@launchmenu/core
Version:
An environment for visual keyboard controlled applets
88 lines • 6.33 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.get1dSelectionRange = exports.get1dIndex = exports.get2dSelectionRange = exports.get2dIndex = exports.getTextLines = void 0;
const getAce_1 = require("../../components/fields/editorField/getAce");
/**
* Splits the text into its lines
* @param text The text to split
* @param includeEndings Whether to include line endings in the lines
* @returns The split text
*/
function getTextLines(text, includeEndings = true) {
if (!includeEndings)
return text.split(/\r?\n/);
const results = [];
const tokens = text.split(/(\r?\n)/);
for (let i = 0; i < tokens.length; i += 2)
results.push(tokens[i] + (i + 1 < tokens.length ? tokens[i + 1] : ""));
return results;
}
exports.getTextLines = getTextLines;
/**
* Creates a valid 2 dimensional index in the given text
* @param text The text to perform the conversion with
* @param index The 1 dimensional index
* @returns The 2 dimensional index
*/
function get2dIndex(text, index) {
const lines = getTextLines(text);
let row = 0;
let length;
while ((length = lines[row].length) <= index && row < lines.length - 1) {
index -= length;
row++;
}
return { row, column: index };
}
exports.get2dIndex = get2dIndex;
/**
* Creates a valid 2 dimensional range from a given 1 dimensional selection
* @param text The text to perform the conversion with
* @param selection The 1 dimensional selection
* @returns The 2 dimensional selection range
*/
function get2dSelectionRange(text, selection) {
const start = get2dIndex(text, selection.start);
const end = get2dIndex(text, selection.end);
return new (getAce_1.getAce().Range)(start.row, start.column, end.row, end.column);
}
exports.get2dSelectionRange = get2dSelectionRange;
/**
* Creates a valid 1 dimensional index in the given text
* @param text The text to perform the conversion with
* @param index The 2 dimensional index
* @returns The 1 dimensional index
*/
function get1dIndex(text, index) {
var _a, _b;
const lines = getTextLines(text);
const endinglessLines = getTextLines(text, false);
let row = index.row;
let out = Math.min(Math.max(0, ((_a = endinglessLines[row]) === null || _a === void 0 ? void 0 : _a.length) || 0), index.column);
while (row > 0)
out += ((_b = lines[--row]) === null || _b === void 0 ? void 0 : _b.length) || 0;
return out;
}
exports.get1dIndex = get1dIndex;
/**
* Creates a valid 1 dimensional range from a given 2 dimensional selection
* @param text The text to perform the conversion with
* @param selection The 2 dimensional selection
* @param reverse Whether the selection started at the end index
* @returns The 1 dimensional selection range
*/
function get1dSelectionRange(text, selection, reverse) {
const startIndex = get1dIndex(text, selection.start);
const endIndex = get1dIndex(text, selection.end);
return reverse
? {
start: endIndex,
end: startIndex,
}
: {
start: startIndex,
end: endIndex,
};
}
exports.get1dSelectionRange = get1dSelectionRange;
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