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Add more comments to clarify data binding behaviour

This commit is contained in:
Andrew Kingston 2021-12-06 12:14:06 +00:00
parent 7a0ee7aea6
commit 8dd916afb9
1 changed files with 7 additions and 0 deletions
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7
packages/builder/src/builderStore/dataBinding.js
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@ -404,11 +404,18 @@ export const getSchemaForDatasource = (asset, datasource, isForm = false) => {
// "jsonarray" datasources are arrays inside JSON fields // "jsonarray" datasources are arrays inside JSON fields
else if (type === "jsonarray") { else if (type === "jsonarray") {
table = tables.find(table => table._id === datasource.tableId) table = tables.find(table => table._id === datasource.tableId)
// We parse the label of the datasource to work out where we are inside
// the structure. We can use this to know which part of the schema
// is available underneath our current position.
const keysToSchema = datasource.label.split(".").slice(2) const keysToSchema = datasource.label.split(".").slice(2)
let jsonSchema = table?.schema let jsonSchema = table?.schema
for (let i = 0; i < keysToSchema.length; i++) { for (let i = 0; i < keysToSchema.length; i++) {
jsonSchema = jsonSchema[keysToSchema[i]].schema jsonSchema = jsonSchema[keysToSchema[i]].schema
} }
// We need to convert the JSON schema into a more typical looking table
// schema so that it works with the rest of the platform
schema = convertJSONSchemaToTableSchema(jsonSchema, true) schema = convertJSONSchemaToTableSchema(jsonSchema, true)
} }