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					161 lines
				
				4.8 KiB
			
		
		
			
		
	
	
					161 lines
				
				4.8 KiB
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											3 years ago
										 
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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.nodes = void 0;
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								var _t = require("@babel/types");
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								const {
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								  FLIPPED_ALIAS_KEYS,
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								  isArrayExpression,
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								  isAssignmentExpression,
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								  isBinary,
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								  isBlockStatement,
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								  isCallExpression,
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								  isFunction,
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								  isIdentifier,
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								  isLiteral,
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								  isMemberExpression,
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								  isObjectExpression,
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								  isOptionalCallExpression,
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								  isOptionalMemberExpression,
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								  isStringLiteral
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								} = _t;
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								function crawlInternal(node, state) {
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								  if (!node) return state;
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								  if (isMemberExpression(node) || isOptionalMemberExpression(node)) {
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								    crawlInternal(node.object, state);
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								    if (node.computed) crawlInternal(node.property, state);
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								  } else if (isBinary(node) || isAssignmentExpression(node)) {
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								    crawlInternal(node.left, state);
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								    crawlInternal(node.right, state);
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								  } else if (isCallExpression(node) || isOptionalCallExpression(node)) {
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								    state.hasCall = true;
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								    crawlInternal(node.callee, state);
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								  } else if (isFunction(node)) {
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								    state.hasFunction = true;
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								  } else if (isIdentifier(node)) {
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								    state.hasHelper =
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								    state.hasHelper || node.callee && isHelper(node.callee);
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								  }
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								  return state;
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								}
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								function crawl(node) {
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								  return crawlInternal(node, {
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								    hasCall: false,
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								    hasFunction: false,
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								    hasHelper: false
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								  });
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								}
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								function isHelper(node) {
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								  if (!node) return false;
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								  if (isMemberExpression(node)) {
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								    return isHelper(node.object) || isHelper(node.property);
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								  } else if (isIdentifier(node)) {
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								    return node.name === "require" || node.name.charCodeAt(0) === 95;
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								  } else if (isCallExpression(node)) {
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								    return isHelper(node.callee);
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								  } else if (isBinary(node) || isAssignmentExpression(node)) {
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								    return isIdentifier(node.left) && isHelper(node.left) || isHelper(node.right);
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								  } else {
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								    return false;
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								  }
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								}
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								function isType(node) {
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								  return isLiteral(node) || isObjectExpression(node) || isArrayExpression(node) || isIdentifier(node) || isMemberExpression(node);
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								}
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								const nodes = {
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								  AssignmentExpression(node) {
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								    const state = crawl(node.right);
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								    if (state.hasCall && state.hasHelper || state.hasFunction) {
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								      return state.hasFunction ? 1 | 2 : 2;
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								    }
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								  },
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								  SwitchCase(node, parent) {
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								    return (!!node.consequent.length || parent.cases[0] === node ? 1 : 0) | (!node.consequent.length && parent.cases[parent.cases.length - 1] === node ? 2 : 0);
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								  },
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								  LogicalExpression(node) {
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								    if (isFunction(node.left) || isFunction(node.right)) {
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								      return 2;
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								    }
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								  },
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								  Literal(node) {
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								    if (isStringLiteral(node) && node.value === "use strict") {
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								      return 2;
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								    }
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								  },
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								  CallExpression(node) {
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								    if (isFunction(node.callee) || isHelper(node)) {
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								      return 1 | 2;
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								    }
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								  },
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								  OptionalCallExpression(node) {
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								    if (isFunction(node.callee)) {
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								      return 1 | 2;
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								    }
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								  },
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								  VariableDeclaration(node) {
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								    for (let i = 0; i < node.declarations.length; i++) {
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								      const declar = node.declarations[i];
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								      let enabled = isHelper(declar.id) && !isType(declar.init);
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								      if (!enabled && declar.init) {
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								        const state = crawl(declar.init);
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								        enabled = isHelper(declar.init) && state.hasCall || state.hasFunction;
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								      }
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								      if (enabled) {
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								        return 1 | 2;
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								      }
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								    }
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								  },
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								  IfStatement(node) {
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								    if (isBlockStatement(node.consequent)) {
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								      return 1 | 2;
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								    }
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								  }
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								};
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								exports.nodes = nodes;
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								nodes.ObjectProperty = nodes.ObjectTypeProperty = nodes.ObjectMethod = function (node, parent) {
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								  if (parent.properties[0] === node) {
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								    return 1;
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								  }
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								};
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								nodes.ObjectTypeCallProperty = function (node, parent) {
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								  var _parent$properties;
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								  if (parent.callProperties[0] === node && !((_parent$properties = parent.properties) != null && _parent$properties.length)) {
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								    return 1;
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								  }
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								};
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								nodes.ObjectTypeIndexer = function (node, parent) {
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								  var _parent$properties2, _parent$callPropertie;
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								  if (parent.indexers[0] === node && !((_parent$properties2 = parent.properties) != null && _parent$properties2.length) && !((_parent$callPropertie = parent.callProperties) != null && _parent$callPropertie.length)) {
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								    return 1;
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								  }
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								};
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								nodes.ObjectTypeInternalSlot = function (node, parent) {
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								  var _parent$properties3, _parent$callPropertie2, _parent$indexers;
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								  if (parent.internalSlots[0] === node && !((_parent$properties3 = parent.properties) != null && _parent$properties3.length) && !((_parent$callPropertie2 = parent.callProperties) != null && _parent$callPropertie2.length) && !((_parent$indexers = parent.indexers) != null && _parent$indexers.length)) {
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								    return 1;
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								  }
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								};
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								[["Function", true], ["Class", true], ["Loop", true], ["LabeledStatement", true], ["SwitchStatement", true], ["TryStatement", true]].forEach(function ([type, amounts]) {
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								  [type].concat(FLIPPED_ALIAS_KEYS[type] || []).forEach(function (type) {
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								    const ret = amounts ? 1 | 2 : 0;
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								    nodes[type] = () => ret;
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								  });
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								});
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								//# sourceMappingURL=whitespace.js.map
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