| 1 | /*
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| 2 | MIT License http://www.opensource.org/licenses/mit-license.php
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| 3 | Author Tobias Koppers @sokra
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| 4 | */
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| 5 |
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| 6 | "use strict";
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| 7 |
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| 8 | /** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
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| 9 | /** @typedef {import("./Dependency").SourcePosition} SourcePosition */
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| 10 |
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| 11 | /**
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| 12 | * @param {SourcePosition} pos position
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| 13 | * @returns {string} formatted position
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| 14 | */
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| 15 | const formatPosition = pos => {
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| 16 | if (pos && typeof pos === "object") {
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| 17 | if ("line" in pos && "column" in pos) {
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| 18 | return `${pos.line}:${pos.column}`;
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| 19 | } else if ("line" in pos) {
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| 20 | return `${pos.line}:?`;
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| 21 | }
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| 22 | }
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| 23 | return "";
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| 24 | };
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| 25 |
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| 26 | /**
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| 27 | * @param {DependencyLocation} loc location
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| 28 | * @returns {string} formatted location
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| 29 | */
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| 30 | const formatLocation = loc => {
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| 31 | if (loc && typeof loc === "object") {
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| 32 | if ("start" in loc && loc.start && "end" in loc && loc.end) {
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| 33 | if (
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| 34 | typeof loc.start === "object" &&
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| 35 | typeof loc.start.line === "number" &&
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| 36 | typeof loc.end === "object" &&
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| 37 | typeof loc.end.line === "number" &&
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| 38 | typeof loc.end.column === "number" &&
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| 39 | loc.start.line === loc.end.line
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| 40 | ) {
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| 41 | return `${formatPosition(loc.start)}-${loc.end.column}`;
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| 42 | } else if (
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| 43 | typeof loc.start === "object" &&
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| 44 | typeof loc.start.line === "number" &&
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| 45 | typeof loc.start.column !== "number" &&
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| 46 | typeof loc.end === "object" &&
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| 47 | typeof loc.end.line === "number" &&
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| 48 | typeof loc.end.column !== "number"
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| 49 | ) {
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| 50 | return `${loc.start.line}-${loc.end.line}`;
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| 51 | } else {
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| 52 | return `${formatPosition(loc.start)}-${formatPosition(loc.end)}`;
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| 53 | }
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| 54 | }
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| 55 | if ("start" in loc && loc.start) {
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| 56 | return formatPosition(loc.start);
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| 57 | }
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| 58 | if ("name" in loc && "index" in loc) {
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| 59 | return `${loc.name}[${loc.index}]`;
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| 60 | }
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| 61 | if ("name" in loc) {
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| 62 | return loc.name;
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| 63 | }
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| 64 | }
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| 65 | return "";
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| 66 | };
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| 67 |
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| 68 | module.exports = formatLocation;
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