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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/babel-traverse/lib/path/ancestry.js | |
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api, login, auth
Diffstat (limited to 'node_modules/babel-traverse/lib/path/ancestry.js')
-rw-r--r-- | node_modules/babel-traverse/lib/path/ancestry.js | 238 |
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 new file mode 100644 index 0000000..2a8c322 --- /dev/null +++ b/node_modules/babel-traverse/lib/path/ancestry.js @@ -0,0 +1,238 @@ +"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; +}
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