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Diffstat (limited to 'assets/node_modules/parse-json/index.js')
-rw-r--r-- | assets/node_modules/parse-json/index.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/assets/node_modules/parse-json/index.js b/assets/node_modules/parse-json/index.js new file mode 100644 index 0000000..4d96c59 --- /dev/null +++ b/assets/node_modules/parse-json/index.js @@ -0,0 +1,50 @@ +'use strict'; +const errorEx = require('error-ex'); +const fallback = require('json-parse-better-errors'); +const {default: LinesAndColumns} = require('lines-and-columns'); +const {codeFrameColumns} = require('@babel/code-frame'); + +const JSONError = errorEx('JSONError', { + fileName: errorEx.append('in %s'), + codeFrame: errorEx.append('\n\n%s\n') +}); + +module.exports = (string, reviver, filename) => { + if (typeof reviver === 'string') { + filename = reviver; + reviver = null; + } + + try { + try { + return JSON.parse(string, reviver); + } catch (error) { + fallback(string, reviver); + throw error; + } + } catch (error) { + error.message = error.message.replace(/\n/g, ''); + const indexMatch = error.message.match(/in JSON at position (\d+) while parsing near/); + + const jsonError = new JSONError(error); + if (filename) { + jsonError.fileName = filename; + } + + if (indexMatch && indexMatch.length > 0) { + const lines = new LinesAndColumns(string); + const index = Number(indexMatch[1]); + const location = lines.locationForIndex(index); + + const codeFrame = codeFrameColumns( + string, + {start: {line: location.line + 1, column: location.column + 1}}, + {highlightCode: true} + ); + + jsonError.codeFrame = codeFrame; + } + + throw jsonError; + } +}; |