diff options
Diffstat (limited to 'node_modules/@babel/plugin-transform-spread/lib/index.js')
| -rw-r--r-- | node_modules/@babel/plugin-transform-spread/lib/index.js | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/node_modules/@babel/plugin-transform-spread/lib/index.js b/node_modules/@babel/plugin-transform-spread/lib/index.js index f996f731..c1d8aac5 100644 --- a/node_modules/@babel/plugin-transform-spread/lib/index.js +++ b/node_modules/@babel/plugin-transform-spread/lib/index.js @@ -18,11 +18,34 @@ var _default = exports.default = (0, _helperPluginUtils.declare)((api, options) })) { return spread.argument; } else { - return scope.toArray(spread.argument, true, arrayLikeIsIterable); + const node = spread.argument; + if (_core.types.isIdentifier(node)) { + const binding = scope.getBinding(node.name); + if (binding != null && binding.constant && binding.path.isGenericType("Array")) { + return node; + } + } + if (_core.types.isArrayExpression(node)) { + return node; + } + if (_core.types.isIdentifier(node, { + name: "arguments" + })) { + return _core.template.expression.ast` + Array.prototype.slice.call(${node}) + `; + } + const args = [node]; + let helperName = "toConsumableArray"; + if (arrayLikeIsIterable) { + args.unshift(scope.path.hub.addHelper(helperName)); + helperName = "maybeArrayLike"; + } + return _core.types.callExpression(scope.path.hub.addHelper(helperName), args); } } function hasHole(spread) { - return spread.elements.some(el => el === null); + return spread.elements.includes(null); } function hasSpread(nodes) { for (let i = 0; i < nodes.length; i++) { |
