vue3-yuanma/packages/compiler-dom/__tests__/transforms/vHtml.spec.ts
2020-02-11 18:40:42 -05:00

71 lines
2.0 KiB
TypeScript

import {
baseParse as parse,
transform,
PlainElementNode,
CompilerOptions
} from '@vue/compiler-core'
import { transformVHtml } from '../../src/transforms/vHtml'
import { transformElement } from '../../../compiler-core/src/transforms/transformElement'
import {
createObjectMatcher,
genFlagText
} from '../../../compiler-core/__tests__/testUtils'
import { PatchFlags } from '@vue/shared'
import { DOMErrorCodes } from '../../src/errors'
function transformWithVHtml(template: string, options: CompilerOptions = {}) {
const ast = parse(template)
transform(ast, {
nodeTransforms: [transformElement],
directiveTransforms: {
html: transformVHtml
},
...options
})
return ast
}
describe('compiler: v-html transform', () => {
it('should convert v-html to innerHTML', () => {
const ast = transformWithVHtml(`<div v-html="test"/>`)
expect((ast.children[0] as PlainElementNode).codegenNode).toMatchObject({
tag: `"div"`,
props: createObjectMatcher({
innerHTML: `[test]`
}),
children: undefined,
patchFlag: genFlagText(PatchFlags.PROPS),
dynamicProps: `["innerHTML"]`
})
})
it('should raise error and ignore children when v-html is present', () => {
const onError = jest.fn()
const ast = transformWithVHtml(`<div v-html="test">hello</div>`, {
onError
})
expect(onError.mock.calls).toMatchObject([
[{ code: DOMErrorCodes.X_V_HTML_WITH_CHILDREN }]
])
expect((ast.children[0] as PlainElementNode).codegenNode).toMatchObject({
tag: `"div"`,
props: createObjectMatcher({
innerHTML: `[test]`
}),
children: undefined, // <-- children should have been removed
patchFlag: genFlagText(PatchFlags.PROPS),
dynamicProps: `["innerHTML"]`
})
})
it('should raise error if has no expression', () => {
const onError = jest.fn()
transformWithVHtml(`<div v-html></div>`, {
onError
})
expect(onError.mock.calls).toMatchObject([
[{ code: DOMErrorCodes.X_V_HTML_NO_EXPRESSION }]
])
})
})