feat(compiler-sfc): transform asset url (#500)

packages/compiler-sfc/__tests__/__snapshots__/templateTransformAssetUrl.spec.ts.snap

@@ -0,0 +1,39 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`compiler sfc: transform asset url support uri fragment 1`] = `
+"import { createVNode, createBlock, openBlock } from \\"vue\\"
+import _imports_0 from '@svg/file.svg'
+
+
+const _hoisted_1 = _imports_0 + '#fragment'
+
+export default function render() {
+  const _ctx = this
+  return (openBlock(), createBlock(\\"use\\", { href: _hoisted_1 }))
+}"
+`;
+
+exports[`compiler sfc: transform asset url support uri is empty 1`] = `
+"import { createVNode, createBlock, openBlock } from \\"vue\\"
+
+export default function render() {
+  const _ctx = this
+  return (openBlock(), createBlock(\\"use\\", { href: '' }))
+}"
+`;
+
+exports[`compiler sfc: transform asset url transform assetUrls 1`] = `
+"import { createVNode, createBlock, Fragment, openBlock } from \\"vue\\"
+import _imports_0 from './logo.png'
+import _imports_1 from 'fixtures/logo.png'
+
+
+export default function render() {
+  const _ctx = this
+  return (openBlock(), createBlock(Fragment, null, [
+    createVNode(\\"img\\", { src: _imports_0 }),
+    createVNode(\\"img\\", { src: _imports_1 }),
+    createVNode(\\"img\\", { src: _imports_1 })
+  ]))
+}"
+`;

packages/compiler-sfc/__tests__/templateTransformAssetUrl.spec.ts

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+import { generate, parse, transform } from '@vue/compiler-core'
+import { transformAssetUrl } from '../src/templateTransformAssetUrl'
+import { transformElement } from '../../compiler-core/src/transforms/transformElement'
+import { transformBind } from '../../compiler-core/src/transforms/vBind'
+
+function compileWithAssetUrls(template: string) {
+  const ast = parse(template)
+  transform(ast, {
+    nodeTransforms: [transformAssetUrl, transformElement],
+    directiveTransforms: {
+      bind: transformBind
+    }
+  })
+  return generate(ast, { mode: 'module' })
+}
+
+describe('compiler sfc: transform asset url', () => {
+  test('transform assetUrls', () => {
+    const result = compileWithAssetUrls(`
+			<img src="./logo.png"/>
+			<img src="~fixtures/logo.png"/>
+			<img src="~/fixtures/logo.png"/>
+		`)
+
+    expect(result.code).toMatchSnapshot()
+  })
+
+  /**
+   * vuejs/component-compiler-utils#22 Support uri fragment in transformed require
+   */
+  test('support uri fragment', () => {
+    const result = compileWithAssetUrls(
+      '<use href="~@svg/file.svg#fragment"></use>'
+    )
+
+    expect(result.code).toMatchSnapshot()
+  })
+
+  /**
+   * vuejs/component-compiler-utils#22 Support uri fragment in transformed require
+   */
+  test('support uri is empty', () => {
+    const result = compileWithAssetUrls('<use href="~"></use>')
+
+    expect(result.code).toMatchSnapshot()
+  })
+})