including-modules
This commit is contained in:
Kismet Hasanaj
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MIT License
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Copyright (c) 2020-present LongYinan
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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MIT License
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Copyright (c) 2018 GitHub
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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+23697
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+209
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// @ts-check
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/**
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* @param {unknown} value
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*/
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const getType = (value) => {
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if (value === undefined) return 0
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if (value === null) return 1
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const t = typeof value
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if (t === 'boolean') return 2
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if (t === 'number') return 3
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if (t === 'string') return 4
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if (t === 'object') return 6
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if (t === 'bigint') return 9
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return -1
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}
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/**
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* @param {import('memfs').IFs} memfs
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* @param {any} value
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* @param {ReturnType<typeof getType>} type
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* @returns {Uint8Array}
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*/
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const encodeValue = (memfs, value, type) => {
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switch (type) {
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case 0:
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case 1:
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return new Uint8Array(0)
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case 2: {
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const view = new Int32Array(1)
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view[0] = value ? 1 : 0
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return new Uint8Array(view.buffer)
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}
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case 3: {
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const view = new Float64Array(1)
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view[0] = value
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return new Uint8Array(view.buffer)
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}
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case 4: {
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const view = new TextEncoder().encode(value)
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return view
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}
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case 6: {
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const [entry] = Object.entries(memfs).filter(([_, v]) => v === value.constructor)[0] ?? []
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if (entry) {
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Object.defineProperty(value, '__constructor__', {
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configurable: true,
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writable: true,
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enumerable: true,
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value: entry
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})
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}
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const json = JSON.stringify(value, (_, value) => {
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if (typeof value === 'bigint') {
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return `BigInt(${String(value)})`
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}
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if (value instanceof Error) {
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return {
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...value,
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message: value.message,
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stack: value.stack,
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__error__: value.constructor.name,
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}
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}
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return value
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})
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const view = new TextEncoder().encode(json)
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return view
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}
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case 9: {
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const view = new BigInt64Array(1)
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view[0] = value
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return new Uint8Array(view.buffer)
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}
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case -1:
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default:
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throw new Error('unsupported data')
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}
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}
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/**
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* @param {typeof import('memfs')} memfs
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* @param {Uint8Array} payload
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* @param {number} type
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* @returns {any}
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*/
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const decodeValue = (memfs, payload, type) => {
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if (type === 0) return undefined
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if (type === 1) return null
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if (type === 2) return Boolean(new Int32Array(payload.buffer, payload.byteOffset, 1)[0])
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if (type === 3) return new Float64Array(payload.buffer, payload.byteOffset, 1)[0]
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if (type === 4) return new TextDecoder().decode(payload.slice())
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if (type === 6) {
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const obj = JSON.parse(new TextDecoder().decode(payload.slice()), (_key, value) => {
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if (typeof value === 'string') {
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const matched = value.match(/^BigInt\((-?\d+)\)$/)
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if (matched && matched[1]) {
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return BigInt(matched[1])
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}
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}
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return value
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})
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if (obj.__constructor__) {
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const ctor = obj.__constructor__
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delete obj.__constructor__
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Object.setPrototypeOf(obj, memfs[ctor].prototype)
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}
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if (obj.__error__) {
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const name = obj.__error__
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const ErrorConstructor = globalThis[name] || Error
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delete obj.__error__
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const err = new ErrorConstructor(obj.message)
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Object.defineProperty(err, 'stack', {
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configurable: true,
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enumerable: false,
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writable: true,
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value: err.stack
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})
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Object.defineProperty(err, Symbol.toStringTag, {
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configurable: true,
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enumerable: false,
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writable: true,
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value: name
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})
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for (const [k, v] of Object.entries(obj)) {
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if (k === 'message' || k === 'stack') continue
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err[k] = v
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}
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return err
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}
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return obj
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}
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if (type === 9) return new BigInt64Array(payload.buffer, payload.byteOffset, 1)[0]
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throw new Error('unsupported data')
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}
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/**
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* @param {import('memfs').IFs} fs
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* @returns {(e: { data: { __fs__: { sab: Int32Array, type: keyof import('memfs').IFs, payload: any[] } } }) => void}
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*/
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// oxlint-disable-next-line no-unused-vars -- fixed in an upcoming release
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module.exports.createOnMessage = (fs) => function onMessage(e) {
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if (e.data.__fs__) {
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/**
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* 0..4 status(int32_t): 21(waiting) 0(success) 1(error)
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* 5..8 type(napi_valuetype): 0(undefined) 1(null) 2(boolean) 3(number) 4(string) 6(jsonstring) 9(bigint) -1(unsupported)
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* 9..16 payload_size(uint32_t) <= 1024
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* 16..16 + payload_size payload_content
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*/
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const { sab, type, payload } = e.data.__fs__
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const fn = fs[type]
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try {
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const ret = fn.apply(fs, payload)
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const t = getType(ret)
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Atomics.store(sab, 1, t)
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const v = encodeValue(fs, ret, t)
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Atomics.store(sab, 2, v.length)
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new Uint8Array(sab.buffer).set(v, 16)
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Atomics.store(sab, 0, 0) // success
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} catch (/** @type {any} */ err) {
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const t = getType(err)
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Atomics.store(sab, 1, t)
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const v = encodeValue(fs, err, t)
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Atomics.store(sab, 2, v.length)
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new Uint8Array(sab.buffer).set(v, 16)
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Atomics.store(sab, 0, 1) // error
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} finally {
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Atomics.notify(sab, 0)
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}
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}
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}
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/**
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* @param {typeof import('memfs')} memfs
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*/
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module.exports.createFsProxy = (memfs) => new Proxy({}, {
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get (_target, p, _receiver) {
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/**
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* @param {any[]} args
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*/
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return function (...args) {
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const sab = new SharedArrayBuffer(16 + 10240)
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const i32arr = new Int32Array(sab)
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Atomics.store(i32arr, 0, 21)
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postMessage({
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__fs__: {
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sab: i32arr,
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type: p,
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payload: args
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}
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})
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Atomics.wait(i32arr, 0, 21)
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const status = Atomics.load(i32arr, 0)
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const type = Atomics.load(i32arr, 1)
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const size = Atomics.load(i32arr, 2)
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const content = new Uint8Array(sab, 16, size)
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const value = decodeValue(memfs, content, type)
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if (status === 1) {
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throw value
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}
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return value
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}
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}
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})
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+61
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{
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"name": "@napi-rs/wasm-runtime",
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"version": "0.2.12",
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"type": "module",
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"description": "Runtime and polyfill for wasm targets",
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"author": {
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"name": "LongYinan",
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"url": "https://github.com/Brooooooklyn"
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/napi-rs/napi-rs.git",
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"directory": "wasi-runtime"
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},
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"license": "MIT",
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"publishConfig": {
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"registry": "https://registry.npmjs.org/",
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"access": "public"
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},
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"files": [
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"runtime.cjs",
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"fs-proxy.cjs",
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"dist/*.js"
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],
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"devDependencies": {
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"@rollup/plugin-alias": "^5.1.1",
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"@rollup/plugin-commonjs": "^28.0.3",
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"@rollup/plugin-inject": "^5.0.5",
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"@rollup/plugin-json": "^6.1.0",
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"@rollup/plugin-node-resolve": "^16.0.1",
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"@rollup/plugin-replace": "^6.0.2",
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"buffer": "^6.0.3",
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"memfs": "^4.17.0",
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"node-inspect-extracted": "^3.0.2",
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"path-browserify": "^1.0.1",
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"process": "^0.11.10",
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"readable-stream": "^4.7.0",
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"rollup": "^4.38.0",
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"rollup-plugin-polyfill-node": "^0.13.0",
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"tslib": "^2.8.1"
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},
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"dependencies": {
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"@emnapi/core": "^1.4.3",
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"@emnapi/runtime": "^1.4.3",
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"@tybys/wasm-util": "^0.10.0"
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},
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"scripts": {
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"build": "rollup -c rollup.config.js",
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"test": "node --test"
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},
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"exports": {
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".": {
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"import": "./dist/runtime.js",
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"require": "./runtime.cjs"
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},
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"./fs": {
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"import": "./dist/fs.js"
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}
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},
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"gitHead": "47ced636f9335fec4fc4d304dcb66bd1e5a5af45"
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}
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+15
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const { MessageHandler, instantiateNapiModuleSync, instantiateNapiModule } = require('@emnapi/core')
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const { getDefaultContext } = require('@emnapi/runtime')
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const { WASI } = require('@tybys/wasm-util')
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const { createFsProxy, createOnMessage } = require('./fs-proxy.cjs')
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module.exports = {
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MessageHandler,
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instantiateNapiModule,
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instantiateNapiModuleSync,
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getDefaultContext,
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WASI,
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createFsProxy,
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createOnMessage,
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}
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