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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-traverse/lib/path/ancestry.js
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Diffstat (limited to 'node_modules/babel-traverse/lib/path/ancestry.js')
-rw-r--r--node_modules/babel-traverse/lib/path/ancestry.js238
1 files changed, 238 insertions, 0 deletions
diff --git a/node_modules/babel-traverse/lib/path/ancestry.js b/node_modules/babel-traverse/lib/path/ancestry.js
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+++ b/node_modules/babel-traverse/lib/path/ancestry.js
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+"use strict";
+
+exports.__esModule = true;
+
+var _getIterator2 = require("babel-runtime/core-js/get-iterator");
+
+var _getIterator3 = _interopRequireDefault(_getIterator2);
+
+exports.findParent = findParent;
+exports.find = find;
+exports.getFunctionParent = getFunctionParent;
+exports.getStatementParent = getStatementParent;
+exports.getEarliestCommonAncestorFrom = getEarliestCommonAncestorFrom;
+exports.getDeepestCommonAncestorFrom = getDeepestCommonAncestorFrom;
+exports.getAncestry = getAncestry;
+exports.isAncestor = isAncestor;
+exports.isDescendant = isDescendant;
+exports.inType = inType;
+exports.inShadow = inShadow;
+
+var _babelTypes = require("babel-types");
+
+var t = _interopRequireWildcard(_babelTypes);
+
+var _index = require("./index");
+
+var _index2 = _interopRequireDefault(_index);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function findParent(callback) {
+ var path = this;
+ while (path = path.parentPath) {
+ if (callback(path)) return path;
+ }
+ return null;
+}
+
+function find(callback) {
+ var path = this;
+ do {
+ if (callback(path)) return path;
+ } while (path = path.parentPath);
+ return null;
+}
+
+function getFunctionParent() {
+ return this.findParent(function (path) {
+ return path.isFunction() || path.isProgram();
+ });
+}
+
+function getStatementParent() {
+ var path = this;
+ do {
+ if (Array.isArray(path.container)) {
+ return path;
+ }
+ } while (path = path.parentPath);
+}
+
+function getEarliestCommonAncestorFrom(paths) {
+ return this.getDeepestCommonAncestorFrom(paths, function (deepest, i, ancestries) {
+ var earliest = void 0;
+ var keys = t.VISITOR_KEYS[deepest.type];
+
+ for (var _iterator = ancestries, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
+ var _ref;
+
+ if (_isArray) {
+ if (_i >= _iterator.length) break;
+ _ref = _iterator[_i++];
+ } else {
+ _i = _iterator.next();
+ if (_i.done) break;
+ _ref = _i.value;
+ }
+
+ var ancestry = _ref;
+
+ var path = ancestry[i + 1];
+
+ if (!earliest) {
+ earliest = path;
+ continue;
+ }
+
+ if (path.listKey && earliest.listKey === path.listKey) {
+ if (path.key < earliest.key) {
+ earliest = path;
+ continue;
+ }
+ }
+
+ var earliestKeyIndex = keys.indexOf(earliest.parentKey);
+ var currentKeyIndex = keys.indexOf(path.parentKey);
+ if (earliestKeyIndex > currentKeyIndex) {
+ earliest = path;
+ }
+ }
+
+ return earliest;
+ });
+}
+
+function getDeepestCommonAncestorFrom(paths, filter) {
+ var _this = this;
+
+ if (!paths.length) {
+ return this;
+ }
+
+ if (paths.length === 1) {
+ return paths[0];
+ }
+
+ var minDepth = Infinity;
+
+ var lastCommonIndex = void 0,
+ lastCommon = void 0;
+
+ var ancestries = paths.map(function (path) {
+ var ancestry = [];
+
+ do {
+ ancestry.unshift(path);
+ } while ((path = path.parentPath) && path !== _this);
+
+ if (ancestry.length < minDepth) {
+ minDepth = ancestry.length;
+ }
+
+ return ancestry;
+ });
+
+ var first = ancestries[0];
+
+ depthLoop: for (var i = 0; i < minDepth; i++) {
+ var shouldMatch = first[i];
+
+ for (var _iterator2 = ancestries, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
+ var _ref2;
+
+ if (_isArray2) {
+ if (_i2 >= _iterator2.length) break;
+ _ref2 = _iterator2[_i2++];
+ } else {
+ _i2 = _iterator2.next();
+ if (_i2.done) break;
+ _ref2 = _i2.value;
+ }
+
+ var ancestry = _ref2;
+
+ if (ancestry[i] !== shouldMatch) {
+ break depthLoop;
+ }
+ }
+
+ lastCommonIndex = i;
+ lastCommon = shouldMatch;
+ }
+
+ if (lastCommon) {
+ if (filter) {
+ return filter(lastCommon, lastCommonIndex, ancestries);
+ } else {
+ return lastCommon;
+ }
+ } else {
+ throw new Error("Couldn't find intersection");
+ }
+}
+
+function getAncestry() {
+ var path = this;
+ var paths = [];
+ do {
+ paths.push(path);
+ } while (path = path.parentPath);
+ return paths;
+}
+
+function isAncestor(maybeDescendant) {
+ return maybeDescendant.isDescendant(this);
+}
+
+function isDescendant(maybeAncestor) {
+ return !!this.findParent(function (parent) {
+ return parent === maybeAncestor;
+ });
+}
+
+function inType() {
+ var path = this;
+ while (path) {
+ for (var _iterator3 = arguments, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
+ var _ref3;
+
+ if (_isArray3) {
+ if (_i3 >= _iterator3.length) break;
+ _ref3 = _iterator3[_i3++];
+ } else {
+ _i3 = _iterator3.next();
+ if (_i3.done) break;
+ _ref3 = _i3.value;
+ }
+
+ var type = _ref3;
+
+ if (path.node.type === type) return true;
+ }
+ path = path.parentPath;
+ }
+
+ return false;
+}
+
+function inShadow(key) {
+ var parentFn = this.isFunction() ? this : this.findParent(function (p) {
+ return p.isFunction();
+ });
+ if (!parentFn) return;
+
+ if (parentFn.isFunctionExpression() || parentFn.isFunctionDeclaration()) {
+ var shadow = parentFn.node.shadow;
+
+ if (shadow && (!key || shadow[key] !== false)) {
+ return parentFn;
+ }
+ } else if (parentFn.isArrowFunctionExpression()) {
+ return parentFn;
+ }
+
+ return null;
+} \ No newline at end of file