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