Returns the actual name of a given table name.

Yii2 clone table prefix function in to javascript.md

This method will strip off curly brackets from the given table name

and replace the percentage character '%' with [[tablePrefix]].

let re = /{{(.*?)}}/g
let str = 'SELECT * FROM {{%user}} FROM WHERE id IN (?)'
let tablePrefix = 'tbl_'
console.log(str.replace(re, '$1').replace('%', tablePrefix))

• INPUT

SELECT * FROM {{%user}} FROM WHERE id IN (?)

• OUTPUT

SELECT * FROM tbl_user FROM WHERE id IN (?)

• demo: https://jsfiddle.net/noL74xb0/1/
• ref: https://github.com/yiisoft/yii2-framework/blob/2.0.7/db/Schema.php#L569