@gmod/cram
Version:
read CRAM files with pure Javascript
107 lines • 4.73 kB
JavaScript
;
// @ts-nocheck
//
/*
* Copyright (c) 2020 Genome Research Ltd.
* Author(s): James Bonfield
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 3. Neither the names Genome Research Ltd and Wellcome Trust Sanger
* Institute nor the names of its contributors may be used to endorse
* or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY GENOME RESEARCH LTD AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENOME RESEARCH
* LTD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.r4x8_uncompress = r4x8_uncompress;
exports.r4x16_uncompress = r4x16_uncompress;
exports.arith_uncompress = arith_uncompress;
exports.fqzcomp_uncompress = fqzcomp_uncompress;
exports.tok3_uncompress = tok3_uncompress;
// This is an interface to the htscodecs reference implementation of
// the CRAM 3.1 codecs.
// This JavaScript file is not part of the reference implementation
// and is simply and interface to get a consistent interface for cram-js.
const arith_gen_ts_1 = __importDefault(require("./arith_gen.js"));
const fqzcomp = __importStar(require("./fqzcomp.js"));
const r4x8 = __importStar(require("./rans.js"));
const r4x16 = __importStar(require("./rans4x16.js"));
const tok3 = __importStar(require("./tok3.js"));
function r4x8_uncompress(inputBuffer) {
return r4x8.decode(inputBuffer);
}
function r4x16_uncompress(inputBuffer) {
return r4x16.decode(inputBuffer);
}
function arith_uncompress(inputBuffer) {
// fix by @cmdcolin for CRAM 3.1
// xref https://github.com/jkbonfield/htscodecs/pull/1/files
return new arith_gen_ts_1.default().decode(inputBuffer);
}
function fqzcomp_uncompress(inputBuffer) {
const q_lens = [];
return fqzcomp.decode(inputBuffer, q_lens);
}
function tok3_uncompress(inputBuffer) {
// Returns in string form instead of buffer
const out = tok3.decode(inputBuffer, 0, '\0');
return Uint8Array.from(Array.from(out).map(letter => letter.charCodeAt(0)));
}
//# sourceMappingURL=index.js.map