You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
667 B
35 lines
667 B
2 years ago
|
'use strict';
|
||
|
|
|
||
|
|
const cssTree = require('css-tree');
|
||
|
|
|
||
|
|
class Index {
|
||
|
|
constructor() {
|
||
|
|
this.map = new Map();
|
||
|
|
}
|
||
|
|
resolve(str) {
|
||
|
|
let index = this.map.get(str);
|
||
|
|
|
||
|
|
if (index === undefined) {
|
||
|
|
index = this.map.size + 1;
|
||
|
|
this.map.set(str, index);
|
||
|
|
}
|
||
|
|
|
||
|
|
return index;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function createDeclarationIndexer() {
|
||
|
|
const ids = new Index();
|
||
|
|
|
||
|
|
return function markDeclaration(node) {
|
||
|
|
const id = cssTree.generate(node);
|
||
|
|
|
||
|
|
node.id = ids.resolve(id);
|
||
|
|
node.length = id.length;
|
||
|
|
node.fingerprint = null;
|
||
|
|
|
||
|
|
return node;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = createDeclarationIndexer;
|