| Path : /var/www/html/infraai.ai/frontend/node_modules/webpack/lib/runtime/ |
|
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| Current File : /var/www/html/infraai.ai/frontend/node_modules/webpack/lib/runtime/ToBinaryRuntimeModule.js |
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Alexander Akait @alexander-akait
*/
"use strict";
const RuntimeGlobals = require("../RuntimeGlobals");
const RuntimeModule = require("../RuntimeModule");
const Template = require("../Template");
/** @typedef {import("../Compilation")} Compilation */
class ToBinaryRuntimeModule extends RuntimeModule {
constructor() {
super("to binary");
}
/**
* Generates runtime code for this runtime module.
* @returns {string | null} runtime code
*/
generate() {
const compilation = /** @type {Compilation} */ (this.compilation);
const fn = RuntimeGlobals.toBinary;
const { runtimeTemplate } = compilation;
// Inspired by esbuild
const isNodePlatform = compilation.compiler.platform.node;
const isWebPlatform = compilation.compiler.platform.web;
const isNeutralPlatform = runtimeTemplate.isNeutralPlatform();
const toImmutableBytes = runtimeTemplate.basicFunction("value", [
runtimeTemplate.destructureObject(["buffer"], "value"),
`${runtimeTemplate.renderConst()} throwErr = ${runtimeTemplate.basicFunction("", ["throw new TypeError('ArrayBuffer is immutable');"])};`,
"Object.defineProperties(buffer, { immutable: { value: true }, resize: { value: throwErr }, transfer: { value: throwErr }, transferToFixedLength: { value: throwErr } });",
"Object.freeze(buffer);",
"return value;"
]);
return Template.asString([
"// define to binary helper",
`${runtimeTemplate.renderConst()} toImmutableBytes = ${toImmutableBytes}`,
`${fn} = ${isNeutralPlatform ? "typeof Buffer !== 'undefined' ? " : ""}${
isNodePlatform || isNeutralPlatform
? `${runtimeTemplate.returningFunction("toImmutableBytes(new Uint8Array(Buffer.from(base64, 'base64')))", "base64")}`
: ""
} ${isNeutralPlatform ? ": " : ""}${
isWebPlatform || isNeutralPlatform
? `(${runtimeTemplate.basicFunction("", [
`${runtimeTemplate.renderConst()} table = new Uint8Array(128);`,
"for (var i = 0; i < 64; i++) table[i < 26 ? i + 65 : i < 52 ? i + 71 : i < 62 ? i - 4 : i * 4 - 205] = i;",
`return ${runtimeTemplate.basicFunction("base64", [
`${runtimeTemplate.renderConst()} n = base64.length, bytes = new Uint8Array((n - (base64[n - 1] == '=') - (base64[n - 2] == '=')) * 3 / 4 | 0);`,
"for (var i = 0, j = 0; i < n;) {",
Template.indent([
`${runtimeTemplate.renderConst()} c0 = table[base64.charCodeAt(i++)], c1 = table[base64.charCodeAt(i++)];`,
`${runtimeTemplate.renderConst()} c2 = table[base64.charCodeAt(i++)], c3 = table[base64.charCodeAt(i++)];`,
"bytes[j++] = (c0 << 2) | (c1 >> 4);",
"bytes[j++] = (c1 << 4) | (c2 >> 2);",
"bytes[j++] = (c2 << 6) | c3;"
]),
"}",
"return toImmutableBytes(bytes)"
])}`
])})();`
: ""
}`
]);
}
}
module.exports = ToBinaryRuntimeModule;