Created
October 14, 2018 12:54
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TypeORM ormconfig.json loader
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const glob = require('glob'); | |
const jsValidJson = (value) => JSON.stringify(value) | |
.replace(/\u2028/g, '\\u2028') | |
.replace(/\u2029/g, '\\u2029'); | |
module.exports = function(source) { | |
const obj = typeof source === 'string' ? JSON.parse(source) : source; | |
// loadFileClasses is copied from TypeORM, MIT License, Copyright (c) 2015-2016 Yakdu. http://typeorm.github.io | |
// https://github.com/typeorm/typeorm/blob/master/src/util/DirectoryExportedClassesLoader.ts#L9 | |
return ` | |
var typeorm = require('typeorm'); | |
function loadFileClasses(exported, allLoaded) { | |
if (typeof exported === "function" || exported instanceof typeorm.EntitySchema) { | |
allLoaded.push(exported); | |
} | |
else if (Array.isArray(exported)) { | |
exported.forEach(function (i) { return loadFileClasses(i, allLoaded); }); | |
} | |
else if (typeof exported === "object") { | |
Object.keys(exported).forEach(function (key) { return loadFileClasses(exported[key], allLoaded); }); | |
} | |
return allLoaded; | |
} | |
module.exports = { ${ Object.keys(obj).map(key => { | |
let value = obj[key]; | |
let stringified = false; | |
if (key === 'entities') { | |
let array = []; | |
value.forEach(pattern => glob.sync(pattern).forEach(entity => { | |
this.addDependency(entity); | |
array.push(`require(${jsValidJson(entity)})`); | |
})) | |
value = `loadFileClasses([${array.join(', ')}], [])`; | |
stringified = true; | |
} | |
if (!stringified) { | |
value = jsValidJson(value); | |
} | |
return `${jsValidJson(key)}: ${value}` | |
}).join(', ') } };`; | |
} |
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module.exports = { | |
module: { | |
rules: [{ | |
test: /ormconfig\.json/, | |
type: 'javascript/auto', | |
loader: path.resolve('ormconfig-loader.js') | |
}] | |
} | |
// ... | |
} |
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