diff options
Diffstat (limited to 'node_modules/@babel/traverse/lib/path/modification.js')
| -rw-r--r-- | node_modules/@babel/traverse/lib/path/modification.js | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/node_modules/@babel/traverse/lib/path/modification.js b/node_modules/@babel/traverse/lib/path/modification.js new file mode 100644 index 00000000..946dceb2 --- /dev/null +++ b/node_modules/@babel/traverse/lib/path/modification.js @@ -0,0 +1,227 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.insertBefore = insertBefore; +exports._containerInsert = _containerInsert; +exports._containerInsertBefore = _containerInsertBefore; +exports._containerInsertAfter = _containerInsertAfter; +exports.insertAfter = insertAfter; +exports.updateSiblingKeys = updateSiblingKeys; +exports._verifyNodeList = _verifyNodeList; +exports.unshiftContainer = unshiftContainer; +exports.pushContainer = pushContainer; +exports.hoist = hoist; + +var _cache = require("../cache"); + +var _hoister = _interopRequireDefault(require("./lib/hoister")); + +var _index = _interopRequireDefault(require("./index")); + +function t() { + const data = _interopRequireWildcard(require("@babel/types")); + + t = function t() { + return data; + }; + + return data; +} + +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)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } } + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +function insertBefore(nodes) { + this._assertUnremoved(); + + nodes = this._verifyNodeList(nodes); + const parentPath = this.parentPath; + + if (parentPath.isExpressionStatement() || parentPath.isLabeledStatement() || parentPath.isExportNamedDeclaration() || parentPath.isExportDefaultDeclaration() && this.isDeclaration()) { + return parentPath.insertBefore(nodes); + } else if (this.isNodeType("Expression") && this.listKey !== "params" && this.listKey !== "arguments" || parentPath.isForStatement() && this.key === "init") { + if (this.node) nodes.push(this.node); + return this.replaceExpressionWithStatements(nodes); + } else if (Array.isArray(this.container)) { + return this._containerInsertBefore(nodes); + } else if (this.isStatementOrBlock()) { + const shouldInsertCurrentNode = this.node && (!this.isExpressionStatement() || this.node.expression != null); + this.replaceWith(t().blockStatement(shouldInsertCurrentNode ? [this.node] : [])); + return this.unshiftContainer("body", nodes); + } else { + throw new Error("We don't know what to do with this node type. " + "We were previously a Statement but we can't fit in here?"); + } +} + +function _containerInsert(from, nodes) { + this.updateSiblingKeys(from, nodes.length); + const paths = []; + this.container.splice(from, 0, ...nodes); + + for (let i = 0; i < nodes.length; i++) { + const to = from + i; + const path = this.getSibling(to); + paths.push(path); + + if (this.context && this.context.queue) { + path.pushContext(this.context); + } + } + + const contexts = this._getQueueContexts(); + + for (var _i = 0; _i < paths.length; _i++) { + const path = paths[_i]; + path.setScope(); + path.debug("Inserted."); + + for (var _iterator = contexts, _isArray = Array.isArray(_iterator), _i2 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { + var _ref; + + if (_isArray) { + if (_i2 >= _iterator.length) break; + _ref = _iterator[_i2++]; + } else { + _i2 = _iterator.next(); + if (_i2.done) break; + _ref = _i2.value; + } + + const context = _ref; + context.maybeQueue(path, true); + } + } + + return paths; +} + +function _containerInsertBefore(nodes) { + return this._containerInsert(this.key, nodes); +} + +function _containerInsertAfter(nodes) { + return this._containerInsert(this.key + 1, nodes); +} + +function insertAfter(nodes) { + this._assertUnremoved(); + + nodes = this._verifyNodeList(nodes); + const parentPath = this.parentPath; + + if (parentPath.isExpressionStatement() || parentPath.isLabeledStatement() || parentPath.isExportNamedDeclaration() || parentPath.isExportDefaultDeclaration() && this.isDeclaration()) { + return parentPath.insertAfter(nodes); + } else if (this.isNodeType("Expression") || parentPath.isForStatement() && this.key === "init") { + if (this.node) { + let scope = this.scope; + + if (parentPath.isMethod({ + computed: true, + key: this.node + })) { + scope = scope.parent; + } + + const temp = scope.generateDeclaredUidIdentifier(); + nodes.unshift(t().expressionStatement(t().assignmentExpression("=", t().cloneNode(temp), this.node))); + nodes.push(t().expressionStatement(t().cloneNode(temp))); + } + + return this.replaceExpressionWithStatements(nodes); + } else if (Array.isArray(this.container)) { + return this._containerInsertAfter(nodes); + } else if (this.isStatementOrBlock()) { + const shouldInsertCurrentNode = this.node && (!this.isExpressionStatement() || this.node.expression != null); + this.replaceWith(t().blockStatement(shouldInsertCurrentNode ? [this.node] : [])); + return this.pushContainer("body", nodes); + } else { + throw new Error("We don't know what to do with this node type. " + "We were previously a Statement but we can't fit in here?"); + } +} + +function updateSiblingKeys(fromIndex, incrementBy) { + if (!this.parent) return; + + const paths = _cache.path.get(this.parent); + + for (let i = 0; i < paths.length; i++) { + const path = paths[i]; + + if (path.key >= fromIndex) { + path.key += incrementBy; + } + } +} + +function _verifyNodeList(nodes) { + if (!nodes) { + return []; + } + + if (nodes.constructor !== Array) { + nodes = [nodes]; + } + + for (let i = 0; i < nodes.length; i++) { + const node = nodes[i]; + let msg; + + if (!node) { + msg = "has falsy node"; + } else if (typeof node !== "object") { + msg = "contains a non-object node"; + } else if (!node.type) { + msg = "without a type"; + } else if (node instanceof _index.default) { + msg = "has a NodePath when it expected a raw object"; + } + + if (msg) { + const type = Array.isArray(node) ? "array" : typeof node; + throw new Error(`Node list ${msg} with the index of ${i} and type of ${type}`); + } + } + + return nodes; +} + +function unshiftContainer(listKey, nodes) { + this._assertUnremoved(); + + nodes = this._verifyNodeList(nodes); + + const path = _index.default.get({ + parentPath: this, + parent: this.node, + container: this.node[listKey], + listKey, + key: 0 + }); + + return path.insertBefore(nodes); +} + +function pushContainer(listKey, nodes) { + this._assertUnremoved(); + + nodes = this._verifyNodeList(nodes); + const container = this.node[listKey]; + + const path = _index.default.get({ + parentPath: this, + parent: this.node, + container: container, + listKey, + key: container.length + }); + + return path.replaceWithMultiple(nodes); +} + +function hoist(scope = this.scope) { + const hoister = new _hoister.default(this, scope); + return hoister.run(); +}
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