forked from zhurui/management
394 lines
13 KiB
JavaScript
394 lines
13 KiB
JavaScript
|
"use strict";
|
||
|
|
||
|
Object.defineProperty(exports, "__esModule", {
|
||
|
value: true
|
||
|
});
|
||
|
exports.default = void 0;
|
||
|
|
||
|
function _helperPluginUtils() {
|
||
|
const data = require("@babel/helper-plugin-utils");
|
||
|
|
||
|
_helperPluginUtils = function () {
|
||
|
return data;
|
||
|
};
|
||
|
|
||
|
return data;
|
||
|
}
|
||
|
|
||
|
function _pluginSyntaxObjectRestSpread() {
|
||
|
const data = _interopRequireDefault(require("@babel/plugin-syntax-object-rest-spread"));
|
||
|
|
||
|
_pluginSyntaxObjectRestSpread = function () {
|
||
|
return data;
|
||
|
};
|
||
|
|
||
|
return data;
|
||
|
}
|
||
|
|
||
|
function _core() {
|
||
|
const data = require("@babel/core");
|
||
|
|
||
|
_core = function () {
|
||
|
return data;
|
||
|
};
|
||
|
|
||
|
return data;
|
||
|
}
|
||
|
|
||
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
||
|
|
||
|
const ZERO_REFS = (() => {
|
||
|
const node = _core().types.identifier("a");
|
||
|
|
||
|
const property = _core().types.objectProperty(_core().types.identifier("key"), node);
|
||
|
|
||
|
const pattern = _core().types.objectPattern([property]);
|
||
|
|
||
|
return _core().types.isReferenced(node, property, pattern) ? 1 : 0;
|
||
|
})();
|
||
|
|
||
|
var _default = (0, _helperPluginUtils().declare)((api, opts) => {
|
||
|
api.assertVersion(7);
|
||
|
const {
|
||
|
useBuiltIns = false,
|
||
|
loose = false
|
||
|
} = opts;
|
||
|
|
||
|
if (typeof loose !== "boolean") {
|
||
|
throw new Error(".loose must be a boolean, or undefined");
|
||
|
}
|
||
|
|
||
|
function getExtendsHelper(file) {
|
||
|
return useBuiltIns ? _core().types.memberExpression(_core().types.identifier("Object"), _core().types.identifier("assign")) : file.addHelper("extends");
|
||
|
}
|
||
|
|
||
|
function hasRestElement(path) {
|
||
|
let foundRestElement = false;
|
||
|
visitRestElements(path, () => {
|
||
|
foundRestElement = true;
|
||
|
path.stop();
|
||
|
});
|
||
|
return foundRestElement;
|
||
|
}
|
||
|
|
||
|
function visitRestElements(path, visitor) {
|
||
|
path.traverse({
|
||
|
Expression(path) {
|
||
|
const parentType = path.parent.type;
|
||
|
|
||
|
if (parentType === "AssignmentPattern" && path.key === "right" || parentType === "ObjectProperty" && path.parent.computed && path.key === "key") {
|
||
|
path.skip();
|
||
|
}
|
||
|
},
|
||
|
|
||
|
RestElement: visitor
|
||
|
});
|
||
|
}
|
||
|
|
||
|
function hasSpread(node) {
|
||
|
for (const prop of node.properties) {
|
||
|
if (_core().types.isSpreadElement(prop)) {
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
function extractNormalizedKeys(path) {
|
||
|
const props = path.node.properties;
|
||
|
const keys = [];
|
||
|
let allLiteral = true;
|
||
|
|
||
|
for (const prop of props) {
|
||
|
if (_core().types.isIdentifier(prop.key) && !prop.computed) {
|
||
|
keys.push(_core().types.stringLiteral(prop.key.name));
|
||
|
} else if (_core().types.isTemplateLiteral(prop.key)) {
|
||
|
keys.push(_core().types.cloneNode(prop.key));
|
||
|
} else if (_core().types.isLiteral(prop.key)) {
|
||
|
keys.push(_core().types.stringLiteral(String(prop.key.value)));
|
||
|
} else {
|
||
|
keys.push(_core().types.cloneNode(prop.key));
|
||
|
allLiteral = false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
keys,
|
||
|
allLiteral
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function replaceImpureComputedKeys(path) {
|
||
|
const impureComputedPropertyDeclarators = [];
|
||
|
|
||
|
for (const propPath of path.get("properties")) {
|
||
|
const key = propPath.get("key");
|
||
|
|
||
|
if (propPath.node.computed && !key.isPure()) {
|
||
|
const name = path.scope.generateUidBasedOnNode(key.node);
|
||
|
|
||
|
const declarator = _core().types.variableDeclarator(_core().types.identifier(name), key.node);
|
||
|
|
||
|
impureComputedPropertyDeclarators.push(declarator);
|
||
|
key.replaceWith(_core().types.identifier(name));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return impureComputedPropertyDeclarators;
|
||
|
}
|
||
|
|
||
|
function removeUnusedExcludedKeys(path) {
|
||
|
const bindings = path.getOuterBindingIdentifierPaths();
|
||
|
Object.keys(bindings).forEach(bindingName => {
|
||
|
const bindingParentPath = bindings[bindingName].parentPath;
|
||
|
|
||
|
if (path.scope.getBinding(bindingName).references > ZERO_REFS || !bindingParentPath.isObjectProperty()) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
bindingParentPath.remove();
|
||
|
});
|
||
|
}
|
||
|
|
||
|
function createObjectSpread(path, file, objRef) {
|
||
|
const props = path.get("properties");
|
||
|
const last = props[props.length - 1];
|
||
|
|
||
|
_core().types.assertRestElement(last.node);
|
||
|
|
||
|
const restElement = _core().types.cloneNode(last.node);
|
||
|
|
||
|
last.remove();
|
||
|
const impureComputedPropertyDeclarators = replaceImpureComputedKeys(path);
|
||
|
const {
|
||
|
keys,
|
||
|
allLiteral
|
||
|
} = extractNormalizedKeys(path);
|
||
|
|
||
|
if (keys.length === 0) {
|
||
|
return [impureComputedPropertyDeclarators, restElement.argument, _core().types.callExpression(getExtendsHelper(file), [_core().types.objectExpression([]), _core().types.cloneNode(objRef)])];
|
||
|
}
|
||
|
|
||
|
let keyExpression;
|
||
|
|
||
|
if (!allLiteral) {
|
||
|
keyExpression = _core().types.callExpression(_core().types.memberExpression(_core().types.arrayExpression(keys), _core().types.identifier("map")), [file.addHelper("toPropertyKey")]);
|
||
|
} else {
|
||
|
keyExpression = _core().types.arrayExpression(keys);
|
||
|
}
|
||
|
|
||
|
return [impureComputedPropertyDeclarators, restElement.argument, _core().types.callExpression(file.addHelper(`objectWithoutProperties${loose ? "Loose" : ""}`), [_core().types.cloneNode(objRef), keyExpression])];
|
||
|
}
|
||
|
|
||
|
function replaceRestElement(parentPath, paramPath, i, numParams) {
|
||
|
if (paramPath.isAssignmentPattern()) {
|
||
|
replaceRestElement(parentPath, paramPath.get("left"), i, numParams);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
if (paramPath.isArrayPattern() && hasRestElement(paramPath)) {
|
||
|
const elements = paramPath.get("elements");
|
||
|
|
||
|
for (let i = 0; i < elements.length; i++) {
|
||
|
replaceRestElement(parentPath, elements[i], i, elements.length);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (paramPath.isObjectPattern() && hasRestElement(paramPath)) {
|
||
|
const uid = parentPath.scope.generateUidIdentifier("ref");
|
||
|
|
||
|
const declar = _core().types.variableDeclaration("let", [_core().types.variableDeclarator(paramPath.node, uid)]);
|
||
|
|
||
|
parentPath.ensureBlock();
|
||
|
parentPath.get("body").unshiftContainer("body", declar);
|
||
|
paramPath.replaceWith(_core().types.cloneNode(uid));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
name: "proposal-object-rest-spread",
|
||
|
inherits: _pluginSyntaxObjectRestSpread().default,
|
||
|
visitor: {
|
||
|
Function(path) {
|
||
|
const params = path.get("params");
|
||
|
|
||
|
for (let i = params.length - 1; i >= 0; i--) {
|
||
|
replaceRestElement(params[i].parentPath, params[i], i, params.length);
|
||
|
}
|
||
|
},
|
||
|
|
||
|
VariableDeclarator(path, file) {
|
||
|
if (!path.get("id").isObjectPattern()) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
let insertionPath = path;
|
||
|
const originalPath = path;
|
||
|
visitRestElements(path.get("id"), path => {
|
||
|
if (!path.parentPath.isObjectPattern()) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
if (originalPath.node.id.properties.length > 1 && !_core().types.isIdentifier(originalPath.node.init)) {
|
||
|
const initRef = path.scope.generateUidIdentifierBasedOnNode(originalPath.node.init, "ref");
|
||
|
originalPath.insertBefore(_core().types.variableDeclarator(initRef, originalPath.node.init));
|
||
|
originalPath.replaceWith(_core().types.variableDeclarator(originalPath.node.id, _core().types.cloneNode(initRef)));
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
let ref = originalPath.node.init;
|
||
|
const refPropertyPath = [];
|
||
|
let kind;
|
||
|
path.findParent(path => {
|
||
|
if (path.isObjectProperty()) {
|
||
|
refPropertyPath.unshift(path.node.key.name);
|
||
|
} else if (path.isVariableDeclarator()) {
|
||
|
kind = path.parentPath.node.kind;
|
||
|
return true;
|
||
|
}
|
||
|
});
|
||
|
|
||
|
if (refPropertyPath.length) {
|
||
|
refPropertyPath.forEach(prop => {
|
||
|
ref = _core().types.memberExpression(ref, _core().types.identifier(prop));
|
||
|
});
|
||
|
}
|
||
|
|
||
|
const objectPatternPath = path.findParent(path => path.isObjectPattern());
|
||
|
const [impureComputedPropertyDeclarators, argument, callExpression] = createObjectSpread(objectPatternPath, file, ref);
|
||
|
|
||
|
if (loose) {
|
||
|
removeUnusedExcludedKeys(objectPatternPath);
|
||
|
}
|
||
|
|
||
|
_core().types.assertIdentifier(argument);
|
||
|
|
||
|
insertionPath.insertBefore(impureComputedPropertyDeclarators);
|
||
|
insertionPath.insertAfter(_core().types.variableDeclarator(argument, callExpression));
|
||
|
insertionPath = insertionPath.getSibling(insertionPath.key + 1);
|
||
|
path.scope.registerBinding(kind, insertionPath);
|
||
|
|
||
|
if (objectPatternPath.node.properties.length === 0) {
|
||
|
objectPatternPath.findParent(path => path.isObjectProperty() || path.isVariableDeclarator()).remove();
|
||
|
}
|
||
|
});
|
||
|
},
|
||
|
|
||
|
ExportNamedDeclaration(path) {
|
||
|
const declaration = path.get("declaration");
|
||
|
if (!declaration.isVariableDeclaration()) return;
|
||
|
const hasRest = declaration.get("declarations").some(path => hasRestElement(path.get("id")));
|
||
|
if (!hasRest) return;
|
||
|
const specifiers = [];
|
||
|
|
||
|
for (const name of Object.keys(path.getOuterBindingIdentifiers(path))) {
|
||
|
specifiers.push(_core().types.exportSpecifier(_core().types.identifier(name), _core().types.identifier(name)));
|
||
|
}
|
||
|
|
||
|
path.replaceWith(declaration.node);
|
||
|
path.insertAfter(_core().types.exportNamedDeclaration(null, specifiers));
|
||
|
},
|
||
|
|
||
|
CatchClause(path) {
|
||
|
const paramPath = path.get("param");
|
||
|
replaceRestElement(paramPath.parentPath, paramPath);
|
||
|
},
|
||
|
|
||
|
AssignmentExpression(path, file) {
|
||
|
const leftPath = path.get("left");
|
||
|
|
||
|
if (leftPath.isObjectPattern() && hasRestElement(leftPath)) {
|
||
|
const nodes = [];
|
||
|
const refName = path.scope.generateUidBasedOnNode(path.node.right, "ref");
|
||
|
nodes.push(_core().types.variableDeclaration("var", [_core().types.variableDeclarator(_core().types.identifier(refName), path.node.right)]));
|
||
|
const [impureComputedPropertyDeclarators, argument, callExpression] = createObjectSpread(leftPath, file, _core().types.identifier(refName));
|
||
|
|
||
|
if (impureComputedPropertyDeclarators.length > 0) {
|
||
|
nodes.push(_core().types.variableDeclaration("var", impureComputedPropertyDeclarators));
|
||
|
}
|
||
|
|
||
|
const nodeWithoutSpread = _core().types.cloneNode(path.node);
|
||
|
|
||
|
nodeWithoutSpread.right = _core().types.identifier(refName);
|
||
|
nodes.push(_core().types.expressionStatement(nodeWithoutSpread));
|
||
|
nodes.push(_core().types.toStatement(_core().types.assignmentExpression("=", argument, callExpression)));
|
||
|
nodes.push(_core().types.expressionStatement(_core().types.identifier(refName)));
|
||
|
path.replaceWithMultiple(nodes);
|
||
|
}
|
||
|
},
|
||
|
|
||
|
ForXStatement(path) {
|
||
|
const {
|
||
|
node,
|
||
|
scope
|
||
|
} = path;
|
||
|
const leftPath = path.get("left");
|
||
|
const left = node.left;
|
||
|
|
||
|
if (_core().types.isObjectPattern(left) && hasRestElement(leftPath)) {
|
||
|
const temp = scope.generateUidIdentifier("ref");
|
||
|
node.left = _core().types.variableDeclaration("var", [_core().types.variableDeclarator(temp)]);
|
||
|
path.ensureBlock();
|
||
|
|
||
|
if (node.body.body.length === 0 && path.isCompletionRecord()) {
|
||
|
node.body.body.unshift(_core().types.expressionStatement(scope.buildUndefinedNode()));
|
||
|
}
|
||
|
|
||
|
node.body.body.unshift(_core().types.expressionStatement(_core().types.assignmentExpression("=", left, _core().types.cloneNode(temp))));
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
if (!_core().types.isVariableDeclaration(left)) return;
|
||
|
const pattern = left.declarations[0].id;
|
||
|
if (!_core().types.isObjectPattern(pattern)) return;
|
||
|
const key = scope.generateUidIdentifier("ref");
|
||
|
node.left = _core().types.variableDeclaration(left.kind, [_core().types.variableDeclarator(key, null)]);
|
||
|
path.ensureBlock();
|
||
|
node.body.body.unshift(_core().types.variableDeclaration(node.left.kind, [_core().types.variableDeclarator(pattern, _core().types.cloneNode(key))]));
|
||
|
},
|
||
|
|
||
|
ObjectExpression(path, file) {
|
||
|
if (!hasSpread(path.node)) return;
|
||
|
const args = [];
|
||
|
let props = [];
|
||
|
|
||
|
function push() {
|
||
|
args.push(_core().types.objectExpression(props));
|
||
|
props = [];
|
||
|
}
|
||
|
|
||
|
for (const prop of path.node.properties) {
|
||
|
if (_core().types.isSpreadElement(prop)) {
|
||
|
push();
|
||
|
args.push(prop.argument);
|
||
|
} else {
|
||
|
props.push(prop);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (props.length) {
|
||
|
push();
|
||
|
}
|
||
|
|
||
|
let helper;
|
||
|
|
||
|
if (loose) {
|
||
|
helper = getExtendsHelper(file);
|
||
|
} else {
|
||
|
try {
|
||
|
helper = file.addHelper("objectSpread2");
|
||
|
} catch (_unused) {
|
||
|
this.file.declarations["objectSpread2"] = null;
|
||
|
helper = file.addHelper("objectSpread");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
path.replaceWith(_core().types.callExpression(helper, args));
|
||
|
}
|
||
|
|
||
|
}
|
||
|
};
|
||
|
});
|
||
|
|
||
|
exports.default = _default;
|