1st version

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STEINNI
2025-11-04 07:36:02 +00:00
commit 2723c34a5d
177 changed files with 53167 additions and 0 deletions

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class ResizeableBuffer {
constructor(size = 100) {
this.size = size;
this.length = 0;
this.buf = Buffer.allocUnsafe(size);
}
prepend(val) {
if (Buffer.isBuffer(val)) {
const length = this.length + val.length;
if (length >= this.size) {
this.resize();
if (length >= this.size) {
throw Error("INVALID_BUFFER_STATE");
}
}
const buf = this.buf;
this.buf = Buffer.allocUnsafe(this.size);
val.copy(this.buf, 0);
buf.copy(this.buf, val.length);
this.length += val.length;
} else {
const length = this.length++;
if (length === this.size) {
this.resize();
}
const buf = this.clone();
this.buf[0] = val;
buf.copy(this.buf, 1, 0, length);
}
}
append(val) {
const length = this.length++;
if (length === this.size) {
this.resize();
}
this.buf[length] = val;
}
clone() {
return Buffer.from(this.buf.slice(0, this.length));
}
resize() {
const length = this.length;
this.size = this.size * 2;
const buf = Buffer.allocUnsafe(this.size);
this.buf.copy(buf, 0, 0, length);
this.buf = buf;
}
toString(encoding) {
if (encoding) {
return this.buf.slice(0, this.length).toString(encoding);
} else {
return Uint8Array.prototype.slice.call(this.buf.slice(0, this.length));
}
}
toJSON() {
return this.toString("utf8");
}
reset() {
this.length = 0;
}
}
export default ResizeableBuffer;

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const is_object = function (obj) {
return typeof obj === "object" && obj !== null && !Array.isArray(obj);
};
export { is_object };

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const underscore = function (str) {
return str.replace(/([A-Z])/g, function (_, match) {
return "_" + match.toLowerCase();
});
};
export { underscore };