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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/babel-plugin-transform-es2015-computed-properties/lib
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-rw-r--r--node_modules/babel-plugin-transform-es2015-computed-properties/lib/index.js219
1 files changed, 219 insertions, 0 deletions
diff --git a/node_modules/babel-plugin-transform-es2015-computed-properties/lib/index.js b/node_modules/babel-plugin-transform-es2015-computed-properties/lib/index.js
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+++ b/node_modules/babel-plugin-transform-es2015-computed-properties/lib/index.js
@@ -0,0 +1,219 @@
+"use strict";
+
+exports.__esModule = true;
+
+var _getIterator2 = require("babel-runtime/core-js/get-iterator");
+
+var _getIterator3 = _interopRequireDefault(_getIterator2);
+
+exports.default = function (_ref) {
+ var t = _ref.types,
+ template = _ref.template;
+
+ var buildMutatorMapAssign = template("\n MUTATOR_MAP_REF[KEY] = MUTATOR_MAP_REF[KEY] || {};\n MUTATOR_MAP_REF[KEY].KIND = VALUE;\n ");
+
+ function getValue(prop) {
+ if (t.isObjectProperty(prop)) {
+ return prop.value;
+ } else if (t.isObjectMethod(prop)) {
+ return t.functionExpression(null, prop.params, prop.body, prop.generator, prop.async);
+ }
+ }
+
+ function pushAssign(objId, prop, body) {
+ if (prop.kind === "get" && prop.kind === "set") {
+ pushMutatorDefine(objId, prop, body);
+ } else {
+ body.push(t.expressionStatement(t.assignmentExpression("=", t.memberExpression(objId, prop.key, prop.computed || t.isLiteral(prop.key)), getValue(prop))));
+ }
+ }
+
+ function pushMutatorDefine(_ref2, prop) {
+ var objId = _ref2.objId,
+ body = _ref2.body,
+ getMutatorId = _ref2.getMutatorId,
+ scope = _ref2.scope;
+
+ var key = !prop.computed && t.isIdentifier(prop.key) ? t.stringLiteral(prop.key.name) : prop.key;
+
+ var maybeMemoise = scope.maybeGenerateMemoised(key);
+ if (maybeMemoise) {
+ body.push(t.expressionStatement(t.assignmentExpression("=", maybeMemoise, key)));
+ key = maybeMemoise;
+ }
+
+ body.push.apply(body, buildMutatorMapAssign({
+ MUTATOR_MAP_REF: getMutatorId(),
+ KEY: key,
+ VALUE: getValue(prop),
+ KIND: t.identifier(prop.kind)
+ }));
+ }
+
+ function loose(info) {
+ for (var _iterator = info.computedProps, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
+ var _ref3;
+
+ if (_isArray) {
+ if (_i >= _iterator.length) break;
+ _ref3 = _iterator[_i++];
+ } else {
+ _i = _iterator.next();
+ if (_i.done) break;
+ _ref3 = _i.value;
+ }
+
+ var prop = _ref3;
+
+ if (prop.kind === "get" || prop.kind === "set") {
+ pushMutatorDefine(info, prop);
+ } else {
+ pushAssign(info.objId, prop, info.body);
+ }
+ }
+ }
+
+ function spec(info) {
+ var objId = info.objId,
+ body = info.body,
+ computedProps = info.computedProps,
+ state = info.state;
+
+
+ for (var _iterator2 = computedProps, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
+ var _ref4;
+
+ if (_isArray2) {
+ if (_i2 >= _iterator2.length) break;
+ _ref4 = _iterator2[_i2++];
+ } else {
+ _i2 = _iterator2.next();
+ if (_i2.done) break;
+ _ref4 = _i2.value;
+ }
+
+ var prop = _ref4;
+
+ var key = t.toComputedKey(prop);
+
+ if (prop.kind === "get" || prop.kind === "set") {
+ pushMutatorDefine(info, prop);
+ } else if (t.isStringLiteral(key, { value: "__proto__" })) {
+ pushAssign(objId, prop, body);
+ } else {
+ if (computedProps.length === 1) {
+ return t.callExpression(state.addHelper("defineProperty"), [info.initPropExpression, key, getValue(prop)]);
+ } else {
+ body.push(t.expressionStatement(t.callExpression(state.addHelper("defineProperty"), [objId, key, getValue(prop)])));
+ }
+ }
+ }
+ }
+
+ return {
+ visitor: {
+ ObjectExpression: {
+ exit: function exit(path, state) {
+ var node = path.node,
+ parent = path.parent,
+ scope = path.scope;
+
+ var hasComputed = false;
+ for (var _iterator3 = node.properties, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
+ var _ref5;
+
+ if (_isArray3) {
+ if (_i3 >= _iterator3.length) break;
+ _ref5 = _iterator3[_i3++];
+ } else {
+ _i3 = _iterator3.next();
+ if (_i3.done) break;
+ _ref5 = _i3.value;
+ }
+
+ var prop = _ref5;
+
+ hasComputed = prop.computed === true;
+ if (hasComputed) break;
+ }
+ if (!hasComputed) return;
+
+ var initProps = [];
+ var computedProps = [];
+ var foundComputed = false;
+
+ for (var _iterator4 = node.properties, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : (0, _getIterator3.default)(_iterator4);;) {
+ var _ref6;
+
+ if (_isArray4) {
+ if (_i4 >= _iterator4.length) break;
+ _ref6 = _iterator4[_i4++];
+ } else {
+ _i4 = _iterator4.next();
+ if (_i4.done) break;
+ _ref6 = _i4.value;
+ }
+
+ var _prop = _ref6;
+
+ if (_prop.computed) {
+ foundComputed = true;
+ }
+
+ if (foundComputed) {
+ computedProps.push(_prop);
+ } else {
+ initProps.push(_prop);
+ }
+ }
+
+ var objId = scope.generateUidIdentifierBasedOnNode(parent);
+ var initPropExpression = t.objectExpression(initProps);
+ var body = [];
+
+ body.push(t.variableDeclaration("var", [t.variableDeclarator(objId, initPropExpression)]));
+
+ var callback = spec;
+ if (state.opts.loose) callback = loose;
+
+ var mutatorRef = void 0;
+
+ var getMutatorId = function getMutatorId() {
+ if (!mutatorRef) {
+ mutatorRef = scope.generateUidIdentifier("mutatorMap");
+
+ body.push(t.variableDeclaration("var", [t.variableDeclarator(mutatorRef, t.objectExpression([]))]));
+ }
+
+ return mutatorRef;
+ };
+
+ var single = callback({
+ scope: scope,
+ objId: objId,
+ body: body,
+ computedProps: computedProps,
+ initPropExpression: initPropExpression,
+ getMutatorId: getMutatorId,
+ state: state
+ });
+
+ if (mutatorRef) {
+ body.push(t.expressionStatement(t.callExpression(state.addHelper("defineEnumerableProperties"), [objId, mutatorRef])));
+ }
+
+ if (single) {
+ path.replaceWith(single);
+ } else {
+ body.push(t.expressionStatement(objId));
+ path.replaceWithMultiple(body);
+ }
+ }
+ }
+ }
+ };
+};
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+module.exports = exports["default"]; \ No newline at end of file