@pdfme/pdf-lib
Version:
Create and modify PDF files with JavaScript
77 lines • 3.52 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const fontkit_1 = __importDefault(require("@pdf-lib/fontkit"));
const standard_fonts_1 = require("@pdf-lib/standard-fonts");
const fs_1 = __importDefault(require("fs"));
const core_1 = require("../../src/core");
const utils_1 = require("../../src/utils");
const font = core_1.StandardFontEmbedder.for(standard_fonts_1.FontNames.Helvetica);
const textSize = 24;
const computeTextWidth = (text) => font.widthOfTextAtSize(text, textSize);
describe(`breakTextIntoLines`, () => {
it(`handles empty wordBreaks arrays`, () => {
const input = 'foobar-quxbaz';
const expected = ['foobar-quxbaz'];
const actual = (0, utils_1.breakTextIntoLines)(input, [], 21, computeTextWidth);
expect(actual).toEqual(expected);
});
it(`handles trailing newlines`, () => {
const input = 'foo\n';
const expected = ['foo'];
const actual = (0, utils_1.breakTextIntoLines)(input, [], 21, computeTextWidth);
expect(actual).toEqual(expected);
});
it(`handles trailing carriage returns`, () => {
const input = 'foo\r';
const expected = ['foo'];
const actual = (0, utils_1.breakTextIntoLines)(input, [], 21, computeTextWidth);
expect(actual).toEqual(expected);
});
it(`always breaks lines when EOLs are encountered`, () => {
const input = 'foo\nbar-qux\rbaz\n';
const expected = ['foo', 'bar-qux', 'baz'];
const actual = (0, utils_1.breakTextIntoLines)(input, [], 90000, computeTextWidth);
expect(actual).toEqual(expected);
});
it(`breaks at the last possible 'wordBreak' before exceeding 'maxWidth' (1)`, () => {
const input = 'Lorem Test ipsum dolor sit amet, consectetur adipiscing\nelit';
const expected = [
'Lorem T',
'est ipsu',
'm dolor s',
'it amet, c',
'onsectet',
'ur adipis',
'cing',
'elit',
];
const actual = (0, utils_1.breakTextIntoLines)(input, ['', 'Test'], 100, computeTextWidth);
expect(actual).toEqual(expected);
});
it(`breaks at the last possible 'wordBreak' before exceeding 'maxWidth' (2)`, () => {
const input = 'Foo%bar%baz';
const expected = ['Foo%', 'bar%baz'];
const actual = (0, utils_1.breakTextIntoLines)(input, ['%'], 100, computeTextWidth);
expect(actual).toEqual(expected);
});
it(`handles non-ascii code points and empty breaks`, async () => {
const sourceHansBytes = fs_1.default.readFileSync('assets/fonts/source_hans_jp/SourceHanSerifJP-Regular.otf');
const sourceHansFont = await core_1.CustomFontEmbedder.for(fontkit_1.default, sourceHansBytes);
const input = '遅未亮惑職界転藤柔索名午納，問通桑転加料演載満経信回込町者訟窃。';
const expected = [
'遅未亮惑職',
'界転藤柔索',
'名午納，問',
'通桑転加料',
'演載満経信',
'回込町者訟',
'窃。',
];
const actual = (0, utils_1.breakTextIntoLines)(input, [''], 125, (text) => sourceHansFont.widthOfTextAtSize(text, 24));
expect(actual).toEqual(expected);
});
});
//# sourceMappingURL=strings.spec.js.map