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.
179 lines
5.2 KiB
179 lines
5.2 KiB
"use strict"; |
|
|
|
Object.defineProperty(exports, "__esModule", { |
|
value: true |
|
}); |
|
exports.default = void 0; |
|
|
|
var _helperPluginUtils = require("@babel/helper-plugin-utils"); |
|
|
|
var _helperSkipTransparentExpressionWrappers = require("@babel/helper-skip-transparent-expression-wrappers"); |
|
|
|
var _core = require("@babel/core"); |
|
|
|
var _default = (0, _helperPluginUtils.declare)((api, options) => { |
|
var _api$assumption, _options$allowArrayLi; |
|
|
|
api.assertVersion(7); |
|
const iterableIsArray = (_api$assumption = api.assumption("iterableIsArray")) != null ? _api$assumption : options.loose; |
|
const arrayLikeIsIterable = (_options$allowArrayLi = options.allowArrayLike) != null ? _options$allowArrayLi : api.assumption("arrayLikeIsIterable"); |
|
|
|
function getSpreadLiteral(spread, scope) { |
|
if (iterableIsArray && !_core.types.isIdentifier(spread.argument, { |
|
name: "arguments" |
|
})) { |
|
return spread.argument; |
|
} else { |
|
return scope.toArray(spread.argument, true, arrayLikeIsIterable); |
|
} |
|
} |
|
|
|
function hasHole(spread) { |
|
return spread.elements.some(el => el === null); |
|
} |
|
|
|
function hasSpread(nodes) { |
|
for (let i = 0; i < nodes.length; i++) { |
|
if (_core.types.isSpreadElement(nodes[i])) { |
|
return true; |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
function push(_props, nodes) { |
|
if (!_props.length) return _props; |
|
nodes.push(_core.types.arrayExpression(_props)); |
|
return []; |
|
} |
|
|
|
function build(props, scope, file) { |
|
const nodes = []; |
|
let _props = []; |
|
|
|
for (const prop of props) { |
|
if (_core.types.isSpreadElement(prop)) { |
|
_props = push(_props, nodes); |
|
let spreadLiteral = getSpreadLiteral(prop, scope); |
|
|
|
if (_core.types.isArrayExpression(spreadLiteral) && hasHole(spreadLiteral)) { |
|
spreadLiteral = _core.types.callExpression(file.addHelper("arrayWithoutHoles"), [spreadLiteral]); |
|
} |
|
|
|
nodes.push(spreadLiteral); |
|
} else { |
|
_props.push(prop); |
|
} |
|
} |
|
|
|
push(_props, nodes); |
|
return nodes; |
|
} |
|
|
|
return { |
|
name: "transform-spread", |
|
visitor: { |
|
ArrayExpression(path) { |
|
const { |
|
node, |
|
scope |
|
} = path; |
|
const elements = node.elements; |
|
if (!hasSpread(elements)) return; |
|
const nodes = build(elements, scope, this.file); |
|
let first = nodes[0]; |
|
|
|
if (nodes.length === 1 && first !== elements[0].argument) { |
|
path.replaceWith(first); |
|
return; |
|
} |
|
|
|
if (!_core.types.isArrayExpression(first)) { |
|
first = _core.types.arrayExpression([]); |
|
} else { |
|
nodes.shift(); |
|
} |
|
|
|
path.replaceWith(_core.types.callExpression(_core.types.memberExpression(first, _core.types.identifier("concat")), nodes)); |
|
}, |
|
|
|
CallExpression(path) { |
|
const { |
|
node, |
|
scope |
|
} = path; |
|
const args = node.arguments; |
|
if (!hasSpread(args)) return; |
|
const calleePath = (0, _helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers)(path.get("callee")); |
|
|
|
if (calleePath.isSuper()) { |
|
throw path.buildCodeFrameError("It's not possible to compile spread arguments in `super()` without compiling classes.\n" + "Please add '@babel/plugin-transform-classes' to your Babel configuration."); |
|
} |
|
|
|
let contextLiteral = scope.buildUndefinedNode(); |
|
node.arguments = []; |
|
let nodes; |
|
|
|
if (args.length === 1 && _core.types.isIdentifier(args[0].argument, { |
|
name: "arguments" |
|
})) { |
|
nodes = [args[0].argument]; |
|
} else { |
|
nodes = build(args, scope, this.file); |
|
} |
|
|
|
const first = nodes.shift(); |
|
|
|
if (nodes.length) { |
|
node.arguments.push(_core.types.callExpression(_core.types.memberExpression(first, _core.types.identifier("concat")), nodes)); |
|
} else { |
|
node.arguments.push(first); |
|
} |
|
|
|
const callee = calleePath.node; |
|
|
|
if (_core.types.isMemberExpression(callee)) { |
|
const temp = scope.maybeGenerateMemoised(callee.object); |
|
|
|
if (temp) { |
|
callee.object = _core.types.assignmentExpression("=", temp, callee.object); |
|
contextLiteral = temp; |
|
} else { |
|
contextLiteral = _core.types.cloneNode(callee.object); |
|
} |
|
} |
|
|
|
node.callee = _core.types.memberExpression(node.callee, _core.types.identifier("apply")); |
|
|
|
if (_core.types.isSuper(contextLiteral)) { |
|
contextLiteral = _core.types.thisExpression(); |
|
} |
|
|
|
node.arguments.unshift(_core.types.cloneNode(contextLiteral)); |
|
}, |
|
|
|
NewExpression(path) { |
|
const { |
|
node, |
|
scope |
|
} = path; |
|
if (!hasSpread(node.arguments)) return; |
|
const nodes = build(node.arguments, scope, this.file); |
|
const first = nodes.shift(); |
|
let args; |
|
|
|
if (nodes.length) { |
|
args = _core.types.callExpression(_core.types.memberExpression(first, _core.types.identifier("concat")), nodes); |
|
} else { |
|
args = first; |
|
} |
|
|
|
path.replaceWith(_core.types.callExpression(path.hub.addHelper("construct"), [node.callee, args])); |
|
} |
|
|
|
} |
|
}; |
|
}); |
|
|
|
exports.default = _default; |