Your IP : 216.73.216.176
"use strict";
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.UpdateRecorderBom = exports.UpdateRecorderBase = void 0;
const exception_1 = require("../exception/exception");
const update_buffer_1 = require("../utility/update-buffer");
class UpdateRecorderBase {
constructor(entry) {
this._original = Buffer.from(entry.content);
this._content = update_buffer_1.UpdateBufferBase.create(entry.content);
this._path = entry.path;
}
static createFromFileEntry(entry) {
const c0 = entry.content.byteLength > 0 && entry.content.readUInt8(0);
const c1 = entry.content.byteLength > 1 && entry.content.readUInt8(1);
const c2 = entry.content.byteLength > 2 && entry.content.readUInt8(2);
// Check if we're BOM.
if (c0 == 0xef && c1 == 0xbb && c2 == 0xbf) {
return new UpdateRecorderBom(entry);
}
else if (c0 === 0xff && c1 == 0xfe) {
return new UpdateRecorderBom(entry);
}
else if (c0 === 0xfe && c1 == 0xff) {
return new UpdateRecorderBom(entry);
}
return new UpdateRecorderBase(entry);
}
get path() {
return this._path;
}
// These just record changes.
insertLeft(index, content) {
this._content.insertLeft(index, typeof content == 'string' ? Buffer.from(content) : content);
return this;
}
insertRight(index, content) {
this._content.insertRight(index, typeof content == 'string' ? Buffer.from(content) : content);
return this;
}
remove(index, length) {
this._content.remove(index, length);
return this;
}
apply(content) {
if (!content.equals(this._content.original)) {
throw new exception_1.ContentHasMutatedException(this.path);
}
return this._content.generate();
}
}
exports.UpdateRecorderBase = UpdateRecorderBase;
class UpdateRecorderBom extends UpdateRecorderBase {
constructor(entry, _delta = 1) {
super(entry);
this._delta = _delta;
}
insertLeft(index, content) {
return super.insertLeft(index + this._delta, content);
}
insertRight(index, content) {
return super.insertRight(index + this._delta, content);
}
remove(index, length) {
return super.remove(index + this._delta, length);
}
}
exports.UpdateRecorderBom = UpdateRecorderBom;