@magic-mustard/sqlsync
Version:
SQLSync simplifies database schema evolution by allowing a declarative approach to table management
109 lines (108 loc) • 4.76 kB
JavaScript
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.SqlFiles = void 0;
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
/**
* SqlFiles manages the ordered traversal of SQL files based on the structure provided by FileLoader.
* It provides a 'next()' method to retrieve the next file in the specified order.
*/
class SqlFiles {
constructor(schemaStructure) {
this.schemaStructure = schemaStructure;
this.currentCategoryIndex = 0;
this.currentIndex = {};
this.currentSubIndex = {};
this.categories = [];
this.categories = Object.entries(schemaStructure)
.filter(([key, value]) => value && typeof value === 'object' && 'order' in value && Array.isArray(value.order))
.map(([key]) => key);
if (schemaStructure['schema'] && 'order' in schemaStructure['schema'] && Array.isArray(schemaStructure['schema'].order) && !this.categories.includes('schema')) {
this.categories.unshift('schema');
}
}
/**
* Retrieves the next file in the ordered structure.
* @returns SqlFileDetails of the next file, or null if there are no more files.
*/
next() {
while (this.currentCategoryIndex < this.categories.length) {
const category = this.categories[this.currentCategoryIndex];
const categoryData = this.schemaStructure[category];
const orderList = categoryData.order || [];
if (this.currentIndex[category] === undefined) {
this.currentIndex[category] = 0;
this.currentSubIndex[category] = 0;
}
if (this.currentIndex[category] < orderList.length) {
const itemPath = orderList[this.currentIndex[category]];
if (fs.statSync(itemPath).isDirectory()) {
const subDirOrder = categoryData.orderedSubdirectoryFileOrder || [];
while (this.currentSubIndex[category] < subDirOrder.length) {
const subItem = subDirOrder[this.currentSubIndex[category]];
const subItemPath = path.join(itemPath, subItem);
if (fs.existsSync(subItemPath) && fs.statSync(subItemPath).isFile() && subItem.endsWith('.sql')) {
this.currentSubIndex[category]++;
return {
location: subItemPath,
contents: fs.readFileSync(subItemPath, 'utf8'),
};
}
else {
this.currentSubIndex[category]++;
}
}
this.currentSubIndex[category] = 0;
this.currentIndex[category]++;
}
else {
this.currentIndex[category]++;
return {
location: itemPath,
contents: fs.readFileSync(itemPath, 'utf8'),
};
}
}
else {
this.currentCategoryIndex++;
this.currentIndex[category] = 0;
this.currentSubIndex[category] = 0;
}
}
return null;
}
}
exports.SqlFiles = SqlFiles;