diff options
Diffstat (limited to 'alarm/node_modules/pronote-api/src/data/id.js')
-rw-r--r-- | alarm/node_modules/pronote-api/src/data/id.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/alarm/node_modules/pronote-api/src/data/id.js b/alarm/node_modules/pronote-api/src/data/id.js new file mode 100644 index 0000000..2c3c2d3 --- /dev/null +++ b/alarm/node_modules/pronote-api/src/data/id.js @@ -0,0 +1,33 @@ +const { h64 } = require('xxhashjs'); + +function withId(obj, fields, extraData) +{ + const result = {}; + for (const field of fields) { + result[field] = obj[field]; + } + + if (extraData) { + result.__extraData = extraData; + } + + return { + id: h64(JSON.stringify(result), 0).toString(16), + ...obj + }; +} + +function checkDuplicates(objs) +{ + for (const obj of objs) { + const duplicates = objs.filter(o => o.id === obj.id); + + if (duplicates.length > 1) { + duplicates.forEach((d, i) => d.id = d.id.substring(0, d.id.length - 1) + i); + } + } + + return objs; +} + +module.exports = { withId, checkDuplicates }; |