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