37 lines
1.0 KiB
TypeScript
37 lines
1.0 KiB
TypeScript
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import { parse, transform, generate, CompilerOptions } from '@vue/compiler-core'
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import { transformElement } from '../../../compiler-core/src/transforms/transformElement'
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import { transformShow } from '../../src/transforms/vShow'
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import { DOMErrorCodes } from '../../src/errors'
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function transformWithShow(template: string, options: CompilerOptions = {}) {
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const ast = parse(template)
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transform(ast, {
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nodeTransforms: [transformElement],
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directiveTransforms: {
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show: transformShow
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},
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...options
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})
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return ast
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}
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describe('compiler: v-show transform', () => {
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test('simple expression', () => {
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const ast = transformWithShow(`<div v-show="a"/>`)
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expect(generate(ast).code).toMatchSnapshot()
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})
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test('should raise error if has no expression', () => {
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const onError = jest.fn()
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transformWithShow(`<div v-show/>`, { onError })
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expect(onError).toHaveBeenCalledTimes(1)
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expect(onError).toHaveBeenCalledWith(
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expect.objectContaining({
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code: DOMErrorCodes.X_V_SHOW_NO_EXPRESSION
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})
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)
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})
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})
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