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keksAccountGUI/node_modulesOLD/@babel/plugin-proposal-object-rest-spread/lib/index.js

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2019-08-11 18:48:02 +00:00
"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;