1 files changed, 0 insertions, 170 deletions
diff --git a/ext/fg/js/text-source-range.js b/ext/fg/js/text-source-range.js
deleted file mode 100644
index 377016da..00000000
--- a/ext/fg/js/text-source-range.js
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright (C) 2016-2021  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/>.
- */
-
-/* global
- * DOMTextScanner
- * DocumentUtil
- */
-
-class TextSourceRange {
-    constructor(range, content, imposterContainer, imposterSourceElement) {
-        this._range = range;
-        this._rangeStartOffset = range.startOffset;
-        this._content = content;
-        this._imposterContainer = imposterContainer;
-        this._imposterSourceElement = imposterSourceElement;
-    }
-
-    get range() {
-        return this._range;
-    }
-
-    get rangeStartOffset() {
-        return this._rangeStartOffset;
-    }
-
-    get imposterSourceElement() {
-        return this._imposterSourceElement;
-    }
-
-    get isConnected() {
-        return (
-            this._range.startContainer.isConnected &&
-            this._range.endContainer.isConnected
-        );
-    }
-
-    clone() {
-        return new TextSourceRange(this._range.cloneRange(), this._content, this._imposterContainer, this._imposterSourceElement);
-    }
-
-    cleanup() {
-        if (this._imposterContainer !== null && this._imposterContainer.parentNode !== null) {
-            this._imposterContainer.parentNode.removeChild(this._imposterContainer);
-        }
-    }
-
-    text() {
-        return this._content;
-    }
-
-    setEndOffset(length, layoutAwareScan, fromEnd=false) {
-        const state = (
-            fromEnd ?
-            new DOMTextScanner(this._range.endContainer, this._range.endOffset, !layoutAwareScan, layoutAwareScan).seek(length) :
-            new DOMTextScanner(this._range.startContainer, this._range.startOffset, !layoutAwareScan, layoutAwareScan).seek(length)
-        );
-        this._range.setEnd(state.node, state.offset);
-        this._content = (fromEnd ? this._content + state.content : state.content);
-        return length - state.remainder;
-    }
-
-    setStartOffset(length, layoutAwareScan) {
-        const state = new DOMTextScanner(this._range.startContainer, this._range.startOffset, !layoutAwareScan, layoutAwareScan).seek(-length);
-        this._range.setStart(state.node, state.offset);
-        this._rangeStartOffset = this._range.startOffset;
-        this._content = state.content + this._content;
-        return length - state.remainder;
-    }
-
-    collapse(toStart) {
-        this._range.collapse(toStart);
-        this._content = '';
-    }
-
-    getRect() {
-        return this._range.getBoundingClientRect();
-    }
-
-    getWritingMode() {
-        return TextSourceRange.getElementWritingMode(TextSourceRange.getParentElement(this._range.startContainer));
-    }
-
-    select() {
-        const selection = window.getSelection();
-        selection.removeAllRanges();
-        selection.addRange(this._range);
-    }
-
-    deselect() {
-        const selection = window.getSelection();
-        selection.removeAllRanges();
-    }
-
-    hasSameStart(other) {
-        if (!(
-            typeof other === 'object' &&
-            other !== null &&
-            other instanceof TextSourceRange
-        )) {
-            return false;
-        }
-        if (this._imposterSourceElement !== null) {
-            return (
-                this._imposterSourceElement === other.imposterSourceElement &&
-                this._rangeStartOffset === other.rangeStartOffset
-            );
-        } else {
-            try {
-                return this._range.compareBoundaryPoints(Range.START_TO_START, other.range) === 0;
-            } catch (e) {
-                if (e.name === 'WrongDocumentError') {
-                    // This can happen with shadow DOMs if the ranges are in different documents.
-                    return false;
-                }
-                throw e;
-            }
-        }
-    }
-
-    getNodesInRange() {
-        return DocumentUtil.getNodesInRange(this._range);
-    }
-
-    static getParentElement(node) {
-        while (node !== null && node.nodeType !== Node.ELEMENT_NODE) {
-            node = node.parentNode;
-        }
-        return node;
-    }
-
-    static getElementWritingMode(element) {
-        if (element !== null) {
-            const style = window.getComputedStyle(element);
-            const writingMode = style.writingMode;
-            if (typeof writingMode === 'string') {
-                return TextSourceRange.normalizeWritingMode(writingMode);
-            }
-        }
-        return 'horizontal-tb';
-    }
-
-    static normalizeWritingMode(writingMode) {
-        switch (writingMode) {
-            case 'lr':
-            case 'lr-tb':
-            case 'rl':
-                return 'horizontal-tb';
-            case 'tb':
-                return 'vertical-lr';
-            case 'tb-rl':
-                return 'vertical-rl';
-            default:
-                return writingMode;
-        }
-    }
-}