ddl-manager/dist/parser/UnknownExpressionElementParser.js

store postgres procedures and triggers in files

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.UnknownExpressionElementParser = void 0;
const psql_lang_1 = require("psql-lang");
const ColumnReferenceParser_1 = require("./ColumnReferenceParser");
const ast_1 = require("../ast");
const lodash_1 = require("lodash");
class UnknownExpressionElementParser {
    constructor() {
        this.columnReferenceParser = new ColumnReferenceParser_1.ColumnReferenceParser();
    }
    parse(syntax) {
        const columnsMap = this.buildColumnsMap(syntax);
        return new ast_1.UnknownExpressionElement(syntax, columnsMap);
    }
    buildColumnsMap(syntax) {
        const syntaxes = (Array.isArray(syntax) ?
            syntax : [syntax]);
        const columnsMap = {};
        const columnLinks = lodash_1.flatMap(syntaxes, scanColumnLinks);
        columnLinks.forEach(columnLink => {
            const columnReference = this.columnReferenceParser.parse(columnLink);
            columnsMap[columnLink.toString()] = columnReference;
        });
        return columnsMap;
    }
}
exports.UnknownExpressionElementParser = UnknownExpressionElementParser;
function scanColumnLinks(syntax) {
    const columnLinks = syntax.filterChildrenByInstance(psql_lang_1.ColumnReference);
    if (syntax instanceof psql_lang_1.ColumnReference) {
        columnLinks.push(syntax);
    }
    return columnLinks;
}
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