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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
-
- "use strict";
-
- const formatPosition = (pos) => {
- if(pos === null)
- return "";
- const typeOfPos = typeof pos;
- switch(typeOfPos) {
- case "string":
- return pos;
- case "number":
- return `${pos}`;
- case "object":
- if(typeof pos.line === "number" && typeof pos.column === "number")
- return `${pos.line}:${pos.column}`;
- else if(typeof pos.line === "number")
- return `${pos.line}:?`;
- else if(typeof pos.index === "number")
- return `+${pos.index}`;
- else
- return "";
- default:
- return "";
- }
- };
-
- const formatLocation = (loc) => {
- if(loc === null)
- return "";
- const typeOfLoc = typeof loc;
- switch(typeOfLoc) {
- case "string":
- return loc;
- case "number":
- return `${loc}`;
- case "object":
- if(loc.start && loc.end) {
- if(typeof loc.start.line === "number" && typeof loc.end.line === "number" && typeof loc.end.column === "number" && loc.start.line === loc.end.line)
- return `${formatPosition(loc.start)}-${loc.end.column}`;
- return `${formatPosition(loc.start)}-${formatPosition(loc.end)}`;
- }
- if(loc.start)
- return formatPosition(loc.start);
- return formatPosition(loc);
- default:
- return "";
- }
- };
-
- module.exports = formatLocation;
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