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"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._containerInsert = _containerInsert; |
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exports._containerInsertAfter = _containerInsertAfter; |
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exports._containerInsertBefore = _containerInsertBefore; |
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exports._verifyNodeList = _verifyNodeList; |
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exports.insertAfter = insertAfter; |
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exports.insertBefore = insertBefore; |
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exports.pushContainer = pushContainer; |
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exports.unshiftContainer = unshiftContainer; |
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exports.updateSiblingKeys = updateSiblingKeys; |
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var _cache = require("../cache.js"); |
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var _index = require("./index.js"); |
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var _context = require("./context.js"); |
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var _removal = require("./removal.js"); |
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var _t = require("@babel/types"); |
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var _hoister = require("./lib/hoister.js"); |
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const { |
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arrowFunctionExpression, |
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assertExpression, |
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assignmentExpression, |
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blockStatement, |
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callExpression, |
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cloneNode, |
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expressionStatement, |
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isAssignmentExpression, |
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isCallExpression, |
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isExportNamedDeclaration, |
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isExpression, |
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isIdentifier, |
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isSequenceExpression, |
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isSuper, |
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thisExpression |
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} = _t; |
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function insertBefore(nodes_) { |
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_removal._assertUnremoved.call(this); |
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const nodes = _verifyNodeList.call(this, nodes_); |
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const { |
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parentPath, |
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parent |
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} = this; |
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if (parentPath.isExpressionStatement() || parentPath.isLabeledStatement() || isExportNamedDeclaration(parent) || parentPath.isExportDefaultDeclaration() && this.isDeclaration()) { |
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return parentPath.insertBefore(nodes); |
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} else if (this.isNodeType("Expression") && !this.isJSXElement() || parentPath.isForStatement() && this.key === "init") { |
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if (this.node) nodes.push(this.node); |
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return this.replaceExpressionWithStatements(nodes); |
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} else if (Array.isArray(this.container)) { |
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return _containerInsertBefore.call(this, nodes); |
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} else if (this.isStatementOrBlock()) { |
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const node = this.node; |
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const shouldInsertCurrentNode = node && (!this.isExpressionStatement() || node.expression != null); |
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const [blockPath] = this.replaceWith(blockStatement(shouldInsertCurrentNode ? [node] : [])); |
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return blockPath.unshiftContainer("body", nodes); |
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} else { |
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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?"); |
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} |
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} |
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function _containerInsert(from, nodes) { |
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updateSiblingKeys.call(this, from, nodes.length); |
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const paths = []; |
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this.container.splice(from, 0, ...nodes); |
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for (let i = 0; i < nodes.length; i++) { |
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var _this$context; |
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const to = from + i; |
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const path = this.getSibling(to); |
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paths.push(path); |
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if ((_this$context = this.context) != null && _this$context.queue) { |
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_context.pushContext.call(path, this.context); |
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} |
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} |
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const contexts = _context._getQueueContexts.call(this); |
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for (const path of paths) { |
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_context.setScope.call(path); |
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path.debug("Inserted."); |
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for (const context of contexts) { |
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context.maybeQueue(path, true); |
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} |
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} |
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return paths; |
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} |
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function _containerInsertBefore(nodes) { |
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return _containerInsert.call(this, this.key, nodes); |
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} |
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function _containerInsertAfter(nodes) { |
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return _containerInsert.call(this, this.key + 1, nodes); |
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} |
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const last = arr => arr[arr.length - 1]; |
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function isHiddenInSequenceExpression(path) { |
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return isSequenceExpression(path.parent) && (last(path.parent.expressions) !== path.node || isHiddenInSequenceExpression(path.parentPath)); |
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} |
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function isAlmostConstantAssignment(node, scope) { |
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if (!isAssignmentExpression(node) || !isIdentifier(node.left)) { |
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return false; |
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} |
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const blockScope = scope.getBlockParent(); |
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return blockScope.hasOwnBinding(node.left.name) && blockScope.getOwnBinding(node.left.name).constantViolations.length <= 1; |
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} |
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function insertAfter(nodes_) { |
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_removal._assertUnremoved.call(this); |
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if (this.isSequenceExpression()) { |
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return last(this.get("expressions")).insertAfter(nodes_); |
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} |
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const nodes = _verifyNodeList.call(this, nodes_); |
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const { |
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parentPath, |
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parent |
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} = this; |
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if (parentPath.isExpressionStatement() || parentPath.isLabeledStatement() || isExportNamedDeclaration(parent) || parentPath.isExportDefaultDeclaration() && this.isDeclaration()) { |
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return parentPath.insertAfter(nodes.map(node => { |
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return isExpression(node) ? expressionStatement(node) : node; |
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})); |
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} else if (this.isNodeType("Expression") && !this.isJSXElement() && !parentPath.isJSXElement() || parentPath.isForStatement() && this.key === "init") { |
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const self = this; |
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if (self.node) { |
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const node = self.node; |
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let { |
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scope |
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} = this; |
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if (scope.path.isPattern()) { |
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assertExpression(node); |
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self.replaceWith(callExpression(arrowFunctionExpression([], node), [])); |
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self.get("callee.body").insertAfter(nodes); |
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return [self]; |
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} |
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if (isHiddenInSequenceExpression(self)) { |
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nodes.unshift(node); |
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} else if (isCallExpression(node) && isSuper(node.callee)) { |
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nodes.unshift(node); |
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nodes.push(thisExpression()); |
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} else if (isAlmostConstantAssignment(node, scope)) { |
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nodes.unshift(node); |
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nodes.push(cloneNode(node.left)); |
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} else if (scope.isPure(node, true)) { |
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nodes.push(node); |
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} else { |
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if (parentPath.isMethod({ |
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computed: true, |
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key: node |
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})) { |
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scope = scope.parent; |
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} |
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const temp = scope.generateDeclaredUidIdentifier(); |
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nodes.unshift(expressionStatement(assignmentExpression("=", cloneNode(temp), node))); |
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nodes.push(expressionStatement(cloneNode(temp))); |
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} |
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} |
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return this.replaceExpressionWithStatements(nodes); |
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} else if (Array.isArray(this.container)) { |
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return _containerInsertAfter.call(this, nodes); |
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} else if (this.isStatementOrBlock()) { |
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const node = this.node; |
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const shouldInsertCurrentNode = node && (!this.isExpressionStatement() || node.expression != null); |
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const [blockPath] = this.replaceWith(blockStatement(shouldInsertCurrentNode ? [node] : [])); |
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return blockPath.pushContainer("body", nodes); |
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} else { |
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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?"); |
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} |
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} |
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function updateSiblingKeys(fromIndex, incrementBy) { |
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if (!this.parent) return; |
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const paths = (0, _cache.getCachedPaths)(this); |
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if (!paths) return; |
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for (const [, path] of paths) { |
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if (typeof path.key === "number" && path.container === this.container && path.key >= fromIndex) { |
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path.key += incrementBy; |
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} |
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} |
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} |
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function _verifyNodeList(nodes) { |
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if (!nodes) { |
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return []; |
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} |
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if (!Array.isArray(nodes)) { |
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nodes = [nodes]; |
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} |
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for (let i = 0; i < nodes.length; i++) { |
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const node = nodes[i]; |
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let msg; |
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if (!node) { |
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msg = "has falsy node"; |
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} else if (typeof node !== "object") { |
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msg = "contains a non-object node"; |
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} else if (!node.type) { |
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msg = "without a type"; |
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} else if (node instanceof _index.default) { |
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msg = "has a NodePath when it expected a raw object"; |
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} |
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if (msg) { |
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const type = Array.isArray(node) ? "array" : typeof node; |
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throw new Error(`Node list ${msg} with the index of ${i} and type of ${type}`); |
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} |
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} |
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return nodes; |
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} |
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function unshiftContainer(listKey, nodes) { |
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_removal._assertUnremoved.call(this); |
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const verifiedNodes = _verifyNodeList.call(this, nodes); |
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const container = this.node[listKey]; |
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const path = _index.default.get({ |
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parentPath: this, |
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parent: this.node, |
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container, |
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listKey, |
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key: 0 |
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}).setContext(this.context); |
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return _containerInsertBefore.call(path, verifiedNodes); |
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} |
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function pushContainer(listKey, nodes) { |
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_removal._assertUnremoved.call(this); |
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const verifiedNodes = _verifyNodeList.call(this, nodes); |
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const container = this.node[listKey]; |
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const path = _index.default.get({ |
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parentPath: this, |
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parent: this.node, |
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container, |
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listKey, |
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key: container.length |
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}).setContext(this.context); |
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return path.replaceWithMultiple(verifiedNodes); |
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} |
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{ |
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exports.hoist = function hoist(scope = this.scope) { |
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const hoister = new _hoister.default(this, scope); |
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return hoister.run(); |
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}; |
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} |
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