119 lines
4.5 KiB
Plaintext
119 lines
4.5 KiB
Plaintext
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.overwrite = exports.replaceAll = exports.replace = exports.toString = exports.getLength = void 0;
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const binarySearch_1 = require("./binarySearch");
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const track_1 = require("./track");
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function getLength(segments) {
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let length = 0;
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for (const segment of segments) {
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length += typeof segment == 'string' ? segment.length : segment[0].length;
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}
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return length;
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}
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exports.getLength = getLength;
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function toString(segments) {
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return segments.map(s => typeof s === 'string' ? s : s[0]).join('');
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}
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exports.toString = toString;
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function replace(segments, pattern, ...replacers) {
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const str = toString(segments);
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const match = str.match(pattern);
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if (match && match.index !== undefined) {
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const start = match.index;
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const end = start + match[0].length;
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(0, track_1.offsetStack)();
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overwrite(segments, [start, end], ...replacers.map(replacer => typeof replacer === 'function' ? replacer(match[0]) : replacer));
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(0, track_1.resetOffsetStack)();
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}
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}
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exports.replace = replace;
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function replaceAll(segments, pattern, ...replacers) {
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const str = toString(segments);
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const allMatch = str.matchAll(pattern);
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let length = str.length;
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let lengthDiff = 0;
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for (const match of allMatch) {
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if (match.index !== undefined) {
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const start = match.index + lengthDiff;
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const end = start + match[0].length;
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(0, track_1.offsetStack)();
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overwrite(segments, [start, end], ...replacers.map(replacer => typeof replacer === 'function' ? replacer(match[0]) : replacer));
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(0, track_1.resetOffsetStack)();
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const newLength = getLength(segments);
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lengthDiff += newLength - length;
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length = newLength;
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}
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}
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}
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exports.replaceAll = replaceAll;
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function overwrite(segments, range, ...inserts) {
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const offsets = toOffsets(segments);
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const [start, end] = typeof range === 'number' ? [range, range] : range;
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const startIndex = (0, binarySearch_1.binarySearch)(offsets, start);
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const endIndex = (0, binarySearch_1.binarySearch)(offsets, end);
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const startSegment = segments[startIndex];
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const endSegment = segments[endIndex];
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const startSegmentStart = offsets[startIndex];
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const endSegmentStart = offsets[endIndex];
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const endSegmentEnd = offsets[endIndex] + (typeof endSegment === 'string' ? endSegment.length : endSegment[0].length);
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if (start > startSegmentStart) {
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inserts.unshift(trimSegmentEnd(startSegment, start - startSegmentStart));
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}
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if (end < endSegmentEnd) {
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inserts.push(trimSegmentStart(endSegment, end - endSegmentStart));
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}
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(0, track_1.offsetStack)();
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const deleted = segments.splice(startIndex, endIndex - startIndex + 1, ...inserts);
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(0, track_1.resetOffsetStack)();
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if (end < endSegmentEnd) {
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deleted[deleted.length - 1] = trimSegmentEnd(deleted[deleted.length - 1], end - endSegmentStart);
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}
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if (start > startSegmentStart) {
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deleted[0] = trimSegmentStart(deleted[0], start - startSegmentStart);
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}
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return deleted;
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}
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exports.overwrite = overwrite;
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function trimSegmentEnd(segment, trimEnd) {
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if (typeof segment === 'string') {
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return segment.slice(0, trimEnd);
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}
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const originalString = segment[0];
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const originalRange = segment[2];
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const newString = originalString.slice(0, trimEnd);
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const newRange = typeof originalRange === 'number' ? originalRange : [originalRange[0], originalRange[1] - (originalString.length - newString.length)];
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return [
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newString,
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segment[1],
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newRange,
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...segment.slice(3),
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];
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}
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function trimSegmentStart(segment, trimStart) {
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if (typeof segment === 'string') {
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return segment.slice(trimStart);
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}
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const originalString = segment[0];
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const originalRange = segment[2];
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const newString = originalString.slice(trimStart);
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if (trimStart < 0) {
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trimStart += originalString.length;
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}
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const newRange = typeof originalRange === 'number' ? originalRange + trimStart : [originalRange[0] + trimStart, originalRange[1]];
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return [
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newString,
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segment[1],
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newRange,
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...segment.slice(3),
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];
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}
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function toOffsets(segments) {
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const offsets = [];
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let offset = 0;
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for (const segment of segments) {
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offsets.push(offset);
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offset += typeof segment == 'string' ? segment.length : segment[0].length;
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}
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return offsets;
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}
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//# sourceMappingURL=base.js.map |