191 lines
5.4 KiB
JavaScript
191 lines
5.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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function _helperPluginUtils() {
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const data = require("@babel/helper-plugin-utils");
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_helperPluginUtils = function () {
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return data;
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};
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return data;
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}
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function _core() {
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const data = require("@babel/core");
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_core = function () {
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return data;
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};
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return data;
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}
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var _default = (0, _helperPluginUtils().declare)((api, options) => {
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api.assertVersion(7);
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const {
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loose
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} = options;
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const pushComputedProps = loose ? pushComputedPropsLoose : pushComputedPropsSpec;
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const buildMutatorMapAssign = (0, _core().template)(`
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MUTATOR_MAP_REF[KEY] = MUTATOR_MAP_REF[KEY] || {};
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MUTATOR_MAP_REF[KEY].KIND = VALUE;
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`);
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function getValue(prop) {
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if (_core().types.isObjectProperty(prop)) {
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return prop.value;
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} else if (_core().types.isObjectMethod(prop)) {
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return _core().types.functionExpression(null, prop.params, prop.body, prop.generator, prop.async);
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}
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}
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function pushAssign(objId, prop, body) {
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if (prop.kind === "get" && prop.kind === "set") {
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pushMutatorDefine(objId, prop, body);
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} else {
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body.push(_core().types.expressionStatement(_core().types.assignmentExpression("=", _core().types.memberExpression(_core().types.cloneNode(objId), prop.key, prop.computed || _core().types.isLiteral(prop.key)), getValue(prop))));
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}
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}
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function pushMutatorDefine({
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body,
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getMutatorId,
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scope
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}, prop) {
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let key = !prop.computed && _core().types.isIdentifier(prop.key) ? _core().types.stringLiteral(prop.key.name) : prop.key;
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const maybeMemoise = scope.maybeGenerateMemoised(key);
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if (maybeMemoise) {
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body.push(_core().types.expressionStatement(_core().types.assignmentExpression("=", maybeMemoise, key)));
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key = maybeMemoise;
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}
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body.push(...buildMutatorMapAssign({
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MUTATOR_MAP_REF: getMutatorId(),
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KEY: _core().types.cloneNode(key),
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VALUE: getValue(prop),
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KIND: _core().types.identifier(prop.kind)
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}));
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}
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function pushComputedPropsLoose(info) {
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for (const prop of info.computedProps) {
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if (prop.kind === "get" || prop.kind === "set") {
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pushMutatorDefine(info, prop);
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} else {
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pushAssign(_core().types.cloneNode(info.objId), prop, info.body);
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}
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}
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}
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function pushComputedPropsSpec(info) {
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const {
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objId,
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body,
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computedProps,
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state
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} = info;
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for (const prop of computedProps) {
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const key = _core().types.toComputedKey(prop);
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if (prop.kind === "get" || prop.kind === "set") {
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pushMutatorDefine(info, prop);
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} else if (_core().types.isStringLiteral(key, {
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value: "__proto__"
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})) {
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pushAssign(objId, prop, body);
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} else {
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if (computedProps.length === 1) {
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return _core().types.callExpression(state.addHelper("defineProperty"), [info.initPropExpression, key, getValue(prop)]);
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} else {
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body.push(_core().types.expressionStatement(_core().types.callExpression(state.addHelper("defineProperty"), [_core().types.cloneNode(objId), key, getValue(prop)])));
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}
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}
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}
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}
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return {
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name: "transform-computed-properties",
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visitor: {
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ObjectExpression: {
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exit(path, state) {
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const {
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node,
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parent,
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scope
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} = path;
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let hasComputed = false;
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for (const prop of node.properties) {
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hasComputed = prop.computed === true;
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if (hasComputed) break;
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}
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if (!hasComputed) return;
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const initProps = [];
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const computedProps = [];
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let foundComputed = false;
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for (const prop of node.properties) {
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if (prop.computed) {
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foundComputed = true;
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}
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if (foundComputed) {
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computedProps.push(prop);
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} else {
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initProps.push(prop);
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}
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}
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const objId = scope.generateUidIdentifierBasedOnNode(parent);
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const initPropExpression = _core().types.objectExpression(initProps);
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const body = [];
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body.push(_core().types.variableDeclaration("var", [_core().types.variableDeclarator(objId, initPropExpression)]));
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let mutatorRef;
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const getMutatorId = function () {
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if (!mutatorRef) {
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mutatorRef = scope.generateUidIdentifier("mutatorMap");
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body.push(_core().types.variableDeclaration("var", [_core().types.variableDeclarator(mutatorRef, _core().types.objectExpression([]))]));
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}
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return _core().types.cloneNode(mutatorRef);
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};
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const single = pushComputedProps({
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scope,
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objId,
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body,
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computedProps,
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initPropExpression,
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getMutatorId,
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state
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});
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if (mutatorRef) {
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body.push(_core().types.expressionStatement(_core().types.callExpression(state.addHelper("defineEnumerableProperties"), [_core().types.cloneNode(objId), _core().types.cloneNode(mutatorRef)])));
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}
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if (single) {
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path.replaceWith(single);
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} else {
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body.push(_core().types.expressionStatement(_core().types.cloneNode(objId)));
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path.replaceWithMultiple(body);
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}
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}
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}
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}
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};
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});
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exports.default = _default; |