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fix(compiler-sfc): compiler blank srcset (#3005)

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fix https://github.com/vitejs/vite/issues/1523
This commit is contained in:
underfin 2021-02-04 02:27:34 +08:00 committed by GitHub
parent ffd5288545
commit 9dc816d634
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 14 additions and 1 deletions
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12
packages/compiler-sfc/__tests__/__snapshots__/templateTransformSrcset.spec.ts.snap
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@ -16,6 +16,10 @@ const _hoisted_8 = \\"/logo.png\\" + ', ' + _imports_0 + '2x'
export function render(_ctx, _cache) {
return (_openBlock(), _createBlock(_Fragment, null, [
_createVNode(\\"img\\", {
src: \\"./logo.png\\",
srcset: \\"\\"
}),
_createVNode(\\"img\\", {
src: \\"./logo.png\\",
srcset: _hoisted_1
@ -69,6 +73,10 @@ exports[`compiler sfc: transform srcset transform srcset w/ base 1`] = `
export function render(_ctx, _cache) {
return (_openBlock(), _createBlock(_Fragment, null, [
_createVNode(\\"img\\", {
src: \\"./logo.png\\",
srcset: \\"\\"
}),
_createVNode(\\"img\\", {
src: \\"./logo.png\\",
srcset: \\"/foo/logo.png\\"
@ -137,6 +145,10 @@ const _hoisted_11 = \\"data:image/png;base64,i\\" + '1x, ' + \\"data:image/png;b
export function render(_ctx, _cache) {
return (_openBlock(), _createBlock(_Fragment, null, [
_createVNode(\\"img\\", {
src: \\"./logo.png\\",
srcset: \\"\\"
}),
_createVNode(\\"img\\", {
src: \\"./logo.png\\",
srcset: _hoisted_1

1
packages/compiler-sfc/__tests__/templateTransformSrcset.spec.ts
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@ -25,6 +25,7 @@ function compileWithSrcset(template: string, options?: AssetURLOptions) {
}
const src = `
<img src="./logo.png" srcset=""/>
<img src="./logo.png" srcset="./logo.png"/>
<img src="./logo.png" srcset="./logo.png 2x"/>
<img src="./logo.png" srcset="./logo.png 2x"/>

2
packages/compiler-sfc/src/templateTransformSrcset.ts
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@ -46,7 +46,7 @@ export const transformSrcset: NodeTransform = (
if (attr.name === 'srcset' && attr.type === NodeTypes.ATTRIBUTE) {
if (!attr.value) return
const value = attr.value.content
if (!value) return
const imageCandidates: ImageCandidate[] = value.split(',').map(s => {
// The attribute value arrives here with all whitespace, except
// normal spaces, represented by escape sequences