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import { getLocation } from "./location.mjs";
/**
* Render a helpful description of the location in the GraphQL Source document.
*/
export function printLocation(location) {
return printSourceLocation(location.source, getLocation(location.source, location.start));
}
/**
* Render a helpful description of the location in the GraphQL Source document.
*/
export function printSourceLocation(source, sourceLocation) {
var firstLineColumnOffset = source.locationOffset.column - 1;
var body = whitespace(firstLineColumnOffset) + source.body;
var lineIndex = sourceLocation.line - 1;
var lineOffset = source.locationOffset.line - 1;
var lineNum = sourceLocation.line + lineOffset;
var columnOffset = sourceLocation.line === 1 ? firstLineColumnOffset : 0;
var columnNum = sourceLocation.column + columnOffset;
var locationStr = "".concat(source.name, ":").concat(lineNum, ":").concat(columnNum, "\n");
var lines = body.split(/\r\n|[\n\r]/g);
var locationLine = lines[lineIndex]; // Special case for minified documents
if (locationLine.length > 120) {
var subLineIndex = Math.floor(columnNum / 80);
var subLineColumnNum = columnNum % 80;
var subLines = [];
for (var i = 0; i < locationLine.length; i += 80) {
subLines.push(locationLine.slice(i, i + 80));
}
return locationStr + printPrefixedLines([["".concat(lineNum), subLines[0]]].concat(subLines.slice(1, subLineIndex + 1).map(function (subLine) {
return ['', subLine];
}), [[' ', whitespace(subLineColumnNum - 1) + '^'], ['', subLines[subLineIndex + 1]]]));
}
return locationStr + printPrefixedLines([// Lines specified like this: ["prefix", "string"],
["".concat(lineNum - 1), lines[lineIndex - 1]], ["".concat(lineNum), locationLine], ['', whitespace(columnNum - 1) + '^'], ["".concat(lineNum + 1), lines[lineIndex + 1]]]);
}
function printPrefixedLines(lines) {
var existingLines = lines.filter(function (_ref) {
var _ = _ref[0],
line = _ref[1];
return line !== undefined;
});
var padLen = Math.max.apply(Math, existingLines.map(function (_ref2) {
var prefix = _ref2[0];
return prefix.length;
}));
return existingLines.map(function (_ref3) {
var prefix = _ref3[0],
line = _ref3[1];
return leftPad(padLen, prefix) + (line ? ' | ' + line : ' |');
}).join('\n');
}
function whitespace(len) {
return Array(len + 1).join(' ');
}
function leftPad(len, str) {
return whitespace(len - str.length) + str;
}
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