1 files changed, 0 insertions, 118 deletions
diff --git a/ext/bg/js/text-source-map.js b/ext/bg/js/text-source-map.js
deleted file mode 100644
index 49b6d99f..00000000
--- a/ext/bg/js/text-source-map.js
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright (C) 2020-2021  Yomichan Authors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-class TextSourceMap {
-    constructor(source, mapping=null) {
-        this._source = source;
-        this._mapping = (mapping !== null ? TextSourceMap.normalizeMapping(mapping) : null);
-    }
-
-    get source() {
-        return this._source;
-    }
-
-    equals(other) {
-        if (this === other) {
-            return true;
-        }
-
-        const source = this._source;
-        if (!(other instanceof TextSourceMap && source === other.source)) {
-            return false;
-        }
-
-        let mapping = this._mapping;
-        let otherMapping = other.getMappingCopy();
-        if (mapping === null) {
-            if (otherMapping === null) {
-                return true;
-            }
-            mapping = TextSourceMap.createMapping(source);
-        } else if (otherMapping === null) {
-            otherMapping = TextSourceMap.createMapping(source);
-        }
-
-        const mappingLength = mapping.length;
-        if (mappingLength !== otherMapping.length) {
-            return false;
-        }
-
-        for (let i = 0; i < mappingLength; ++i) {
-            if (mapping[i] !== otherMapping[i]) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    getSourceLength(finalLength) {
-        const mapping = this._mapping;
-        if (mapping === null) {
-            return finalLength;
-        }
-
-        let sourceLength = 0;
-        for (let i = 0; i < finalLength; ++i) {
-            sourceLength += mapping[i];
-        }
-        return sourceLength;
-    }
-
-    combine(index, count) {
-        if (count <= 0) { return; }
-
-        if (this._mapping === null) {
-            this._mapping = TextSourceMap.createMapping(this._source);
-        }
-
-        let sum = this._mapping[index];
-        const parts = this._mapping.splice(index + 1, count);
-        for (const part of parts) {
-            sum += part;
-        }
-        this._mapping[index] = sum;
-    }
-
-    insert(index, ...items) {
-        if (this._mapping === null) {
-            this._mapping = TextSourceMap.createMapping(this._source);
-        }
-
-        this._mapping.splice(index, 0, ...items);
-    }
-
-    getMappingCopy() {
-        return this._mapping !== null ? [...this._mapping] : null;
-    }
-
-    static createMapping(text) {
-        return new Array(text.length).fill(1);
-    }
-
-    static normalizeMapping(mapping) {
-        const result = [];
-        for (const value of mapping) {
-            result.push(
-                (typeof value === 'number' && Number.isFinite(value)) ?
-                Math.floor(value) :
-                0
-            );
-        }
-        return result;
-    }
-}