diff options
Diffstat (limited to 'node_modules/@vue/component-compiler-utils/lib/templateCompilerModules/srcset.ts')
| -rw-r--r-- | node_modules/@vue/component-compiler-utils/lib/templateCompilerModules/srcset.ts | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/node_modules/@vue/component-compiler-utils/lib/templateCompilerModules/srcset.ts b/node_modules/@vue/component-compiler-utils/lib/templateCompilerModules/srcset.ts deleted file mode 100644 index 7cb7544e..00000000 --- a/node_modules/@vue/component-compiler-utils/lib/templateCompilerModules/srcset.ts +++ /dev/null @@ -1,66 +0,0 @@ -// vue compiler module for transforming `img:srcset` to a number of `require`s - -import { urlToRequire, ASTNode } from './utils' - -interface ImageCandidate { - require: string - descriptor: string -} - -export default () => ({ - postTransformNode: (node: ASTNode) => { - transform(node) - } -}) - -// http://w3c.github.io/html/semantics-embedded-content.html#ref-for-image-candidate-string-5 -const escapedSpaceCharacters = /( |\\t|\\n|\\f|\\r)+/g - -function transform(node: ASTNode) { - const tags = ['img', 'source'] - - if (tags.indexOf(node.tag) !== -1 && node.attrs) { - node.attrs.forEach(attr => { - if (attr.name === 'srcset') { - // same logic as in transform-require.js - const value = attr.value - const isStatic = - value.charAt(0) === '"' && value.charAt(value.length - 1) === '"' - if (!isStatic) { - return - } - - const imageCandidates: ImageCandidate[] = value - .substr(1, value.length - 2) - .split(',') - .map(s => { - // The attribute value arrives here with all whitespace, except - // normal spaces, represented by escape sequences - const [url, descriptor] = s - .replace(escapedSpaceCharacters, ' ') - .trim() - .split(' ', 2) - return { require: urlToRequire(url), descriptor } - }) - - // "require(url1)" - // "require(url1) 1x" - // "require(url1), require(url2)" - // "require(url1), require(url2) 2x" - // "require(url1) 1x, require(url2)" - // "require(url1) 1x, require(url2) 2x" - const code = imageCandidates - .map( - ({ require, descriptor }) => - `${require} + "${descriptor ? ' ' + descriptor : ''}, " + ` - ) - .join('') - .slice(0, -6) - .concat('"') - .replace(/ \+ ""$/, '') - - attr.value = code - } - }) - } -} |
