Marc Mintel
5397309103
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39 lines
790 B
Plaintext
39 lines
790 B
Plaintext
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true,
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});
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exports.getLocation = getLocation;
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var _invariant = require('../jsutils/invariant.js');
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const LineRegExp = /\r\n|[\n\r]/g;
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/**
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* Represents a location in a Source.
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*/
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/**
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* Takes a Source and a UTF-8 character offset, and returns the corresponding
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* line and column as a SourceLocation.
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*/
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function getLocation(source, position) {
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let lastLineStart = 0;
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let line = 1;
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for (const match of source.body.matchAll(LineRegExp)) {
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typeof match.index === 'number' || (0, _invariant.invariant)(false);
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if (match.index >= position) {
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break;
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}
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lastLineStart = match.index + match[0].length;
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line += 1;
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}
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return {
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line,
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column: position + 1 - lastLineStart,
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};
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}
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