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- 'use strict';
- const StrictModeError = require('../../error/strict');
- /*!
- * ignore
- */
- module.exports = function(schematype) {
- if (schematype.$immutable) {
- schematype.$immutableSetter = createImmutableSetter(schematype.path,
- schematype.options.immutable);
- schematype.set(schematype.$immutableSetter);
- } else if (schematype.$immutableSetter) {
- schematype.setters = schematype.setters.
- filter(fn => fn !== schematype.$immutableSetter);
- delete schematype.$immutableSetter;
- }
- };
- function createImmutableSetter(path, immutable) {
- return function immutableSetter(v, _priorVal, _doc, options) {
- if (this == null || this.$__ == null) {
- return v;
- }
- if (this.isNew) {
- return v;
- }
- if (options && options.overwriteImmutable) {
- return v;
- }
- const _immutable = typeof immutable === 'function' ?
- immutable.call(this, this) :
- immutable;
- if (!_immutable) {
- return v;
- }
- const _value = this.$__.priorDoc != null ?
- this.$__.priorDoc.$__getValue(path) :
- this.$__getValue(path);
- if (this.$__.strictMode === 'throw' && v !== _value) {
- throw new StrictModeError(path, 'Path `' + path + '` is immutable ' +
- 'and strict mode is set to throw.', true);
- }
- return _value;
- };
- }
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