20 lines
723 B
JavaScript
20 lines
723 B
JavaScript
import _ from "lodash";
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/**
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* Resolve a table's effective definition. Tables with `parentTableName`
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* take their structure from the parent. Always returns a copy: the schema
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* objects are never mutated.
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*/
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export default function resolveTable({ table, db_schema, }) {
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if (!table.parentTableName) {
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return _.cloneDeep(table);
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}
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const parent_table = db_schema.tables.find((t) => t.tableName === table.parentTableName);
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if (!parent_table) {
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throw new Error(`Parent table \`${table.parentTableName}\` not found for \`${table.tableName}\``);
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}
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return _.merge(_.cloneDeep(parent_table), {
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tableName: table.tableName,
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tableDescription: table.tableDescription,
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});
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}
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