mirror of
https://github.com/S2-/minifyfromhtml.git
synced 2025-08-03 20:30:04 +02:00
50 lines
1.4 KiB
JavaScript
50 lines
1.4 KiB
JavaScript
"use strict";
|
|
|
|
const _require = require("esutils"),
|
|
keyword = _require.keyword;
|
|
|
|
const escapeStringLiteral = require("./escape-string-literal");
|
|
|
|
module.exports = {
|
|
reduceStaticPropertyNameES5
|
|
};
|
|
/**
|
|
*
|
|
* Original Source:
|
|
* https://github.com/shapesecurity/shift-codegen-js/blob/0d09bd8a/src/minimal-codegen.js#L635
|
|
*
|
|
* This implementation modifies the original source in the following ways
|
|
* + Check for ES5 Identifier name instead of ES6 Identifier name
|
|
* + Use Babel-Types & Babel's AST instead of ShiftAST
|
|
*
|
|
* LICENSE
|
|
|
|
Copyright 2014 Shape Security, Inc.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
|
|
*/
|
|
|
|
function reduceStaticPropertyNameES5(t, node) {
|
|
if (keyword.isIdentifierNameES5(node.value)) {
|
|
return t.Identifier(node.value);
|
|
}
|
|
|
|
let n = parseFloat(node.value);
|
|
|
|
if (n >= 0 && n.toString() === node.value) {
|
|
return t.NumericLiteral(n);
|
|
}
|
|
|
|
return t.Identifier(escapeStringLiteral(node.value));
|
|
} |