{"version":3,"file":"CO-KTBwz.js","sources":["../../../../../../node_modules/svelte/src/internal/client/proxy.js"],"sourcesContent":["/** @import { ProxyMetadata, Source } from '#client' */\nimport { DEV } from 'esm-env';\nimport { get, active_effect } from './runtime.js';\nimport { component_context } from './context.js';\nimport {\n\tarray_prototype,\n\tget_descriptor,\n\tget_prototype_of,\n\tis_array,\n\tobject_prototype\n} from '../shared/utils.js';\nimport { check_ownership, widen_ownership } from './dev/ownership.js';\nimport { source, set } from './reactivity/sources.js';\nimport { STATE_SYMBOL, STATE_SYMBOL_METADATA } from './constants.js';\nimport { UNINITIALIZED } from '../../constants.js';\nimport * as e from './errors.js';\nimport { get_stack } from './dev/tracing.js';\nimport { tracing_mode_flag } from '../flags/index.js';\n\n/**\n * @template T\n * @param {T} value\n * @param {ProxyMetadata | null} [parent]\n * @param {Source<T>} [prev] dev mode only\n * @returns {T}\n */\nexport function proxy(value, parent = null, prev) {\n\t/** @type {Error | null} */\n\tvar stack = null;\n\tif (DEV && tracing_mode_flag) {\n\t\tstack = get_stack('CreatedAt');\n\t}\n\t// if non-proxyable, or is already a proxy, return `value`\n\tif (typeof value !== 'object' || value === null || STATE_SYMBOL in value) {\n\t\treturn value;\n\t}\n\n\tconst prototype = get_prototype_of(value);\n\n\tif (prototype !== object_prototype && prototype !== array_prototype) {\n\t\treturn value;\n\t}\n\n\t/** @type {Map<any, Source<any>>} */\n\tvar sources = new Map();\n\tvar is_proxied_array = is_array(value);\n\tvar version = source(0);\n\n\tif (is_proxied_array) {\n\t\t// We need to create the length source eagerly to ensure that\n\t\t// mutations to the array are properly synced with our proxy\n\t\tsources.set('length', source(/** @type {any[]} */ (value).length, stack));\n\t}\n\n\t/** @type {ProxyMetadata} */\n\tvar metadata;\n\n\tif (DEV) {\n\t\tmetadata = {\n\t\t\tparent,\n\t\t\towners: null\n\t\t};\n\n\t\tif (prev) {\n\t\t\t// Reuse owners from previous state; necessary because reassignment is not guaranteed to have correct component context.\n\t\t\t// If no previous proxy exists we play it safe and assume ownerless state\n\t\t\t// @ts-expect-error\n\t\t\tconst prev_owners = prev.v?.[STATE_SYMBOL_METADATA]?.owners;\n\t\t\tmetadata.owners = prev_owners ? 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target[prop] : UNINITIALIZED, metadata), stack);\n\t\t\t\tsources.set(prop, s);\n\t\t\t}\n\n\t\t\tif (s !== undefined) {\n\t\t\t\tvar v = get(s);\n\n\t\t\t\t// In case of something like `foo = bar.map(...)`, foo would have ownership\n\t\t\t\t// of the array itself, while the individual items would have ownership\n\t\t\t\t// of the component that created bar. 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