oushu/lava-oushudb-dt-sql-parser
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build: optimize cli and add eslint

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This commit is contained in:
xiaowei
2020-08-28 13:29:47 +08:00
parent c069f9f714
commit d86a6e7638
41 changed files with 4180 additions and 70411 deletions
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35
lib/utils/index.js
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@ -1,15 +1,15 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.splitSql = exports.replaceStrFormIndexArr = void 0;
function replaceStrFormIndexArr(str, replaceStr, indexArr) {
let arr = [];
let result = "";
let result = '';
let index = 0;
if (!indexArr || indexArr.length < 1) {
return str;
}
for (let i = 0; i < indexArr.length; i++) {
let indexItem = indexArr[i];
let begin = indexItem.begin;
const indexItem = indexArr[i];
const begin = indexItem.begin;
result = result + str.substring(index, begin) + replaceStr;
index = indexItem.end + 1;
if (i == indexArr.length - 1) {
@ -37,10 +37,10 @@ function splitSql(sql) {
}
// 处理引号
function quoteToken(parser, sql) {
let queue = parser.queue;
let endsWith = queue[queue.length - 1];
const queue = parser.queue;
const endsWith = queue[queue.length - 1];
if (endsWith == '\'' || endsWith == '"') {
let nextToken = sql.indexOf(endsWith, parser.index + 1);
const nextToken = sql.indexOf(endsWith, parser.index + 1);
if (nextToken != -1) {
parser.index = nextToken;
parser.queue = '';
@ -57,7 +57,7 @@ function splitSql(sql) {
function singleLineCommentToken(parser, sql) {
let queue = parser.queue;
if (queue.endsWith('--')) {
let nextToken = sql.indexOf('\n', parser.index + 1);
const nextToken = sql.indexOf('\n', parser.index + 1);
if (nextToken != -1) {
parser.index = nextToken;
queue = '';
@ -72,9 +72,9 @@ function splitSql(sql) {
}
// 处理多行注释
function multipleLineCommentToken(parser, sql) {
let queue = parser.queue;
const queue = parser.queue;
if (queue.endsWith('/*')) {
let nextToken = sql.indexOf('*/', parser.index + 1);
const nextToken = sql.indexOf('*/', parser.index + 1);
if (nextToken != -1) {
parser.index = nextToken + 1;
parser.queue = '';
@ -89,7 +89,7 @@ function splitSql(sql) {
}
}
function splitToken(parser, sql) {
let queue = parser.queue;
const queue = parser.queue;
if (queue.endsWith(';')) {
pushSql(parser, sql);
}
@ -97,15 +97,20 @@ function splitSql(sql) {
return null;
}
}
let parser = {
const parser = {
index: 0,
queue: '',
sqls: []
sqls: [],
};
for (parser.index = 0; parser.index < sql.length; parser.index++) {
let char = sql[parser.index];
const char = sql[parser.index];
parser.queue += char;
let tokenFuncs = [quoteToken, singleLineCommentToken, multipleLineCommentToken, splitToken];
const tokenFuncs = [
quoteToken,
singleLineCommentToken,
multipleLineCommentToken,
splitToken,
];
for (let i = 0; i < tokenFuncs.length; i++) {
tokenFuncs[i](parser, sql);
}