This app provides monitoring and information features for the common freifunk user and the technical stuff of a freifunk community.
Code base is taken from a TUM Practical Course project and added here to see if Freifunk Altdorf can use it.
https://www.freifunk-altdorf.de
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85 lines
2.9 KiB
85 lines
2.9 KiB
"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.default = simplifyAccess; |
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function t() { |
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const data = _interopRequireWildcard(require("@babel/types")); |
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t = function () { |
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return data; |
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}; |
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return data; |
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} |
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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; } } |
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function simplifyAccess(path, bindingNames) { |
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path.traverse(simpleAssignmentVisitor, { |
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scope: path.scope, |
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bindingNames, |
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seen: new WeakSet() |
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}); |
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} |
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const simpleAssignmentVisitor = { |
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UpdateExpression: { |
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exit(path) { |
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const { |
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scope, |
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bindingNames |
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} = this; |
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const arg = path.get("argument"); |
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if (!arg.isIdentifier()) return; |
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const localName = arg.node.name; |
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if (!bindingNames.has(localName)) return; |
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if (scope.getBinding(localName) !== path.scope.getBinding(localName)) { |
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return; |
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} |
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if (path.parentPath.isExpressionStatement() && !path.isCompletionRecord()) { |
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const operator = path.node.operator == "++" ? "+=" : "-="; |
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path.replaceWith(t().assignmentExpression(operator, arg.node, t().numericLiteral(1))); |
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} else if (path.node.prefix) { |
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path.replaceWith(t().assignmentExpression("=", t().identifier(localName), t().binaryExpression(path.node.operator[0], t().unaryExpression("+", arg.node), t().numericLiteral(1)))); |
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} else { |
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const old = path.scope.generateUidIdentifierBasedOnNode(arg.node, "old"); |
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const varName = old.name; |
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path.scope.push({ |
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id: old |
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}); |
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const binary = t().binaryExpression(path.node.operator[0], t().identifier(varName), t().numericLiteral(1)); |
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path.replaceWith(t().sequenceExpression([t().assignmentExpression("=", t().identifier(varName), t().unaryExpression("+", arg.node)), t().assignmentExpression("=", t().cloneNode(arg.node), binary), t().identifier(varName)])); |
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} |
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} |
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}, |
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AssignmentExpression: { |
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exit(path) { |
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const { |
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scope, |
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seen, |
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bindingNames |
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} = this; |
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if (path.node.operator === "=") return; |
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if (seen.has(path.node)) return; |
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seen.add(path.node); |
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const left = path.get("left"); |
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if (!left.isIdentifier()) return; |
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const localName = left.node.name; |
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if (!bindingNames.has(localName)) return; |
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if (scope.getBinding(localName) !== path.scope.getBinding(localName)) { |
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return; |
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} |
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path.node.right = t().binaryExpression(path.node.operator.slice(0, -1), t().cloneNode(path.node.left), path.node.right); |
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path.node.operator = "="; |
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} |
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} |
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}; |