pdf-lib
Version:
Create and modify PDF files with JavaScript
116 lines • 4.51 kB
JavaScript
;
/* tslint:disable:ban-types */
Object.defineProperty(exports, "__esModule", { value: true });
exports.backtick = function (val) { return "`" + val + "`"; };
exports.getType = function (val) {
if (val === null)
return 'null';
if (val === undefined)
return 'undefined';
if (typeof val === 'string')
return 'string';
if (isNaN(val))
return 'NaN';
if (typeof val === 'number')
return 'number';
if (typeof val === 'boolean')
return 'boolean';
if (typeof val === 'symbol')
return 'symbol';
if (typeof val === 'bigint')
return 'bigint';
if (val.constructor && val.constructor.name)
return val.constructor.name;
if (val.name)
return val.name;
if (val.constructor)
return String(val.constructor);
return String(val);
};
exports.isType = function (value, type) {
if (type === 'null')
return value === null;
if (type === 'undefined')
return value === undefined;
if (type === 'string')
return typeof value === 'string';
if (type === 'number')
return typeof value === 'number' && !isNaN(value);
if (type === 'boolean')
return typeof value === 'boolean';
if (type === 'symbol')
return typeof value === 'symbol';
if (type === 'bigint')
return typeof value === 'bigint';
if (type === Array)
return value instanceof Array;
if (type === Uint8Array)
return value instanceof Uint8Array;
if (type === ArrayBuffer)
return value instanceof ArrayBuffer;
return value instanceof type[0];
};
exports.createTypeErrorMsg = function (value, valueName, types) {
var allowedTypes = new Array(types.length);
for (var idx = 0, len = types.length; idx < len; idx++) {
var type = types[idx];
if (type === 'null')
allowedTypes[idx] = exports.backtick('null');
if (type === 'undefined')
allowedTypes[idx] = exports.backtick('undefined');
if (type === 'string')
allowedTypes[idx] = exports.backtick('string');
else if (type === 'number')
allowedTypes[idx] = exports.backtick('number');
else if (type === 'boolean')
allowedTypes[idx] = exports.backtick('boolean');
else if (type === 'symbol')
allowedTypes[idx] = exports.backtick('symbol');
else if (type === 'bigint')
allowedTypes[idx] = exports.backtick('bigint');
else if (type === Array)
allowedTypes[idx] = exports.backtick('Array');
else if (type === Uint8Array)
allowedTypes[idx] = exports.backtick('Uint8Array');
else if (type === ArrayBuffer)
allowedTypes[idx] = exports.backtick('ArrayBuffer');
else
allowedTypes[idx] = exports.backtick(type[1]);
}
var joinedTypes = allowedTypes.join(' or ');
// prettier-ignore
return exports.backtick(valueName) + " must be of type " + joinedTypes + ", but was actually of type " + exports.backtick(exports.getType(value));
};
exports.assertIs = function (value, valueName, types) {
for (var idx = 0, len = types.length; idx < len; idx++) {
if (exports.isType(value, types[idx]))
return;
}
throw new TypeError(exports.createTypeErrorMsg(value, valueName, types));
};
exports.assertOrUndefined = function (value, valueName, types) {
exports.assertIs(value, valueName, types.concat('undefined'));
};
exports.assertEachIs = function (values, valueName, types) {
for (var idx = 0, len = values.length; idx < len; idx++) {
exports.assertIs(values[idx], valueName, types);
}
};
exports.assertRange = function (value, valueName, min, max) {
exports.assertIs(value, valueName, ['number']);
exports.assertIs(min, 'min', ['number']);
exports.assertIs(max, 'max', ['number']);
max = Math.max(min, max);
if (value < min || value > max) {
// prettier-ignore
throw new Error(exports.backtick(valueName) + " must be at least " + min + " and at most " + max + ", but was actually " + value);
}
};
exports.assertMultiple = function (value, valueName, multiplier) {
exports.assertIs(value, valueName, ['number']);
if (value % multiplier !== 0) {
// prettier-ignore
throw new Error(exports.backtick(valueName) + " must be a multiple of " + multiplier + ", but was actually " + value);
}
};
//# sourceMappingURL=validators.js.map