mirror of
https://github.com/swc-project/swc.git
synced 2024-12-21 12:41:54 +03:00
206 lines
5.8 KiB
TypeScript
206 lines
5.8 KiB
TypeScript
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// Loaded from https://dev.jspm.io/npm:@jspm/core@1.1.1/nodelibs/chunk-6e68c801.js
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import t$1 from "./buffer.js";
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var e = {},
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n = t$1,
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o = n.Buffer;
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function t(r, e) {
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for (var n in r) e[n] = r[n];
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}
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function f(r, e, n) {
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return o(r, e, n);
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}
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o.from && o.alloc && o.allocUnsafe && o.allocUnsafeSlow ? e = n : (t(n, e), e.Buffer = f), f.prototype = Object.create(o.prototype), t(o, f), f.from = function (r, e, n) {
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if ("number" == typeof r) throw new TypeError("Argument must not be a number");
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return o(r, e, n);
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}, f.alloc = function (r, e, n) {
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if ("number" != typeof r) throw new TypeError("Argument must be a number");
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var t = o(r);
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return void 0 !== e ? "string" == typeof n ? t.fill(e, n) : t.fill(e) : t.fill(0), t;
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}, f.allocUnsafe = function (r) {
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if ("number" != typeof r) throw new TypeError("Argument must be a number");
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return o(r);
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}, f.allocUnsafeSlow = function (r) {
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if ("number" != typeof r) throw new TypeError("Argument must be a number");
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return n.SlowBuffer(r);
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};
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var u = e;
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var e$1 = {},
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s = u.Buffer,
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i = s.isEncoding || function (t) {
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switch ((t = "" + t) && t.toLowerCase()) {
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case "hex":
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case "utf8":
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case "utf-8":
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case "ascii":
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case "binary":
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case "base64":
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case "ucs2":
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case "ucs-2":
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case "utf16le":
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case "utf-16le":
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case "raw":
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return !0;
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default:
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return !1;
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}
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};
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function a(t) {
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var e;
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switch (this.encoding = function (t) {
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var e = function (t) {
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if (!t) return "utf8";
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for (var e;;) switch (t) {
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case "utf8":
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case "utf-8":
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return "utf8";
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case "ucs2":
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case "ucs-2":
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case "utf16le":
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case "utf-16le":
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return "utf16le";
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case "latin1":
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case "binary":
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return "latin1";
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case "base64":
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case "ascii":
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case "hex":
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return t;
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default:
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if (e) return;
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t = ("" + t).toLowerCase(), e = !0;
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}
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}(t);
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if ("string" != typeof e && (s.isEncoding === i || !i(t))) throw new Error("Unknown encoding: " + t);
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return e || t;
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}(t), this.encoding) {
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case "utf16le":
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this.text = h, this.end = l, e = 4;
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break;
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case "utf8":
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this.fillLast = n$1, e = 4;
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break;
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case "base64":
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this.text = u$1, this.end = o$1, e = 3;
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break;
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default:
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return this.write = f$1, this.end = c, void 0;
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}
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this.lastNeed = 0, this.lastTotal = 0, this.lastChar = s.allocUnsafe(e);
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}
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function r(t) {
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return t <= 127 ? 0 : t >> 5 == 6 ? 2 : t >> 4 == 14 ? 3 : t >> 3 == 30 ? 4 : t >> 6 == 2 ? -1 : -2;
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}
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function n$1(t) {
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var e = this.lastTotal - this.lastNeed,
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s = function (t, e, s) {
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if (128 != (192 & e[0])) return t.lastNeed = 0, "<22>";
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if (t.lastNeed > 1 && e.length > 1) {
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if (128 != (192 & e[1])) return t.lastNeed = 1, "<22>";
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if (t.lastNeed > 2 && e.length > 2 && 128 != (192 & e[2])) return t.lastNeed = 2, "<22>";
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}
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}(this, t);
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return void 0 !== s ? s : this.lastNeed <= t.length ? (t.copy(this.lastChar, e, 0, this.lastNeed), this.lastChar.toString(this.encoding, 0, this.lastTotal)) : (t.copy(this.lastChar, e, 0, t.length), this.lastNeed -= t.length, void 0);
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}
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function h(t, e) {
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if ((t.length - e) % 2 == 0) {
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var s = t.toString("utf16le", e);
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if (s) {
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var i = s.charCodeAt(s.length - 1);
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if (i >= 55296 && i <= 56319) return this.lastNeed = 2, this.lastTotal = 4, this.lastChar[0] = t[t.length - 2], this.lastChar[1] = t[t.length - 1], s.slice(0, -1);
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}
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return s;
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}
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return this.lastNeed = 1, this.lastTotal = 2, this.lastChar[0] = t[t.length - 1], t.toString("utf16le", e, t.length - 1);
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}
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function l(t) {
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var e = t && t.length ? this.write(t) : "";
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if (this.lastNeed) {
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var s = this.lastTotal - this.lastNeed;
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return e + this.lastChar.toString("utf16le", 0, s);
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}
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return e;
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}
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function u$1(t, e) {
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var s = (t.length - e) % 3;
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return 0 === s ? t.toString("base64", e) : (this.lastNeed = 3 - s, this.lastTotal = 3, 1 === s ? this.lastChar[0] = t[t.length - 1] : (this.lastChar[0] = t[t.length - 2], this.lastChar[1] = t[t.length - 1]), t.toString("base64", e, t.length - s));
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}
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function o$1(t) {
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var e = t && t.length ? this.write(t) : "";
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return this.lastNeed ? e + this.lastChar.toString("base64", 0, 3 - this.lastNeed) : e;
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}
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function f$1(t) {
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return t.toString(this.encoding);
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}
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function c(t) {
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return t && t.length ? this.write(t) : "";
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}
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e$1.StringDecoder = a, a.prototype.write = function (t) {
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if (0 === t.length) return "";
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var e, s;
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if (this.lastNeed) {
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if (void 0 === (e = this.fillLast(t))) return "";
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s = this.lastNeed, this.lastNeed = 0;
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} else s = 0;
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return s < t.length ? e ? e + this.text(t, s) : this.text(t, s) : e || "";
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}, a.prototype.end = function (t) {
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var e = t && t.length ? this.write(t) : "";
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return this.lastNeed ? e + "<22>" : e;
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}, a.prototype.text = function (t, e) {
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var s = function (t, e, s) {
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var i = e.length - 1;
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if (i < s) return 0;
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var a = r(e[i]);
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if (a >= 0) return a > 0 && (t.lastNeed = a - 1), a;
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if (--i < s || -2 === a) return 0;
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if ((a = r(e[i])) >= 0) return a > 0 && (t.lastNeed = a - 2), a;
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if (--i < s || -2 === a) return 0;
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if ((a = r(e[i])) >= 0) return a > 0 && (2 === a ? a = 0 : t.lastNeed = a - 3), a;
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return 0;
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}(this, t, e);
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if (!this.lastNeed) return t.toString("utf8", e);
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this.lastTotal = s;
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var i = t.length - (s - this.lastNeed);
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return t.copy(this.lastChar, 0, i), t.toString("utf8", e, i);
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}, a.prototype.fillLast = function (t) {
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if (this.lastNeed <= t.length) return t.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed), this.lastChar.toString(this.encoding, 0, this.lastTotal);
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t.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, t.length), this.lastNeed -= t.length;
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};
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export { u as r, e$1 as s };
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