formatLocation.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
/** @typedef {import("./Dependency").SourcePosition} SourcePosition */
/**
* @param {SourcePosition} pos position
* @returns {string} formatted position
*/
const formatPosition = pos => {
if (pos && typeof pos === "object") {
if ("line" in pos && "column" in pos) {
return `${pos.line}:${pos.column}`;
} else if ("line" in pos) {
return `${pos.line}:?`;
}
}
return "";
};
/**
* @param {DependencyLocation} loc location
* @returns {string} formatted location
*/
const formatLocation = loc => {
if (loc && typeof loc === "object") {
if ("start" in loc && loc.start && "end" in loc && loc.end) {
if (
typeof loc.start === "object" &&
typeof loc.start.line === "number" &&
typeof loc.end === "object" &&
typeof loc.end.line === "number" &&
typeof loc.end.column === "number" &&
loc.start.line === loc.end.line
) {
return `${formatPosition(loc.start)}-${loc.end.column}`;
} else if (
typeof loc.start === "object" &&
typeof loc.start.line === "number" &&
typeof loc.start.column !== "number" &&
typeof loc.end === "object" &&
typeof loc.end.line === "number" &&
typeof loc.end.column !== "number"
) {
return `${loc.start.line}-${loc.end.line}`;
} else {
return `${formatPosition(loc.start)}-${formatPosition(loc.end)}`;
}
}
if ("start" in loc && loc.start) {
return formatPosition(loc.start);
}
if ("name" in loc && "index" in loc) {
return `${loc.name}[${loc.index}]`;
}
if ("name" in loc) {
return loc.name;
}
}
return "";
};
module.exports = formatLocation;