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feat: add before hooks for mutations #4

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Merged
merged 1 commit into from
Sep 29, 2025
Merged

feat: add before hooks for mutations #4

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5 changes: 5 additions & 0 deletions .changeset/add-before-hooks.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"better-auth-convex": minor
---

Add `beforeCreate`, `beforeUpdate`, and `beforeDelete` hook support across the Convex adapter so triggers can transform payloads before database writes.
70 changes: 70 additions & 0 deletions src/adapter.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -196,8 +196,15 @@ export const httpAdapter = <
authFunctions.onCreate
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeCreateHandle =
authFunctions.beforeCreate && triggers?.[model]?.beforeCreate
? ((await createFunctionHandle(
authFunctions.beforeCreate
)) as FunctionHandle<'mutation'>)
: undefined;

return ctx.runMutation(authFunctions.create, {
beforeCreateHandle: beforeCreateHandle,
input: { data, model },
select,
onCreateHandle: onCreateHandle,
Expand All @@ -214,7 +221,14 @@ export const httpAdapter = <
authFunctions.onDelete
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeDeleteHandle =
authFunctions.beforeDelete && triggers?.[data.model]?.beforeDelete
? ((await createFunctionHandle(
authFunctions.beforeDelete
)) as FunctionHandle<'mutation'>)
: undefined;
await ctx.runMutation(authFunctions.deleteOne, {
beforeDeleteHandle: beforeDeleteHandle,
input: {
model: data.model,
where: parseWhere(data.where),
Expand All @@ -233,8 +247,15 @@ export const httpAdapter = <
authFunctions.onDelete
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeDeleteHandle =
authFunctions.beforeDelete && triggers?.[data.model]?.beforeDelete
? ((await createFunctionHandle(
authFunctions.beforeDelete
)) as FunctionHandle<'mutation'>)
: undefined;
const result = await handlePagination(async ({ paginationOpts }) => {
return await ctx.runMutation(authFunctions.deleteMany, {
beforeDeleteHandle: beforeDeleteHandle,
input: {
...data,
where: parseWhere(data.where),
Expand Down Expand Up @@ -297,8 +318,15 @@ export const httpAdapter = <
authFunctions.onUpdate
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeUpdateHandle =
authFunctions.beforeUpdate && triggers?.[data.model]?.beforeUpdate
? ((await createFunctionHandle(
authFunctions.beforeUpdate
)) as FunctionHandle<'mutation'>)
: undefined;

return ctx.runMutation(authFunctions.updateOne, {
beforeUpdateHandle: beforeUpdateHandle,
input: {
model: data.model as any,
update: data.update as any,
Expand All @@ -321,9 +349,16 @@ export const httpAdapter = <
authFunctions.onUpdate
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeUpdateHandle =
authFunctions.beforeUpdate && triggers?.[data.model]?.beforeUpdate
? ((await createFunctionHandle(
authFunctions.beforeUpdate
)) as FunctionHandle<'mutation'>)
: undefined;

const result = await handlePagination(async ({ paginationOpts }) => {
return await ctx.runMutation(authFunctions.updateMany, {
beforeUpdateHandle: beforeUpdateHandle,
input: {
...(data as any),
where: parseWhere(data.where),
Expand Down Expand Up @@ -398,10 +433,17 @@ export const dbAdapter = <
authFunctions.onCreate
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeCreateHandle =
authFunctions.beforeCreate && triggers?.[model]?.beforeCreate
? ((await createFunctionHandle(
authFunctions.beforeCreate
)) as FunctionHandle<'mutation'>)
: undefined;

return createHandler(
ctx,
{
beforeCreateHandle: beforeCreateHandle,
input: { data, model },
select,
onCreateHandle: onCreateHandle,
Expand All @@ -417,10 +459,17 @@ export const dbAdapter = <
authFunctions.onDelete
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeDeleteHandle =
authFunctions.beforeDelete && triggers?.[data.model]?.beforeDelete
? ((await createFunctionHandle(
authFunctions.beforeDelete
)) as FunctionHandle<'mutation'>)
: undefined;

await deleteOneHandler(
ctx,
{
beforeDeleteHandle: beforeDeleteHandle,
input: {
model: data.model,
where: parseWhere(data.where),
Expand All @@ -438,11 +487,18 @@ export const dbAdapter = <
authFunctions.onDelete
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeDeleteHandle =
authFunctions.beforeDelete && triggers?.[data.model]?.beforeDelete
? ((await createFunctionHandle(
authFunctions.beforeDelete
)) as FunctionHandle<'mutation'>)
: undefined;

const result = await handlePagination(async ({ paginationOpts }) => {
return await deleteManyHandler(
ctx,
{
beforeDeleteHandle: beforeDeleteHandle,
input: {
...data,
where: parseWhere(data.where),
Expand Down Expand Up @@ -520,10 +576,17 @@ export const dbAdapter = <
authFunctions.onUpdate
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeUpdateHandle =
authFunctions.beforeUpdate && triggers?.[data.model]?.beforeUpdate
? ((await createFunctionHandle(
authFunctions.beforeUpdate
)) as FunctionHandle<'mutation'>)
: undefined;

return updateOneHandler(
ctx,
{
beforeUpdateHandle: beforeUpdateHandle,
input: {
model: data.model as any,
update: data.update as any,
Expand All @@ -545,11 +608,18 @@ export const dbAdapter = <
authFunctions.onUpdate
)) as FunctionHandle<'mutation'>)
: undefined;
const beforeUpdateHandle =
authFunctions.beforeUpdate && triggers?.[data.model]?.beforeUpdate
? ((await createFunctionHandle(
authFunctions.beforeUpdate
)) as FunctionHandle<'mutation'>)
: undefined;

const result = await handlePagination(async ({ paginationOpts }) => {
return await updateManyHandler(
ctx,
{
beforeUpdateHandle: beforeUpdateHandle,
input: {
...(data as any),
where: parseWhere(data.where),
Expand Down
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