typeorm/browser/schema-builder/util/ViewUtils.js

Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.

export class ViewUtils {
    /**
     * Comparator for .sort() that will order views bases on dependencies in creation order
     */
    static viewMetadataCmp(metadataA, metadataB) {
        if (!metadataA || !metadataB) {
            return 0;
        }
        if (metadataA.dependsOn &&
            (metadataA.dependsOn.has(metadataB.target) ||
                metadataA.dependsOn.has(metadataB.name))) {
            return 1;
        }
        if (metadataB.dependsOn &&
            (metadataB.dependsOn.has(metadataA.target) ||
                metadataB.dependsOn.has(metadataA.name))) {
            return -1;
        }
        return 0;
    }
}

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