init
This commit is contained in:
commit
c923785a90
11 changed files with 841 additions and 0 deletions
3
.gitignore
vendored
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3
.gitignore
vendored
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@ -0,0 +1,3 @@
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dist
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node_modules
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test.ts
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0
.npmignore
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0
.npmignore
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506
package-lock.json
generated
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506
package-lock.json
generated
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@ -0,0 +1,506 @@
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"integrity": "sha512-zBn9MeCwT7W5F1a3lXClD61ip6vQM+H8Msb0w8zMT4ZKBpDg+rFAraNyWCDelB/2L6M3g6AXHPnsyvjMFnxtFw==",
|
||||
"dev": true,
|
||||
"hasInstallScript": true,
|
||||
"bin": {
|
||||
"esbuild": "bin/esbuild"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
},
|
||||
"optionalDependencies": {
|
||||
"@esbuild/android-arm": "0.17.4",
|
||||
"@esbuild/android-arm64": "0.17.4",
|
||||
"@esbuild/android-x64": "0.17.4",
|
||||
"@esbuild/darwin-arm64": "0.17.4",
|
||||
"@esbuild/darwin-x64": "0.17.4",
|
||||
"@esbuild/freebsd-arm64": "0.17.4",
|
||||
"@esbuild/freebsd-x64": "0.17.4",
|
||||
"@esbuild/linux-arm": "0.17.4",
|
||||
"@esbuild/linux-arm64": "0.17.4",
|
||||
"@esbuild/linux-ia32": "0.17.4",
|
||||
"@esbuild/linux-loong64": "0.17.4",
|
||||
"@esbuild/linux-mips64el": "0.17.4",
|
||||
"@esbuild/linux-ppc64": "0.17.4",
|
||||
"@esbuild/linux-riscv64": "0.17.4",
|
||||
"@esbuild/linux-s390x": "0.17.4",
|
||||
"@esbuild/linux-x64": "0.17.4",
|
||||
"@esbuild/netbsd-x64": "0.17.4",
|
||||
"@esbuild/openbsd-x64": "0.17.4",
|
||||
"@esbuild/sunos-x64": "0.17.4",
|
||||
"@esbuild/win32-arm64": "0.17.4",
|
||||
"@esbuild/win32-ia32": "0.17.4",
|
||||
"@esbuild/win32-x64": "0.17.4"
|
||||
}
|
||||
},
|
||||
"node_modules/iconv-lite": {
|
||||
"version": "0.6.3",
|
||||
"resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
|
||||
"integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
|
||||
"dependencies": {
|
||||
"safer-buffer": ">= 2.1.2 < 3.0.0"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=0.10.0"
|
||||
}
|
||||
},
|
||||
"node_modules/lru-cache": {
|
||||
"version": "7.14.1",
|
||||
"resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-7.14.1.tgz",
|
||||
"integrity": "sha512-ysxwsnTKdAx96aTRdhDOCQfDgbHnt8SK0KY8SEjO0wHinhWOFTESbjVCMPbU1uGXg/ch4lifqx0wfjOawU2+WA==",
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
}
|
||||
},
|
||||
"node_modules/mariadb": {
|
||||
"version": "3.0.2",
|
||||
"resolved": "https://registry.npmjs.org/mariadb/-/mariadb-3.0.2.tgz",
|
||||
"integrity": "sha512-dVjiQZ6RW0IXFnX+T/ZEmnqs724DgkQsXqfCyInXn0XxVfO2Px6KbS4M3Ny6UiBg0zJ93SHHvfVBgYO4ZnFvvw==",
|
||||
"dependencies": {
|
||||
"@types/geojson": "^7946.0.10",
|
||||
"@types/node": "^17.0.45",
|
||||
"denque": "^2.1.0",
|
||||
"iconv-lite": "^0.6.3",
|
||||
"lru-cache": "^7.14.0",
|
||||
"moment-timezone": "^0.5.38"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">= 12"
|
||||
}
|
||||
},
|
||||
"node_modules/mariadb/node_modules/@types/node": {
|
||||
"version": "17.0.45",
|
||||
"resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.45.tgz",
|
||||
"integrity": "sha512-w+tIMs3rq2afQdsPJlODhoUEKzFP1ayaoyl1CcnwtIlsVe7K7bA1NGm4s3PraqTLlXnbIN84zuBlxBWo1u9BLw=="
|
||||
},
|
||||
"node_modules/moment": {
|
||||
"version": "2.29.4",
|
||||
"resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
|
||||
"integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==",
|
||||
"engines": {
|
||||
"node": "*"
|
||||
}
|
||||
},
|
||||
"node_modules/moment-timezone": {
|
||||
"version": "0.5.40",
|
||||
"resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.40.tgz",
|
||||
"integrity": "sha512-tWfmNkRYmBkPJz5mr9GVDn9vRlVZOTe6yqY92rFxiOdWXbjaR0+9LwQnZGGuNR63X456NqmEkbskte8tWL5ePg==",
|
||||
"dependencies": {
|
||||
"moment": ">= 2.9.0"
|
||||
},
|
||||
"engines": {
|
||||
"node": "*"
|
||||
}
|
||||
},
|
||||
"node_modules/safer-buffer": {
|
||||
"version": "2.1.2",
|
||||
"resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
|
||||
"integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
|
||||
},
|
||||
"node_modules/typescript": {
|
||||
"version": "4.9.4",
|
||||
"resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.4.tgz",
|
||||
"integrity": "sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==",
|
||||
"dev": true,
|
||||
"bin": {
|
||||
"tsc": "bin/tsc",
|
||||
"tsserver": "bin/tsserver"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=4.2.0"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
33
package.json
Normal file
33
package.json
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
{
|
||||
"name": "dblang",
|
||||
"version": "1.0.0",
|
||||
"description": "",
|
||||
"main": "dist/db.js",
|
||||
"types": "dist/db.d.ts",
|
||||
"type": "commonjs",
|
||||
"directories": {
|
||||
"dsit": "dist"
|
||||
},
|
||||
"files": [
|
||||
"dist"
|
||||
],
|
||||
"private": false,
|
||||
"scripts": {
|
||||
"build": "esbuild test.ts --bundle --outdir=dist",
|
||||
"run": "npm run build && echo 'start:' && node dist/test.js",
|
||||
"prepublish": "tsc"
|
||||
},
|
||||
"author": "jusax23",
|
||||
"license": "UNLICENSED",
|
||||
"dependencies": {
|
||||
"mariadb": "^3.0.2"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">= 14"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@types/node": "^18.11.18",
|
||||
"esbuild": "^0.17.4",
|
||||
"typescript": "^4.9.4"
|
||||
}
|
||||
}
|
||||
75
src/db.ts
Normal file
75
src/db.ts
Normal file
|
|
@ -0,0 +1,75 @@
|
|||
import mariadb from 'mariadb';
|
||||
import { Handler } from './defaultHandler';
|
||||
import { Query } from './query';
|
||||
import { onAction, primaryData } from './types';
|
||||
|
||||
|
||||
export class DB {
|
||||
//pool:mariadb.Pool;
|
||||
constructor(/*{ host, user, password, database, connectionLimit = 5 }*/) {
|
||||
//this.pool = mariadb.createPool({ host, user, password, database, connectionLimit, multipleStatements: true });
|
||||
}
|
||||
async query(query: Query) {
|
||||
//return this.pool.query(query);
|
||||
}
|
||||
getHandler() {
|
||||
return Handler;
|
||||
}
|
||||
|
||||
newTable(name:string){
|
||||
return new Table(name);
|
||||
}
|
||||
}
|
||||
|
||||
export class Attribute {
|
||||
name : string;
|
||||
constructor(name: string){
|
||||
this.name = name;
|
||||
}
|
||||
serialize(){
|
||||
return this.toString();
|
||||
}
|
||||
toString(){
|
||||
return this.name;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
export class Table{
|
||||
dbLangTableName : string;
|
||||
dbLangTableAttributes:{ [key: string]: Attribute; } = {};
|
||||
[key:string]: Attribute | any
|
||||
constructor(name: string){
|
||||
this.dbLangTableName = name;
|
||||
}
|
||||
serialize(){
|
||||
return this.toString();
|
||||
}
|
||||
toString(){
|
||||
return this.dbLangTableName;
|
||||
}
|
||||
addAttribute(name:string,ops:{
|
||||
unique?: boolean,
|
||||
A_I?: boolean,
|
||||
default?: primaryData,
|
||||
notNull?: boolean
|
||||
primaryKey?: boolean,
|
||||
foreginKey?: {
|
||||
link: Attribute,
|
||||
onDelete?: onAction,
|
||||
onUpdate?: onAction
|
||||
}
|
||||
},noErrorOnNameConflict = false){
|
||||
let attr = new Attribute(name);
|
||||
this.dbLangTableAttributes[name] = attr;
|
||||
if(["serialize", "toString","addAttribute","dbLangTableName","dbLangTableAttributes"].includes(name)){
|
||||
if(!noErrorOnNameConflict) throw new Error("You cannot name Attribute like Methode of this Table!");
|
||||
}else{
|
||||
this[name] = attr;
|
||||
}
|
||||
return attr;
|
||||
}
|
||||
}
|
||||
|
||||
export * from './funcs';
|
||||
export {onAction};
|
||||
39
src/dbStructure.ts
Normal file
39
src/dbStructure.ts
Normal file
|
|
@ -0,0 +1,39 @@
|
|||
import { Attribute } from "./db";
|
||||
import { Handler } from "./defaultHandler";
|
||||
import { allModifierInput, primaryData, serializeReturn } from "./types";
|
||||
|
||||
|
||||
|
||||
export abstract class Modifier {
|
||||
t : string;
|
||||
a : Array<allModifierInput>;
|
||||
constructor(type: string, args: (allModifierInput)[]) {
|
||||
this.t = type;
|
||||
this.a = args;
|
||||
}
|
||||
serialize(handler = Handler):serializeReturn {
|
||||
return handler.modifiers[this.t as keyof typeof handler.modifiers](this.a);
|
||||
}
|
||||
}
|
||||
|
||||
export class BooleanModifier extends Modifier{}
|
||||
export class NumberModifier extends Modifier{}
|
||||
export class StringModifier extends Modifier{}
|
||||
|
||||
export class Aggregation{
|
||||
t : string;
|
||||
a : Attribute;
|
||||
constructor(type: string, args: Attribute) {
|
||||
this.t = type;
|
||||
this.a = args;
|
||||
}
|
||||
serialize(handler = Handler):serializeReturn{
|
||||
return handler.aggregations[this.t as keyof typeof handler.aggregations](this.a);
|
||||
}
|
||||
}
|
||||
export class Joins{
|
||||
|
||||
serialize(handler = Handler):serializeReturn {
|
||||
return ["",[]];
|
||||
}
|
||||
}
|
||||
76
src/defaultHandler.ts
Normal file
76
src/defaultHandler.ts
Normal file
|
|
@ -0,0 +1,76 @@
|
|||
import { Attribute } from "./db"
|
||||
import { Aggregation, Modifier } from "./dbStructure"
|
||||
import { selectQuery } from "./query"
|
||||
import { allModifierInput, primaryData, serializeReturn } from "./types"
|
||||
|
||||
export class Handler {
|
||||
static querys = {
|
||||
select: (q: selectQuery): serializeReturn => {
|
||||
let args: primaryData[] = [];
|
||||
let w = joinArg(", ", this)(q.attr);
|
||||
args.push(...w[1]);
|
||||
let sql = `select ${w[0]} from ${q.from == null ? 'DUAL' : q.from.serialize(this)}`;
|
||||
if (q.whereD) {
|
||||
let whereS = q.whereD.serialize(this);
|
||||
args.push(...whereS[1]);
|
||||
sql += " where "+whereS[0];
|
||||
}
|
||||
if (q.groupByD.length>0) {
|
||||
let groupByS = joinArg(",", this)(q.groupByD);
|
||||
args.push(...groupByS[1]);
|
||||
sql += " group by "+groupByS[0];
|
||||
if (q.havingD) {
|
||||
let havingS = q.havingD.serialize(this);
|
||||
args.push(...havingS[1]);
|
||||
sql += " having "+havingS[0];
|
||||
}
|
||||
}
|
||||
|
||||
return [sql, args];
|
||||
}
|
||||
}
|
||||
|
||||
static aggregations = {
|
||||
count: (a: Attribute): serializeReturn => ["count(" + a + ")", []],
|
||||
sum: (a: Attribute): serializeReturn => ["sum(" + a + ")", []],
|
||||
avg: (a: Attribute): serializeReturn => ["avg(" + a + ")", []],
|
||||
min: (a: Attribute): serializeReturn => ["min(" + a + ")", []],
|
||||
max: (a: Attribute): serializeReturn => ["max(" + a + ")", []],
|
||||
}
|
||||
|
||||
static modifiers = {
|
||||
and: joinArg("and", this),
|
||||
or: joinArg("or", this),
|
||||
eq: joinArg("=", this),
|
||||
plus: joinArg("+", this),
|
||||
minus: joinArg("-", this),
|
||||
not: (a: allModifierInput[]):serializeReturn => {
|
||||
let e = a[0];
|
||||
if (e instanceof Attribute) return ["not (" + e + ")", []];
|
||||
if (e instanceof Modifier || e instanceof selectQuery || e instanceof Aggregation) {
|
||||
let [sqli, argsi] = e.serialize(this);
|
||||
return ["not (" + sqli + ")", argsi]
|
||||
}
|
||||
return ["not (?)", [e]];
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
function joinArg(type: string, s: any) {
|
||||
return (a: (allModifierInput)[]): serializeReturn => {
|
||||
let args: primaryData[] = [];
|
||||
let sql = "(" + a.map(d => {
|
||||
if (d instanceof Attribute) return d;
|
||||
if (d instanceof Modifier || d instanceof selectQuery || d instanceof Aggregation) {
|
||||
let [sqli, argsi] = d.serialize(s);
|
||||
args.push(...(argsi.flat(Infinity)));
|
||||
return sqli;
|
||||
}
|
||||
args.push(d);
|
||||
return "?";
|
||||
}).join(" " + type + " ") + ")";
|
||||
return [sql, args]
|
||||
|
||||
}
|
||||
}
|
||||
22
src/funcs.ts
Normal file
22
src/funcs.ts
Normal file
|
|
@ -0,0 +1,22 @@
|
|||
import { Attribute } from "./db";
|
||||
import { Aggregation, BooleanModifier, NumberModifier } from "./dbStructure";
|
||||
import { selectQuery } from "./query";
|
||||
import { allModifierInput, selectElements, selectFromElements } from "./types";
|
||||
|
||||
//modifiers
|
||||
export const and = (...args: (BooleanModifier)[]) => new BooleanModifier("and",args);
|
||||
export const or = (...args: (BooleanModifier)[]) => new BooleanModifier("or",args);
|
||||
export const eq = (...args: (allModifierInput)[]) => new BooleanModifier("eq",args);
|
||||
export const plus = (...args: (allModifierInput)[]) => new NumberModifier("plus",args);
|
||||
export const minus = (...args: (allModifierInput)[]) => new NumberModifier("minus",args);
|
||||
|
||||
//aggregations
|
||||
|
||||
export const count = (a:Attribute) => new Aggregation("count",a);
|
||||
export const sum = (a:Attribute) => new Aggregation("sum",a);
|
||||
export const avg = (a:Attribute) => new Aggregation("avg",a);
|
||||
export const min = (a:Attribute) => new Aggregation("min",a);
|
||||
export const max = (a:Attribute) => new Aggregation("max",a);
|
||||
|
||||
//query
|
||||
export const select = (args: selectElements[],from: selectFromElements) => new selectQuery(args,from);
|
||||
47
src/query.ts
Normal file
47
src/query.ts
Normal file
|
|
@ -0,0 +1,47 @@
|
|||
import { Attribute, DB } from "./db";
|
||||
import { BooleanModifier, Modifier } from "./dbStructure";
|
||||
import { Handler } from "./defaultHandler";
|
||||
import { primaryData, selectElements, selectFromElements, serializeReturn } from "./types";
|
||||
|
||||
|
||||
export class Query {
|
||||
sql : string;
|
||||
values : primaryData[];
|
||||
constructor(sql: string, values: primaryData[]) {
|
||||
this.sql = sql;
|
||||
this.values = values;
|
||||
}
|
||||
}
|
||||
|
||||
export class selectQuery {
|
||||
attr:selectElements[] = [];
|
||||
from:selectFromElements;
|
||||
constructor(a: selectElements[], from:selectFromElements) {
|
||||
this.attr.push(...a.flat(Infinity));
|
||||
this.from = from ? from : null;
|
||||
}
|
||||
whereD:BooleanModifier | null = null;
|
||||
where(m: BooleanModifier) {
|
||||
this.whereD = m;
|
||||
return this;
|
||||
}
|
||||
groupByD: Attribute[] = [];
|
||||
groupBy(a: Attribute[]) {
|
||||
this.groupByD = a;
|
||||
return this;
|
||||
}
|
||||
havingD:Modifier | null = null;
|
||||
having(m: Modifier) {
|
||||
this.havingD = m;
|
||||
return this;
|
||||
}
|
||||
|
||||
serialize(handler = Handler) : serializeReturn {
|
||||
return handler.querys.select(this);
|
||||
}
|
||||
|
||||
query(db: DB) {
|
||||
const s = this.serialize(db.getHandler());
|
||||
return new Query(s[0],s[1]);
|
||||
}
|
||||
}
|
||||
19
src/types.ts
Normal file
19
src/types.ts
Normal file
|
|
@ -0,0 +1,19 @@
|
|||
import { Attribute, Table } from "./db";
|
||||
import { Aggregation, Joins, Modifier } from "./dbStructure";
|
||||
import { selectQuery } from "./query";
|
||||
|
||||
export type primaryData = string | number | boolean | null;
|
||||
export type allModifierInput = primaryData | Modifier | selectQuery | Attribute | Aggregation;
|
||||
|
||||
export type selectElements = primaryData | Attribute | Aggregation | selectQuery
|
||||
export type selectFromElements = Table | Joins | null;
|
||||
|
||||
export type serializeReturn = [string, primaryData[]];
|
||||
|
||||
|
||||
export enum onAction{
|
||||
cascade,
|
||||
noAction,
|
||||
setNull,
|
||||
setDefault
|
||||
}
|
||||
21
tsconfig.json
Normal file
21
tsconfig.json
Normal file
|
|
@ -0,0 +1,21 @@
|
|||
{
|
||||
"compilerOptions": {
|
||||
"module": "CommonJS",
|
||||
"lib": ["es6"],
|
||||
"types": ["node"],
|
||||
"declaration": true,
|
||||
"outDir": "dist",
|
||||
"strict": true,
|
||||
"esModuleInterop": true,
|
||||
"moduleResolution": "node",
|
||||
//"sourceMap": true,
|
||||
"forceConsistentCasingInFileNames": true
|
||||
},
|
||||
"files": [
|
||||
"src/db.ts"
|
||||
],
|
||||
"exclude": [
|
||||
"node_modules",
|
||||
"dist"
|
||||
]
|
||||
}
|
||||
Loading…
Reference in a new issue