8 lines
3.0 KiB
Plaintext
8 lines
3.0 KiB
Plaintext
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{
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"version": 3,
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"sources": ["../../src/associations/helpers.js"],
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"sourcesContent": ["'use strict';\n\nfunction checkNamingCollision(association) {\n if (Object.prototype.hasOwnProperty.call(association.source.rawAttributes, association.as)) {\n throw new Error(\n `Naming collision between attribute '${association.as}'` +\n ` and association '${association.as}' on model ${association.source.name}` +\n '. To remedy this, change either foreignKey or as in your association definition'\n );\n }\n}\nexports.checkNamingCollision = checkNamingCollision;\n\nfunction addForeignKeyConstraints(newAttribute, source, target, options, key) {\n // FK constraints are opt-in: users must either set `foreignKeyConstraints`\n // on the association, or request an `onDelete` or `onUpdate` behavior\n\n if (options.foreignKeyConstraint || options.onDelete || options.onUpdate) {\n // Find primary keys: composite keys not supported with this approach\n const primaryKeys = Object.keys(source.primaryKeys)\n .map(primaryKeyAttribute => source.rawAttributes[primaryKeyAttribute].field || primaryKeyAttribute);\n\n if (primaryKeys.length === 1 || !primaryKeys.includes(key)) {\n newAttribute.references = {\n model: source.getTableName(),\n key: key || primaryKeys[0]\n };\n\n newAttribute.onDelete = options.onDelete;\n newAttribute.onUpdate = options.onUpdate;\n }\n }\n}\nexports.addForeignKeyConstraints = addForeignKeyConstraints;\n\n/**\n * Mixin (inject) association methods to model prototype\n *\n * @private\n *\n * @param {object} association instance\n * @param {object} obj Model prototype\n * @param {Array} methods Method names to inject\n * @param {object} aliases Mapping between model and association method names\n *\n */\nfunction mixinMethods(association, obj, methods, aliases) {\n aliases = aliases || {};\n\n for (const method of methods) {\n // don't override custom methods\n if (!Object.prototype.hasOwnProperty.call(obj, association.accessors[method])) {\n const realMethod = aliases[method] || method;\n\n obj[association.accessors[method]] = function() {\n return association[realMethod](this, ...Array.from(arguments));\n };\n }\n }\n}\nexports.mixinMethods = mixinMethods;\n"],
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"names": []
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}
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