79 lines
2.0 KiB
Plaintext
79 lines
2.0 KiB
Plaintext
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function positionAt(offset, text) {
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const lineOffsets = getLineOffsets(text);
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offset = Math.max(0, Math.min(text.length, offset));
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let low = 0;
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let high = lineOffsets.length;
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if (high === 0) {
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return {
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line: 0,
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column: offset
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};
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}
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while (low <= high) {
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const mid = Math.floor((low + high) / 2);
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const lineOffset = lineOffsets[mid];
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if (lineOffset === offset) {
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return {
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line: mid,
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column: 0
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};
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} else if (offset > lineOffset) {
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low = mid + 1;
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} else {
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high = mid - 1;
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}
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}
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const line = low - 1;
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return { line, column: offset - lineOffsets[line] };
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}
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function getLineOffsets(text) {
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const lineOffsets = [];
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let isLineStart = true;
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for (let i = 0; i < text.length; i++) {
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if (isLineStart) {
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lineOffsets.push(i);
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isLineStart = false;
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}
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const ch = text.charAt(i);
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isLineStart = ch === "\r" || ch === "\n";
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if (ch === "\r" && i + 1 < text.length && text.charAt(i + 1) === "\n") {
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i++;
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}
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}
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if (isLineStart && text.length > 0) {
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lineOffsets.push(text.length);
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}
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return lineOffsets;
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}
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function isYAMLException(err) {
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return err instanceof Error && err.name === "YAMLException";
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}
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function formatYAMLException(e) {
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return {
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name: e.name,
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id: e.mark.name,
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loc: { file: e.mark.name, line: e.mark.line + 1, column: e.mark.column },
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message: e.reason,
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stack: e.stack ?? ""
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};
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}
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function createSafeError(err) {
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if (err instanceof Error || err?.name && err.message) {
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return err;
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} else {
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const error = new Error(JSON.stringify(err));
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error.hint = `To get as much information as possible from your errors, make sure to throw Error objects instead of \`${typeof err}\`. See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error for more information.`;
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return error;
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}
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}
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function normalizeLF(code) {
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return code.replace(/\r\n|\r(?!\n)|\n/g, "\n");
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}
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export {
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createSafeError,
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formatYAMLException,
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isYAMLException,
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normalizeLF,
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positionAt
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};
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