source: trip-planner-front/node_modules/source-list-map/lib/CodeNode.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/
"use strict";

const getNumberOfLines = require("./helpers").getNumberOfLines;
const getUnfinishedLine = require("./helpers").getUnfinishedLine;

class CodeNode {
        constructor(generatedCode) {
                this.generatedCode = generatedCode;
        }

        clone() {
                return new CodeNode(this.generatedCode);
        }

        getGeneratedCode() {
                return this.generatedCode;
        }

        getMappings(mappingsContext) {
                const lines = getNumberOfLines(this.generatedCode);
                const mapping = Array(lines+1).join(";");
                if(lines > 0) {
                        mappingsContext.unfinishedGeneratedLine = getUnfinishedLine(this.generatedCode);
                        if(mappingsContext.unfinishedGeneratedLine > 0) {
                                return mapping + "A";
                        } else {
                                return mapping;
                        }
                } else {
                        const prevUnfinished = mappingsContext.unfinishedGeneratedLine;
                        mappingsContext.unfinishedGeneratedLine += getUnfinishedLine(this.generatedCode);
                        if(prevUnfinished === 0 && mappingsContext.unfinishedGeneratedLine > 0) {
                                return "A";
                        } else {
                                return "";
                        }
                }
        }

        addGeneratedCode(generatedCode) {
                this.generatedCode += generatedCode;
        }

        mapGeneratedCode(fn) {
                const generatedCode = fn(this.generatedCode);
                return new CodeNode(generatedCode);
        }

        getNormalizedNodes() {
                return [this];
        }

        merge(otherNode) {
                if(otherNode instanceof CodeNode) {
                        this.generatedCode += otherNode.generatedCode;
                        return this;
                }
                return false;
        }
}

module.exports = CodeNode;