: 10, line: 1, column: 11 },
source: "''"
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 10, line: 1, column: 11 },
source: "id=''"
}
}
],
isSelfClosing: false,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 17, line: 1, column: 18 },
source: "<div id=''></div>"
}
})
})
test('attribute with value, double quote', () => {
const ast = parse('<div id=">\'"></div>')
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [
{
type: NodeTypes.ATTRIBUTE,
name: 'id',
value: {
type: NodeTypes.TEXT,
content: ">'",
isEmpty: false,
loc: {
start: { offset: 8, line: 1, column: 9 },
end: { offset: 12, line: 1, column: 13 },
source: '">\'"'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 12, line: 1, column: 13 },
source: 'id=">\'"'
}
}
],
isSelfClosing: false,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 19, line: 1, column: 20 },
source: '<div id=">\'"></div>'
}
})
})
test('attribute with value, single quote', () => {
const ast = parse("<div id='>\"'></div>")
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [
{
type: NodeTypes.ATTRIBUTE,
name: 'id',
value: {
type: NodeTypes.TEXT,
content: '>"',
isEmpty: false,
loc: {
start: { offset: 8, line: 1, column: 9 },
end: { offset: 12, line: 1, column: 13 },
source: "'>\"'"
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 12, line: 1, column: 13 },
source: "id='>\"'"
}
}
],
isSelfClosing: false,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 19, line: 1, column: 20 },
source: "<div id='>\"'></div>"
}
})
})
test('attribute with value, unquoted', () => {
const ast = parse('<div id=a/></div>')
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [
{
type: NodeTypes.ATTRIBUTE,
name: 'id',
value: {
type: NodeTypes.TEXT,
content: 'a/',
isEmpty: false,
loc: {
start: { offset: 8, line: 1, column: 9 },
end: { offset: 10, line: 1, column: 11 },
source: 'a/'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 10, line: 1, column: 11 },
source: 'id=a/'
}
}
],
isSelfClosing: false,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 17, line: 1, column: 18 },
source: '<div id=a/></div>'
}
})
})
test('multiple attributes', () => {
const ast = parse('<div id=a class="c" inert style=\'\'></div>')
const element = ast.children[0] as ElementNode
expect(element).toStrictEqual({
type: NodeTypes.ELEMENT,
ns: Namespaces.HTML,
tag: 'div',
tagType: ElementTypes.ELEMENT,
codegenNode: undefined,
props: [
{
type: NodeTypes.ATTRIBUTE,
name: 'id',
value: {
type: NodeTypes.TEXT,
content: 'a',
isEmpty: false,
loc: {
start: { offset: 8, line: 1, column: 9 },
end: { offset: 9, line: 1, column: 10 },
source: 'a'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 9, line: 1, column: 10 },
source: 'id=a'
}
},
{
type: NodeTypes.ATTRIBUTE,
name: 'class',
value: {
type: NodeTypes.TEXT,
content: 'c',
isEmpty: false,
loc: {
start: { offset: 16, line: 1, column: 17 },
end: { offset: 19, line: 1, column: 20 },
source: '"c"'
}
},
loc: {
start: { offset: 10, line: 1, column: 11 },
end: { offset: 19, line: 1, column: 20 },
source: 'class="c"'
}
},
{
type: NodeTypes.ATTRIBUTE,
name: 'inert',
value: undefined,
loc: {
start: { offset: 20, line: 1, column: 21 },
end: { offset: 25, line: 1, column: 26 },
source: 'inert'
}
},
{
type: NodeTypes.ATTRIBUTE,
name: 'style',
value: {
type: NodeTypes.TEXT,
content: '',
isEmpty: true,
loc: {
start: { offset: 32, line: 1, column: 33 },
end: { offset: 34, line: 1, column: 35 },
source: "''"
}
},
loc: {
start: { offset: 26, line: 1, column: 27 },
end: { offset: 34, line: 1, column: 35 },
source: "style=''"
}
}
],
isSelfClosing: false,
children: [],
loc: {
start: { offset: 0, line: 1, column: 1 },
end: { offset: 41, line: 1, column: 42 },
source: '<div id=a class="c" inert style=\'\'></div>'
}
})
})
test('directive with no value', () => {
const ast = parse('<div v-if/>')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'if',
arg: undefined,
modifiers: [],
exp: undefined,
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 9, line: 1, column: 10 },
source: 'v-if'
}
})
})
test('directive with value', () => {
const ast = parse('<div v-if="a"/>')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'if',
arg: undefined,
modifiers: [],
exp: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'a',
isStatic: false,
loc: {
start: { offset: 11, line: 1, column: 12 },
end: { offset: 12, line: 1, column: 13 },
source: 'a'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 13, line: 1, column: 14 },
source: 'v-if="a"'
}
})
})
test('directive with argument', () => {
const ast = parse('<div v-on:click/>')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'on',
arg: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'click',
isStatic: true,
loc: {
source: 'click',
start: {
column: 11,
line: 1,
offset: 10
},
end: {
column: 16,
line: 1,
offset: 15
}
}
},
modifiers: [],
exp: undefined,
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 15, line: 1, column: 16 },
source: 'v-on:click'
}
})
})
test('directive with a modifier', () => {
const ast = parse('<div v-on.enter/>')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'on',
arg: undefined,
modifiers: ['enter'],
exp: undefined,
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 15, line: 1, column: 16 },
source: 'v-on.enter'
}
})
})
test('directive with two modifiers', () => {
const ast = parse('<div v-on.enter.exact/>')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'on',
arg: undefined,
modifiers: ['enter', 'exact'],
exp: undefined,
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 21, line: 1, column: 22 },
source: 'v-on.enter.exact'
}
})
})
test('directive with argument and modifiers', () => {
const ast = parse('<div v-on:click.enter.exact/>')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'on',
arg: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'click',
isStatic: true,
loc: {
source: 'click',
start: {
column: 11,
line: 1,
offset: 10
},
end: {
column: 16,
line: 1,
offset: 15
}
}
},
modifiers: ['enter', 'exact'],
exp: undefined,
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 27, line: 1, column: 28 },
source: 'v-on:click.enter.exact'
}
})
})
test('v-bind shorthand', () => {
const ast = parse('<div :a=b />')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'bind',
arg: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'a',
isStatic: true,
loc: {
source: 'a',
start: {
column: 7,
line: 1,
offset: 6
},
end: {
column: 8,
line: 1,
offset: 7
}
}
},
modifiers: [],
exp: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'b',
isStatic: false,
loc: {
start: { offset: 8, line: 1, column: 9 },
end: { offset: 9, line: 1, column: 10 },
source: 'b'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 9, line: 1, column: 10 },
source: ':a=b'
}
})
})
test('v-bind shorthand with modifier', () => {
const ast = parse('<div :a.sync=b />')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'bind',
arg: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'a',
isStatic: true,
loc: {
source: 'a',
start: {
column: 7,
line: 1,
offset: 6
},
end: {
column: 8,
line: 1,
offset: 7
}
}
},
modifiers: ['sync'],
exp: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'b',
isStatic: false,
loc: {
start: { offset: 13, line: 1, column: 14 },
end: { offset: 14, line: 1, column: 15 },
source: 'b'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 14, line: 1, column: 15 },
source: ':a.sync=b'
}
})
})
test('v-on shorthand', () => {
const ast = parse('<div @a=b />')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'on',
arg: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'a',
isStatic: true,
loc: {
source: 'a',
start: {
column: 7,
line: 1,
offset: 6
},
end: {
column: 8,
line: 1,
offset: 7
}
}
},
modifiers: [],
exp: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'b',
isStatic: false,
loc: {
start: { offset: 8, line: 1, column: 9 },
end: { offset: 9, line: 1, column: 10 },
source: 'b'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 9, line: 1, column: 10 },
source: '@a=b'
}
})
})
test('v-on shorthand with modifier', () => {
const ast = parse('<div @a.enter=b />')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'on',
arg: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'a',
isStatic: true,
loc: {
source: 'a',
start: {
column: 7,
line: 1,
offset: 6
},
end: {
column: 8,
line: 1,
offset: 7
}
}
},
modifiers: ['enter'],
exp: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'b',
isStatic: false,
loc: {
start: { offset: 14, line: 1, column: 15 },
end: { offset: 15, line: 1, column: 16 },
source: 'b'
}
},
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 15, line: 1, column: 16 },
source: '@a.enter=b'
}
})
})
test('v-slot shorthand', () => {
const ast = parse('<Comp #a="{ b }" />')
const directive = (ast.children[0] as ElementNode).props[0]
expect(directive).toStrictEqual({
type: NodeTypes.DIRECTIVE,
name: 'slot',
arg: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: 'a',
isStatic: true,
loc: {
source: 'a',
start: {
column: 8,
line: 1,
offset: 7
},
end: {
column: 9,
line: 1,
offset: 8
}
}
},
modifiers: [],
exp: {
type: NodeTypes.SIMPLE_EXPRESSION,
content: '{ b }',
isStatic: false,
loc: {
start: { offset: 10, line: 1, column: 11 },
end: { offset: 15, line: 1, column: 16 },
source: '{ b }'
}
},
loc: {
start: { offset: 6, line: 1, column: 7 },
end: { offset: 16, line: 1, column: 17 },
source: '#a="{ b }"'
}
})
})
test('end tags are case-insensitive.', () => {
const ast = parse('<div>hello</DIV>after')
const element = ast.children[0] as ElementNode
const text = element.children[0] as TextNode
expect(text).toStrictEqual({
type: NodeTypes.TEXT,
content: 'hello',
isEmpty: false,
loc: {
start: { offset: 5, line: 1, column: 6 },
end: { offset: 10, line: 1, column: 11 },
source: 'hello'
}
})
})
})
test('self closing single tag', () => {
const ast = parse('<div :class="{ some: condition }" />')
expect(ast.children).toHaveLength(1)
expect(ast.children[0]).toMatchObject({ tag: 'div' })
})
test('self closing multiple tag', () => {
const ast = parse(
`<div :class="{ some: condition }" />\n` +
`<p v-bind:style="{ color: 'red' }"/>`
)
expect(ast).toMatchSnapshot()
expect(ast.children).toHaveLength(2)
expect(ast.children[0]).toMatchObject({ tag: 'div' })
expect(ast.children[1]).toMatchObject({ tag: 'p' })
})
test('valid html', () => {
const ast = parse(
`<div :class="{ some: condition }">\n` +
` <p v-bind:style="{ color: 'red' }"/>\n` +
` <!-- a comment with <html> inside it -->\n` +
`</div>`
)
expect(ast).toMatchSnapshot()
expect(ast.children).toHaveLength(1)
const el = ast.children[0] as any
expect(el).toMatchObject({
tag: 'div'
})
expect(el.children).toHaveLength(2)
expect(el.children[0]).toMatchObject({
tag: 'p'
})
expect(el.children[1]).toMatchObject({
type: NodeTypes.COMMENT
})
})
test('invalid html', () => {
expect(() => {
parse(`<div>\n<span>\n</div>\n</span>`)
}).toThrow('End tag was not found. (3:1)')
const spy = jest.fn()
const ast = parse(`<div>\n<span>\n</div>\n</span>`, {
onError: spy
})
expect(spy.mock.calls).toMatchObject([
[
{
code: ErrorCodes.X_MISSING_END_TAG,
loc: {
start: {
offset: 13,
line: 3,
column: 1
}
}
}
],
[
{
code: ErrorCodes.X_INVALID_END_TAG,
loc: {
start: {
offset: 20,
line: 4,
column: 1
}
}
}
]
])
expect(ast).toMatchSnapshot()
})
test('parse with correct location info', () => {
const [foo, bar, but, baz] = parse(
`
foo
is {{ bar }} but {{ baz }}`.trim()
).children
let offset = 0
expect(foo.loc.start).toEqual({ line: 1, column: 1, offset })
offset += foo.loc.source.length
expect(foo.loc.end).toEqual({ line: 2, column: 5, offset })
expect(bar.loc.start).toEqual({ line: 2, column: 5, offset })
const barInner = (bar as InterpolationNode).content
offset += 3
expect(barInner.loc.start).toEqual({ line: 2, column: 8, offset })
offset += barInner.loc.source.length
expect(barInner.loc.end).toEqual({ line: 2, column: 11, offset })
offset += 3
expect(bar.loc.end).toEqual({ line: 2, column: 14, offset })
expect(but.loc.start).toEqual({ line: 2, column: 14, offset })
offset += but.loc.source.length
expect(but.loc.end).toEqual({ line: 2, column: 19, offset })
expect(baz.loc.start).toEqual({ line: 2, column: 19, offset })
const bazInner = (baz as InterpolationNode).content
offset += 3
expect(bazInner.loc.start).toEqual({ line: 2, column: 22, offset })
offset += bazInner.loc.source.length
expect(bazInner.loc.end).toEqual({ line: 2, column: 25, offset })
offset += 3
expect(baz.loc.end).toEqual({ line: 2, column: 28, offset })
})
describe('namedCharacterReferences option', () => {
test('use the given map', () => {
const ast: any = parse('&amp;&cups;', {
namedCharacterReferences: {
'cups;': '\u222A\uFE00' // UNION with serifs
},
onError: () => {} // Ignore errors
})
expect(ast.children.length).toBe(1)
expect(ast.children[0].type).toBe(NodeTypes.TEXT)
expect(ast.children[0].content).toBe('&amp;\u222A\uFE00')
})
})
describe('Errors', () => {
const patterns: {
[key: string]: Array<{
code: string
errors: Array<{ type: ErrorCodes; loc: Position }>
options?: Partial<ParserOptions>
}>
} = {
ABRUPT_CLOSING_OF_EMPTY_COMMENT: [
{
code: '<template><!--></template>',
errors: [
{
type: ErrorCodes.ABRUPT_CLOSING_OF_EMPTY_COMMENT,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template><!---></template>',
errors: [
{
type: ErrorCodes.ABRUPT_CLOSING_OF_EMPTY_COMMENT,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template><!----></template>',
errors: []
}
],
ABSENCE_OF_DIGITS_IN_NUMERIC_CHARACTER_REFERENCE: [
{
code: '<template>&#a;</template>',
errors: [
{
type: ErrorCodes.ABSENCE_OF_DIGITS_IN_NUMERIC_CHARACTER_REFERENCE,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template>&#xg;</template>',
errors: [
{
type: ErrorCodes.ABSENCE_OF_DIGITS_IN_NUMERIC_CHARACTER_REFERENCE,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template>&#99;</template>',
errors: []
},
{
code: '<template>&#xff;</template>',
errors: []
},
{
code: '<template attr="&#a;"></template>',
errors: [
{
type: ErrorCodes.ABSENCE_OF_DIGITS_IN_NUMERIC_CHARACTER_REFERENCE,
loc: { offset: 16, line: 1, column: 17 }
}
]
},
{
code: '<template attr="&#xg;"></template>',
errors: [
{
type: ErrorCodes.ABSENCE_OF_DIGITS_IN_NUMERIC_CHARACTER_REFERENCE,
loc: { offset: 16, line: 1, column: 17 }
}
]
},
{
code: '<template attr="&#99;"></template>',
errors: []
},
{
code: '<template attr="&#xff;"></template>',
errors: []
}
],
CDATA_IN_HTML_CONTENT: [
{
code: '<template><![CDATA[cdata]]></template>',
errors: [
{
type: ErrorCodes.CDATA_IN_HTML_CONTENT,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template><svg><![CDATA[cdata]]></svg></template>',
errors: []
}
],
CHARACTER_REFERENCE_OUTSIDE_UNICODE_RANGE: [
{
code: '<template>&#1234567;</template>',
errors: [
{
type: ErrorCodes.CHARACTER_REFERENCE_OUTSIDE_UNICODE_RANGE,
loc: { offset: 10, line: 1, column: 11 }
}
]
}
],
CONTROL_CHARACTER_REFERENCE: [
{
code: '<template>&#0003;</template>',
errors: [
{
type: ErrorCodes.CONTROL_CHARACTER_REFERENCE,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template>&#x7F;</template>',
errors: [
{
type: ErrorCodes.CONTROL_CHARACTER_REFERENCE,
loc: { offset: 10, line: 1, column: 11 }
}
]
}
],
DUPLICATE_ATTRIBUTE: [
{
code: '<template><div id="" id=""></div></template>',
errors: [
{
type: ErrorCodes.DUPLICATE_ATTRIBUTE,
loc: { offset: 21, line: 1, column: 22 }
}
]
}
],
END_TAG_WITH_ATTRIBUTES: [
{
code: '<template><div></div id=""></template>',
errors: [
{
type: ErrorCodes.END_TAG_WITH_ATTRIBUTES,
loc: { offset: 21, line: 1, column: 22 }
}
]
}
],
END_TAG_WITH_TRAILING_SOLIDUS: [
{
code: '<template><div></div/></template>',
errors: [
{
type: ErrorCodes.END_TAG_WITH_TRAILING_SOLIDUS,
loc: { offset: 20, line: 1, column: 21 }
}
]
}
],
EOF_BEFORE_TAG_NAME: [
{
code: '<template><',
errors: [
{
type: ErrorCodes.EOF_BEFORE_TAG_NAME,
loc: { offset: 11, line: 1, column: 12 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 11, line: 1, column: 12 }
}
]
},
{
code: '<template></',
errors: [
{
type: ErrorCodes.EOF_BEFORE_TAG_NAME,
loc: { offset: 12, line: 1, column: 13 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 12, line: 1, column: 13 }
}
]
}
],
EOF_IN_CDATA: [
{
code: '<template><svg><![CDATA[cdata',
errors: [
{
type: ErrorCodes.EOF_IN_CDATA,
loc: { offset: 29, line: 1, column: 30 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 29, line: 1, column: 30 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 29, line: 1, column: 30 }
}
]
},
{
code: '<template><svg><![CDATA[',
errors: [
{
type: ErrorCodes.EOF_IN_CDATA,
loc: { offset: 24, line: 1, column: 25 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 24, line: 1, column: 25 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 24, line: 1, column: 25 }
}
]
}
],
EOF_IN_COMMENT: [
{
code: '<template><!--comment',
errors: [
{
type: ErrorCodes.EOF_IN_COMMENT,
loc: { offset: 21, line: 1, column: 22 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 21, line: 1, column: 22 }
}
]
},
{
code: '<template><!--',
errors: [
{
type: ErrorCodes.EOF_IN_COMMENT,
loc: { offset: 14, line: 1, column: 15 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 14, line: 1, column: 15 }
}
]
},
// Bogus comments don't throw eof-in-comment error.
// https://html.spec.whatwg.org/multipage/parsing.html#bogus-comment-state
{
code: '<template><!',
errors: [
{
type: ErrorCodes.INCORRECTLY_OPENED_COMMENT,
loc: { offset: 10, line: 1, column: 11 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 12, line: 1, column: 13 }
}
]
},
{
code: '<template><!-',
errors: [
{
type: ErrorCodes.INCORRECTLY_OPENED_COMMENT,
loc: { offset: 10, line: 1, column: 11 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 13, line: 1, column: 14 }
}
]
},
{
code: '<template><!abc',
errors: [
{
type: ErrorCodes.INCORRECTLY_OPENED_COMMENT,
loc: { offset: 10, line: 1, column: 11 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 15, line: 1, column: 16 }
}
]
}
],
EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT: [
{
code: "<script><!--console.log('hello')",
errors: [
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 32, line: 1, column: 33 }
},
{
type: ErrorCodes.EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT,
loc: { offset: 32, line: 1, column: 33 }
}
]
},
{
code: "<script>console.log('hello')",
errors: [
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 28, line: 1, column: 29 }
}
]
}
],
EOF_IN_TAG: [
{
code: '<template><div',
errors: [
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 14, line: 1, column: 15 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 14, line: 1, column: 15 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 14, line: 1, column: 15 }
}
]
},
{
code: '<template><div ',
errors: [
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 15, line: 1, column: 16 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 15, line: 1, column: 16 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 15, line: 1, column: 16 }
}
]
},
{
code: '<template><div id',
errors: [
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 17, line: 1, column: 18 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 17, line: 1, column: 18 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 17, line: 1, column: 18 }
}
]
},
{
code: '<template><div id ',
errors: [
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 18, line: 1, column: 19 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 18, line: 1, column: 19 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 18, line: 1, column: 19 }
}
]
},
{
code: '<template><div id =',
errors: [
{
type: ErrorCodes.MISSING_ATTRIBUTE_VALUE,
loc: { offset: 19, line: 1, column: 20 }
},
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 19, line: 1, column: 20 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 19, line: 1, column: 20 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 19, line: 1, column: 20 }
}
]
},
{
code: "<template><div id='abc",
errors: [
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 22, line: 1, column: 23 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 22, line: 1, column: 23 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 22, line: 1, column: 23 }
}
]
},
{
code: '<template><div id="abc',
errors: [
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 22, line: 1, column: 23 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 22, line: 1, column: 23 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 22, line: 1, column: 23 }
}
]
},
{
code: "<template><div id='abc'",
errors: [
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 23, line: 1, column: 24 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 23, line: 1, column: 24 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 23, line: 1, column: 24 }
}
]
},
{
code: '<template><div id="abc"',
errors: [
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 23, line: 1, column: 24 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 23, line: 1, column: 24 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 23, line: 1, column: 24 }
}
]
},
{
code: '<template><div id=abc',
errors: [
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 21, line: 1, column: 22 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 21, line: 1, column: 22 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 21, line: 1, column: 22 }
}
]
},
{
code: "<template><div id='abc'/",
errors: [
{
type: ErrorCodes.UNEXPECTED_SOLIDUS_IN_TAG,
loc: { offset: 23, line: 1, column: 24 }
},
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 24, line: 1, column: 25 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 24, line: 1, column: 25 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 24, line: 1, column: 25 }
}
]
},
{
code: '<template><div id="abc"/',
errors: [
{
type: ErrorCodes.UNEXPECTED_SOLIDUS_IN_TAG,
loc: { offset: 23, line: 1, column: 24 }
},
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 24, line: 1, column: 25 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 24, line: 1, column: 25 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 24, line: 1, column: 25 }
}
]
},
{
code: '<template><div id=abc /',
errors: [
{
type: ErrorCodes.UNEXPECTED_SOLIDUS_IN_TAG,
loc: { offset: 22, line: 1, column: 23 }
},
{
type: ErrorCodes.EOF_IN_TAG,
loc: { offset: 23, line: 1, column: 24 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 23, line: 1, column: 24 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 23, line: 1, column: 24 }
}
]
}
],
INCORRECTLY_CLOSED_COMMENT: [
{
code: '<template><!--comment--!></template>',
errors: [
{
type: ErrorCodes.INCORRECTLY_CLOSED_COMMENT,
loc: { offset: 10, line: 1, column: 11 }
}
]
}
],
INCORRECTLY_OPENED_COMMENT: [
{
code: '<template><!></template>',
errors: [
{
type: ErrorCodes.INCORRECTLY_OPENED_COMMENT,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template><!-></template>',
errors: [
{
type: ErrorCodes.INCORRECTLY_OPENED_COMMENT,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template><!ELEMENT br EMPTY></template>',
errors: [
{
type: ErrorCodes.INCORRECTLY_OPENED_COMMENT,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
// Just ignore doctype.
{
code: '<!DOCTYPE html>',
errors: []
}
],
INVALID_FIRST_CHARACTER_OF_TAG_NAME: [
{
code: '<template>a < b</template>',
errors: [
{
type: ErrorCodes.INVALID_FIRST_CHARACTER_OF_TAG_NAME,
loc: { offset: 13, line: 1, column: 14 }
}
]
},
{
code: '<template><<3C>></template>',
errors: [
{
type: ErrorCodes.INVALID_FIRST_CHARACTER_OF_TAG_NAME,
loc: { offset: 11, line: 1, column: 12 }
}
]
},
{
code: '<template>a </ b</template>',
errors: [
{
type: ErrorCodes.INVALID_FIRST_CHARACTER_OF_TAG_NAME,
loc: { offset: 14, line: 1, column: 15 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 27, line: 1, column: 28 }
}
]
},
{
code: '<template></<2F>></template>',
errors: [
{
type: ErrorCodes.INVALID_FIRST_CHARACTER_OF_TAG_NAME,
loc: { offset: 12, line: 1, column: 13 }
}
]
},
// Don't throw invalid-first-character-of-tag-name in interpolation
{
code: '<template>{{a < b}}</template>',
errors: []
}
],
MISSING_ATTRIBUTE_VALUE: [
{
code: '<template><div id=></div></template>',
errors: [
{
type: ErrorCodes.MISSING_ATTRIBUTE_VALUE,
loc: { offset: 18, line: 1, column: 19 }
}
]
},
{
code: '<template><div id= ></div></template>',
errors: [
{
type: ErrorCodes.MISSING_ATTRIBUTE_VALUE,
loc: { offset: 19, line: 1, column: 20 }
}
]
},
{
code: '<template><div id= /></div></template>',
errors: []
}
],
MISSING_END_TAG_NAME: [
{
code: '<template></></template>',
errors: [
{
type: ErrorCodes.MISSING_END_TAG_NAME,
loc: { offset: 12, line: 1, column: 13 }
}
]
}
],
MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE: [
{
code: '<template>&amp</template>',
options: { namedCharacterReferences: { amp: '&' } },
errors: [
{
type: ErrorCodes.MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE,
loc: { offset: 14, line: 1, column: 15 }
}
]
},
{
code: '<template>&#40</template>',
errors: [
{
type: ErrorCodes.MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE,
loc: { offset: 14, line: 1, column: 15 }
}
]
},
{
code: '<template>&#x40</template>',
errors: [
{
type: ErrorCodes.MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE,
loc: { offset: 15, line: 1, column: 16 }
}
]
}
],
MISSING_WHITESPACE_BETWEEN_ATTRIBUTES: [
{
code: '<template><div id="foo"class="bar"></div></template>',
errors: [
{
type: ErrorCodes.MISSING_WHITESPACE_BETWEEN_ATTRIBUTES,
loc: { offset: 23, line: 1, column: 24 }
}
]
},
// CR doesn't appear in tokenization phase, but all CR are removed in preprocessing.
// https://html.spec.whatwg.org/multipage/parsing.html#preprocessing-the-input-stream
{
code: '<template><div id="foo"\r\nclass="bar"></div></template>',
errors: []
}
],
NESTED_COMMENT: [
{
code: '<template><!--a<!--b--></template>',
errors: [
{
type: ErrorCodes.NESTED_COMMENT,
loc: { offset: 15, line: 1, column: 16 }
}
]
},
{
code: '<template><!--a<!--b<!--c--></template>',
errors: [
{
type: ErrorCodes.NESTED_COMMENT,
loc: { offset: 15, line: 1, column: 16 }
},
{
type: ErrorCodes.NESTED_COMMENT,
loc: { offset: 20, line: 1, column: 21 }
}
]
},
{
code: '<template><!--a<!--></template>',
errors: []
},
{
code: '<template><!--a<!--',
errors: [
{
type: ErrorCodes.EOF_IN_COMMENT,
loc: { offset: 19, line: 1, column: 20 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 19, line: 1, column: 20 }
}
]
}
],
NONCHARACTER_CHARACTER_REFERENCE: [
{
code: '<template>&#xFFFE;</template>',
errors: [
{
type: ErrorCodes.NONCHARACTER_CHARACTER_REFERENCE,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template>&#x1FFFF;</template>',
errors: [
{
type: ErrorCodes.NONCHARACTER_CHARACTER_REFERENCE,
loc: { offset: 10, line: 1, column: 11 }
}
]
}
],
NULL_CHARACTER_REFERENCE: [
{
code: '<template>&#0000;</template>',
errors: [
{
type: ErrorCodes.NULL_CHARACTER_REFERENCE,
loc: { offset: 10, line: 1, column: 11 }
}
]
}
],
SURROGATE_CHARACTER_REFERENCE: [
{
code: '<template>&#xD800;</template>',
errors: [
{
type: ErrorCodes.SURROGATE_CHARACTER_REFERENCE,
loc: { offset: 10, line: 1, column: 11 }
}
]
}
],
UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME: [
{
code: "<template><div a\"bc=''></div></template>",
errors: [
{
type: ErrorCodes.UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME,
loc: { offset: 16, line: 1, column: 17 }
}
]
},
{
code: "<template><div a'bc=''></div></template>",
errors: [
{
type: ErrorCodes.UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME,
loc: { offset: 16, line: 1, column: 17 }
}
]
},
{
code: "<template><div a<bc=''></div></template>",
errors: [
{
type: ErrorCodes.UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME,
loc: { offset: 16, line: 1, column: 17 }
}
]
}
],
UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE: [
{
code: '<template><div foo=bar"></div></template>',
errors: [
{
type: ErrorCodes.UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE,
loc: { offset: 22, line: 1, column: 23 }
}
]
},
{
code: "<template><div foo=bar'></div></template>",
errors: [
{
type: ErrorCodes.UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE,
loc: { offset: 22, line: 1, column: 23 }
}
]
},
{
code: '<template><div foo=bar<div></div></template>',
errors: [
{
type: ErrorCodes.UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE,
loc: { offset: 22, line: 1, column: 23 }
}
]
},
{
code: '<template><div foo=bar=baz></div></template>',
errors: [
{
type: ErrorCodes.UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE,
loc: { offset: 22, line: 1, column: 23 }
}
]
},
{
code: '<template><div foo=bar`></div></template>',
errors: [
{
type: ErrorCodes.UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE,
loc: { offset: 22, line: 1, column: 23 }
}
]
}
],
UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME: [
{
code: '<template><div =foo=bar></div></template>',
errors: [
{
type: ErrorCodes.UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME,
loc: { offset: 15, line: 1, column: 16 }
}
]
},
{
code: '<template><div =></div></template>',
errors: [
{
type: ErrorCodes.UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME,
loc: { offset: 15, line: 1, column: 16 }
}
]
}
],
UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME: [
{
code: '<template><?xml?></template>',
errors: [
{
type: ErrorCodes.UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME,
loc: { offset: 11, line: 1, column: 12 }
}
]
}
],
UNEXPECTED_SOLIDUS_IN_TAG: [
{
code: '<template><div a/b></div></template>',
errors: [
{
type: ErrorCodes.UNEXPECTED_SOLIDUS_IN_TAG,
loc: { offset: 16, line: 1, column: 17 }
}
]
}
],
UNKNOWN_NAMED_CHARACTER_REFERENCE: [
{
code: '<template>&unknown;</template>',
errors: [
{
type: ErrorCodes.UNKNOWN_NAMED_CHARACTER_REFERENCE,
loc: { offset: 10, line: 1, column: 11 }
}
]
}
],
X_INVALID_END_TAG: [
{
code: '<template></div></template>',
errors: [
{
type: ErrorCodes.X_INVALID_END_TAG,
loc: { offset: 10, line: 1, column: 11 }
}
]
},
{
code: '<template></div></div></template>',
errors: [
{
type: ErrorCodes.X_INVALID_END_TAG,
loc: { offset: 10, line: 1, column: 11 }
},
{
type: ErrorCodes.X_INVALID_END_TAG,
loc: { offset: 16, line: 1, column: 17 }
}
]
},
{
code: "<template>{{'</div>'}}</template>",
errors: []
},
{
code: '<textarea></div></textarea>',
errors: []
},
{
code: '<svg><![CDATA[</div>]]></svg>',
errors: []
},
{
code: '<svg><!--</div>--></svg>',
errors: []
}
],
X_MISSING_END_TAG: [
{
code: '<template><div></template>',
errors: [
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 15, line: 1, column: 16 }
}
]
},
{
code: '<template><div>',
errors: [
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 15, line: 1, column: 16 }
},
{
type: ErrorCodes.X_MISSING_END_TAG,
loc: { offset: 15, line: 1, column: 16 }
}
]
}
],
X_MISSING_INTERPOLATION_END: [
{
code: '{{ foo',
errors: [
{
type: ErrorCodes.X_MISSING_INTERPOLATION_END,
loc: { offset: 0, line: 1, column: 1 }
}
]
},
{
code: '{{',
errors: [
{
type: ErrorCodes.X_MISSING_INTERPOLATION_END,
loc: { offset: 0, line: 1, column: 1 }
}
]
},
{
code: '{{}}',
errors: []
}
]
}
for (const key of Object.keys(patterns) as (keyof (typeof patterns))[]) {
describe(key, () => {
for (const { code, errors, options } of patterns[key]) {
test(
code.replace(
/[\r\n]/g,
c => `\\x0${c.codePointAt(0)!.toString(16)};`
),
() => {
const spy = jest.fn()
const ast = parse(code, {
getNamespace: (tag, parent) => {
const ns = parent ? parent.ns : Namespaces.HTML
if (ns === Namespaces.HTML) {
if (tag === 'svg') {
return (Namespaces.HTML + 1) as any
}
}
return ns
},
getTextMode: tag => {
if (tag === 'textarea') {
return TextModes.RCDATA
}
if (tag === 'script') {
return TextModes.RAWTEXT
}
return TextModes.DATA
},
...options,
onError: spy
})
expect(
spy.mock.calls.map(([err]) => ({
type: err.code,
loc: err.loc.start
}))
).toMatchObject(errors)
expect(ast).toMatchSnapshot()
}
)
}
})
}
})
})