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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133 lines
4.3 KiB
133 lines
4.3 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 = populatePlaceholders; |
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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 populatePlaceholders(metadata, replacements) { |
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const ast = t().cloneNode(metadata.ast); |
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if (replacements) { |
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metadata.placeholders.forEach(placeholder => { |
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if (!Object.prototype.hasOwnProperty.call(replacements, placeholder.name)) { |
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const placeholderName = placeholder.name; |
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throw new Error(`Error: No substitution given for "${placeholderName}". If this is not meant to be a |
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placeholder you may want to consider passing one of the following options to @babel/template: |
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- { placeholderPattern: false, placeholderWhitelist: new Set(['${placeholderName}'])} |
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- { placeholderPattern: /^${placeholderName}$/ }`); |
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} |
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}); |
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Object.keys(replacements).forEach(key => { |
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if (!metadata.placeholderNames.has(key)) { |
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throw new Error(`Unknown substitution "${key}" given`); |
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} |
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}); |
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} |
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metadata.placeholders.slice().reverse().forEach(placeholder => { |
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try { |
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applyReplacement(placeholder, ast, replacements && replacements[placeholder.name] || null); |
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} catch (e) { |
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e.message = `@babel/template placeholder "${placeholder.name}": ${e.message}`; |
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throw e; |
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} |
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}); |
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return ast; |
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} |
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function applyReplacement(placeholder, ast, replacement) { |
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if (placeholder.isDuplicate) { |
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if (Array.isArray(replacement)) { |
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replacement = replacement.map(node => t().cloneNode(node)); |
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} else if (typeof replacement === "object") { |
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replacement = t().cloneNode(replacement); |
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} |
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} |
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const { |
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parent, |
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key, |
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index |
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} = placeholder.resolve(ast); |
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if (placeholder.type === "string") { |
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if (typeof replacement === "string") { |
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replacement = t().stringLiteral(replacement); |
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} |
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if (!replacement || !t().isStringLiteral(replacement)) { |
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throw new Error("Expected string substitution"); |
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} |
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} else if (placeholder.type === "statement") { |
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if (index === undefined) { |
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if (!replacement) { |
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replacement = t().emptyStatement(); |
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} else if (Array.isArray(replacement)) { |
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replacement = t().blockStatement(replacement); |
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} else if (typeof replacement === "string") { |
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replacement = t().expressionStatement(t().identifier(replacement)); |
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} else if (!t().isStatement(replacement)) { |
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replacement = t().expressionStatement(replacement); |
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} |
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} else { |
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if (replacement && !Array.isArray(replacement)) { |
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if (typeof replacement === "string") { |
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replacement = t().identifier(replacement); |
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} |
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if (!t().isStatement(replacement)) { |
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replacement = t().expressionStatement(replacement); |
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} |
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} |
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} |
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} else if (placeholder.type === "param") { |
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if (typeof replacement === "string") { |
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replacement = t().identifier(replacement); |
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} |
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if (index === undefined) throw new Error("Assertion failure."); |
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} else { |
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if (typeof replacement === "string") { |
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replacement = t().identifier(replacement); |
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} |
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if (Array.isArray(replacement)) { |
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throw new Error("Cannot replace single expression with an array."); |
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} |
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} |
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if (index === undefined) { |
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t().validate(parent, key, replacement); |
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parent[key] = replacement; |
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} else { |
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const items = parent[key].slice(); |
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if (placeholder.type === "statement" || placeholder.type === "param") { |
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if (replacement == null) { |
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items.splice(index, 1); |
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} else if (Array.isArray(replacement)) { |
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items.splice(index, 1, ...replacement); |
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} else { |
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items[index] = replacement; |
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} |
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} else { |
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items[index] = replacement; |
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} |
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t().validate(parent, key, items); |
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parent[key] = items; |
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} |
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} |