@launchmenu/core
Version:
An environment for visual keyboard controlled applets
50 lines • 4.68 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.checkTextNumberConstraints = void 0;
/**
* Checks whether a given text matches the numeric constraints specified
* @param text The text to match
* @param constraints The constraints
* @returns The numbers
*/
function checkTextNumberConstraints(text, { min, max, increment, baseValue, checkValidity }) {
// Make sure the text is numeric
if (!/^(\-?\d*\.)?\d+$/.exec(text)) {
const res = /(\-?\d*\.)?\d+/.exec(text);
return {
message: "Value must be a number",
ranges: res
? [
...(res.index > 0 ? [{ start: 0, end: res.index }] : []),
...(res.index + res[0].length < text.length
? [{ start: res.index + res[0].length, end: text.length }]
: []),
]
: [{ start: 0, end: text.length }],
};
}
// Check whether the number satisfies the constraints
const value = Number(text);
if (min != undefined && min > value)
return {
message: `Value must be larger than ${min}`,
ranges: [{ start: 0, end: text.length }],
};
if (max != undefined && max < value)
return {
message: `Value must be smaller than ${max}`,
ranges: [{ start: 0, end: text.length }],
};
if (increment != undefined) {
const dif = (value - (baseValue !== null && baseValue !== void 0 ? baseValue : 0)) % increment;
const slack = 1e-6;
if (dif > slack && increment - dif > slack)
return {
message: `Value must be a multiple of ${increment}${baseValue != undefined ? ` starting at ${baseValue}` : ""}`,
ranges: [{ start: 0, end: text.length }],
};
}
return checkValidity === null || checkValidity === void 0 ? void 0 : checkValidity(text);
}
exports.checkTextNumberConstraints = checkTextNumberConstraints;
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