Change endpoint from persons to people

backend/apis/nodejs/node_modules/knex/lib/knex-builder/make-knex.js

@@ -0,0 +1,345 @@
+const { EventEmitter } = require('events');
+
+const { Migrator } = require('../migrations/migrate/Migrator');
+const Seeder = require('../migrations/seed/Seeder');
+const FunctionHelper = require('./FunctionHelper');
+const QueryInterface = require('../query/method-constants');
+const merge = require('lodash/merge');
+const batchInsert = require('../execution/batch-insert');
+const { isObject } = require('../util/is');
+const { setHiddenProperty } = require('../util/security');
+
+// Javascript does not officially support "callable objects".  Instead,
+// you must create a regular Function and inject properties/methods
+// into it.  In other words: you can't leverage Prototype Inheritance
+// to share the property/method definitions.
+//
+// To work around this, we're creating an Object Property Definition.
+// This allow us to quickly inject everything into the `knex` function
+// via the `Object.defineProperties(..)` function.  More importantly,
+// it allows the same definitions to be shared across `knex` instances.
+const KNEX_PROPERTY_DEFINITIONS = {
+  client: {
+    get() {
+      return this.context.client;
+    },
+    set(client) {
+      this.context.client = client;
+    },
+    configurable: true,
+  },
+
+  userParams: {
+    get() {
+      return this.context.userParams;
+    },
+    set(userParams) {
+      this.context.userParams = userParams;
+    },
+    configurable: true,
+  },
+
+  schema: {
+    get() {
+      return this.client.schemaBuilder();
+    },
+    configurable: true,
+  },
+
+  migrate: {
+    get() {
+      return new Migrator(this);
+    },
+    configurable: true,
+  },
+
+  seed: {
+    get() {
+      return new Seeder(this);
+    },
+    configurable: true,
+  },
+
+  fn: {
+    get() {
+      return new FunctionHelper(this.client);
+    },
+    configurable: true,
+  },
+};
+
+// `knex` instances serve as proxies around `context` objects.  So, calling
+// any of these methods on the `knex` instance will forward the call to
+// the `knex.context` object. This ensures that `this` will correctly refer
+// to `context` within each of these methods.
+const CONTEXT_METHODS = [
+  'raw',
+  'batchInsert',
+  'transaction',
+  'transactionProvider',
+  'initialize',
+  'destroy',
+  'ref',
+  'withUserParams',
+  'queryBuilder',
+  'disableProcessing',
+  'enableProcessing',
+];
+
+for (const m of CONTEXT_METHODS) {
+  KNEX_PROPERTY_DEFINITIONS[m] = {
+    value: function (...args) {
+      return this.context[m](...args);
+    },
+    configurable: true,
+  };
+}
+
+function makeKnex(client) {
+  // The object we're potentially using to kick off an initial chain.
+  function knex(tableName, options) {
+    return createQueryBuilder(knex.context, tableName, options);
+  }
+
+  redefineProperties(knex, client);
+  return knex;
+}
+
+function initContext(knexFn) {
+  const knexContext = knexFn.context || {};
+  Object.assign(knexContext, {
+    queryBuilder() {
+      return this.client.queryBuilder();
+    },
+
+    raw() {
+      return this.client.raw.apply(this.client, arguments);
+    },
+
+    batchInsert(table, batch, chunkSize = 1000) {
+      return batchInsert(this, table, batch, chunkSize);
+    },
+
+    // Creates a new transaction.
+    // If container is provided, returns a promise for when the transaction is resolved.
+    // If container is not provided, returns a promise with a transaction that is resolved
+    // when transaction is ready to be used.
+    transaction(container, _config) {
+      // Overload support of `transaction(config)`
+      if (!_config && isObject(container)) {
+        _config = container;
+        container = null;
+      }
+
+      const config = Object.assign({}, _config);
+      config.userParams = this.userParams || {};
+      if (config.doNotRejectOnRollback === undefined) {
+        config.doNotRejectOnRollback = true;
+      }
+
+      return this._transaction(container, config);
+    },
+
+    // Internal method that actually establishes the Transaction.  It makes no assumptions
+    // about the `config` or `outerTx`, and expects the caller to handle these details.
+    _transaction(container, config, outerTx = null) {
+      if (container) {
+        const trx = this.client.transaction(container, config, outerTx);
+        return trx;
+      } else {
+        return new Promise((resolve, reject) => {
+          this.client.transaction(resolve, config, outerTx).catch(reject);
+        });
+      }
+    },
+
+    transactionProvider(config) {
+      let trx;
+      return () => {
+        if (!trx) {
+          trx = this.transaction(undefined, config);
+        }
+        return trx;
+      };
+    },
+
+    // Typically never needed, initializes the pool for a knex client.
+    initialize(config) {
+      return this.client.initializePool(config);
+    },
+
+    // Convenience method for tearing down the pool.
+    destroy(callback) {
+      return this.client.destroy(callback);
+    },
+
+    ref(ref) {
+      return this.client.ref(ref);
+    },
+
+    // Do not document this as public API until naming and API is improved for general consumption
+    // This method exists to disable processing of internal queries in migrations
+    disableProcessing() {
+      if (this.userParams.isProcessingDisabled) {
+        return;
+      }
+      this.userParams.wrapIdentifier = this.client.config.wrapIdentifier;
+      this.userParams.postProcessResponse =
+        this.client.config.postProcessResponse;
+      this.client.config.wrapIdentifier = null;
+      this.client.config.postProcessResponse = null;
+      this.userParams.isProcessingDisabled = true;
+    },
+
+    // Do not document this as public API until naming and API is improved for general consumption
+    // This method exists to enable execution of non-internal queries with consistent identifier naming in migrations
+    enableProcessing() {
+      if (!this.userParams.isProcessingDisabled) {
+        return;
+      }
+      this.client.config.wrapIdentifier = this.userParams.wrapIdentifier;
+      this.client.config.postProcessResponse =
+        this.userParams.postProcessResponse;
+      this.userParams.isProcessingDisabled = false;
+    },
+
+    withUserParams(params) {
+      const knexClone = shallowCloneFunction(knexFn); // We need to include getters in our clone
+      if (this.client) {
+        knexClone.client = Object.create(this.client.constructor.prototype); // Clone client to avoid leaking listeners that are set on it
+        merge(knexClone.client, this.client);
+        knexClone.client.config = Object.assign({}, this.client.config); // Clone client config to make sure they can be modified independently
+
+        if (this.client.config.password) {
+          setHiddenProperty(knexClone.client.config, this.client.config);
+        }
+      }
+
+      redefineProperties(knexClone, knexClone.client);
+      _copyEventListeners('query', knexFn, knexClone);
+      _copyEventListeners('query-error', knexFn, knexClone);
+      _copyEventListeners('query-response', knexFn, knexClone);
+      _copyEventListeners('start', knexFn, knexClone);
+      knexClone.userParams = params;
+      return knexClone;
+    },
+  });
+
+  if (!knexFn.context) {
+    knexFn.context = knexContext;
+  }
+}
+
+function _copyEventListeners(eventName, sourceKnex, targetKnex) {
+  const listeners = sourceKnex.listeners(eventName);
+  listeners.forEach((listener) => {
+    targetKnex.on(eventName, listener);
+  });
+}
+
+function redefineProperties(knex, client) {
+  // Allow chaining methods from the root object, before
+  // any other information is specified.
+  //
+  // TODO: `QueryBuilder.extend(..)` allows new QueryBuilder
+  //       methods to be introduced via external components.
+  //       As a side-effect, it also pushes the new method names
+  //       into the `QueryInterface` array.
+  //
+  //       The Problem: due to the way the code is currently
+  //       structured, these new methods cannot be retroactively
+  //       injected into existing `knex` instances!  As a result,
+  //       some `knex` instances will support the methods, and
+  //       others will not.
+  //
+  //       We should revisit this once we figure out the desired
+  //       behavior / usage.  For instance: do we really want to
+  //       allow external components to directly manipulate `knex`
+  //       data structures?  Or, should we come up w/ a different
+  //       approach that avoids side-effects / mutation?
+  //
+  //      (FYI: I noticed this issue because I attempted to integrate
+  //       this logic directly into the `KNEX_PROPERTY_DEFINITIONS`
+  //       construction.  However, `KNEX_PROPERTY_DEFINITIONS` is
+  //       constructed before any `knex` instances are created.
+  //       As a result, the method extensions were missing from all
+  //       `knex` instances.)
+  for (let i = 0; i < QueryInterface.length; i++) {
+    const method = QueryInterface[i];
+    knex[method] = function () {
+      const builder = this.queryBuilder();
+      return builder[method].apply(builder, arguments);
+    };
+  }
+
+  Object.defineProperties(knex, KNEX_PROPERTY_DEFINITIONS);
+
+  initContext(knex);
+  knex.client = client;
+  knex.userParams = {};
+
+  // Hook up the "knex" object as an EventEmitter.
+  const ee = new EventEmitter();
+  for (const key in ee) {
+    knex[key] = ee[key];
+  }
+
+  // Unfortunately, something seems to be broken in Node 6 and removing events from a clone also mutates original Knex,
+  // which is highly undesirable
+  if (knex._internalListeners) {
+    knex._internalListeners.forEach(({ eventName, listener }) => {
+      knex.client.removeListener(eventName, listener); // Remove duplicates for copies
+    });
+  }
+  knex._internalListeners = [];
+
+  // Passthrough all "start" and "query" events to the knex object.
+  _addInternalListener(knex, 'start', (obj) => {
+    knex.emit('start', obj);
+  });
+  _addInternalListener(knex, 'query', (obj) => {
+    knex.emit('query', obj);
+  });
+  _addInternalListener(knex, 'query-error', (err, obj) => {
+    knex.emit('query-error', err, obj);
+  });
+  _addInternalListener(knex, 'query-response', (response, obj, builder) => {
+    knex.emit('query-response', response, obj, builder);
+  });
+}
+
+function _addInternalListener(knex, eventName, listener) {
+  knex.client.on(eventName, listener);
+  knex._internalListeners.push({
+    eventName,
+    listener,
+  });
+}
+
+function createQueryBuilder(knexContext, tableName, options) {
+  const qb = knexContext.queryBuilder();
+  if (!tableName)
+    knexContext.client.logger.warn(
+      'calling knex without a tableName is deprecated. Use knex.queryBuilder() instead.'
+    );
+  return tableName ? qb.table(tableName, options) : qb;
+}
+
+function shallowCloneFunction(originalFunction) {
+  const fnContext = Object.create(
+    Object.getPrototypeOf(originalFunction),
+    Object.getOwnPropertyDescriptors(originalFunction)
+  );
+
+  const knexContext = {};
+  const knexFnWrapper = (tableName, options) => {
+    return createQueryBuilder(knexContext, tableName, options);
+  };
+
+  const clonedFunction = knexFnWrapper.bind(fnContext);
+  Object.assign(clonedFunction, originalFunction);
+  clonedFunction.context = knexContext;
+  return clonedFunction;
+}
+
+module.exports = makeKnex;