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meteor-autoform

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Meteor AutoForm fork, maintained, with tons of performance issues fixed

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# AutoForm

This is a maintained fork of Meteor AutoForm. You can find the original readme file [here](README.original.md).

# What has been changed?

A lot. Here's a summary:

## Performance

- **No underscore.js**:
  Underscore dependency was removed.

- **Mongo collections for arrayTracker**:
  Improves the performance greatly. Blaze cannot diff the original
  AutoForm arrayTracker items, so I replaced it with Mongo collections.

- **Wait for context**:
  Instead of reactively re-rendering the entire form, we wait for the
  context before we render it for the first time.

- **Cache field Ids**:
  This prevents regenerating the field Id and rerendering the field
  just because the Id is changed.

- **`clean` option for `getFieldValue` and `getFieldValues`**:
  By default AutoForm cleans all the values fetched from the form,
  however that's only necessary when we're putting the data into
  the database and/or validating, for rendering the value of a field
  in a view that isn't necessary. I added a `option` argument to these
  two functions, this defaults to true which is the normal AutoForm
  behavior. When set to false it won't clean the form data (clean
  function is really heavy and doesn't make much sense on our views).

- **`getFieldValue` is cached**:
  This function is reactive and recomputes its return value when
  there is a change in the value. Sometimes it's necessary to call
  this function several times and we do not want to recompute when
  the value hasn't been changed. This function now caches its results,
  then invalidates the cache when there's a change in the value.

- **`markChanged` function is throttled now**:
  This function gets called a million times when our form has too
  many reactive dependencies or too many fields. This isn't necessary,
  we don't need to mark a field value changed when it hasn't been changed.

- **Pass field value to `markChanged`**:
  To prevent unnecessary `changed` events

- **Refuse to change if value is undefined (`markChanged`)**:
  To prevent unnecessary `changed` events

## Bugs Fixes

- **`disabled` in select options**: didn't work.
- merged aldeed/meteor-autoform/pull/1289
- Detects **nested forms** in `form change` event

## Features

- **`omit` can be a function now**
- **`AutoForm.setFieldValue(fieldName, value, formId)` added**: aldeed/meteor-autoform/issues/452
- **`AutoForm.setFormValues(values, formId)` added**
- **`methodargs`**:
  Allows passing a `methodargs` attribute to autoForm/quickForm templates.
  These args will be passed to `meteormethod` if form type is `method` or `method-update`.

## Other

- **No templates in main package**:
  BS3 is deprecated. These templates are rarely used, including them in the main package and
  supporting them makes the code unnecessarily huge and difficult to maintain.
  These were moved to their own packages:
  [autoform-bootstrap3](https://github.com/pouya-eghbali/autoform-bootstrap3),
  [autoform-plain](https://github.com/pouya-eghbali/autoform-plain)

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