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Deprecate chalk.constructor() in favor of new chalk.Instance() (#322)

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Tom Sherman 2019-03-12 12:53:03 +00:00 • committed by Sindre Sorhus
parent 60959e05cf
commit de2f4cd606
11 changed files with 110 additions and 88 deletions
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40
test/template-literal.js
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@ -7,23 +7,23 @@ require('./_supports-color')(__dirname);
const chalk = require('..');
test('return an empty string for an empty literal', t => {
const instance = chalk.constructor();
const instance = new chalk.Instance();
t.is(instance``, '');
});
test('return a regular string for a literal with no templates', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
t.is(instance`hello`, 'hello');
});
test('correctly perform template parsing', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
t.is(instance`{bold Hello, {cyan World!} This is a} test. {green Woo!}`,
instance.bold('Hello,', instance.cyan('World!'), 'This is a') + ' test. ' + instance.green('Woo!'));
});
test('correctly perform template substitutions', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
const name = 'Sindre';
const exclamation = 'Neat';
t.is(instance`{bold Hello, {cyan.inverse ${name}!} This is a} test. {green ${exclamation}!}`,
@ -31,7 +31,7 @@ test('correctly perform template substitutions', t => {
});
test('correctly parse and evaluate color-convert functions', t => {
const instance = chalk.constructor({level: 3});
const instance = new chalk.Instance({level: 3});
t.is(instance`{bold.rgb(144,10,178).inverse Hello, {~inverse there!}}`,
'\u001B[1m\u001B[38;2;144;10;178m\u001B[7mHello, ' +
'\u001B[27m\u001B[39m\u001B[22m\u001B[1m' +
@ -44,13 +44,13 @@ test('correctly parse and evaluate color-convert functions', t => {
});
test('properly handle escapes', t => {
const instance = chalk.constructor({level: 3});
const instance = new chalk.Instance({level: 3});
t.is(instance`{bold hello \{in brackets\}}`,
'\u001B[1mhello {in brackets}\u001B[22m');
});
test('throw if there is an unclosed block', t => {
const instance = chalk.constructor({level: 3});
const instance = new chalk.Instance({level: 3});
try {
console.log(instance`{bold this shouldn't appear ever\}`);
t.fail();
@ -67,7 +67,7 @@ test('throw if there is an unclosed block', t => {
});
test('throw if there is an invalid style', t => {
const instance = chalk.constructor({level: 3});
const instance = new chalk.Instance({level: 3});
try {
console.log(instance`{abadstylethatdoesntexist this shouldn't appear ever}`);
t.fail();
@ -77,7 +77,7 @@ test('throw if there is an invalid style', t => {
});
test('properly style multiline color blocks', t => {
const instance = chalk.constructor({level: 3});
const instance = new chalk.Instance({level: 3});
t.is(
instance`{bold
Hello! This is a
@ -97,49 +97,49 @@ test('properly style multiline color blocks', t => {
});
test('escape interpolated values', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
t.is(instance`Hello {bold hi}`, 'Hello hi');
t.is(instance`Hello ${'{bold hi}'}`, 'Hello {bold hi}');
});
test('allow custom colors (themes) on custom contexts', t => {
const instance = chalk.constructor({level: 3});
const instance = new chalk.Instance({level: 3});
instance.rose = instance.hex('#F6D9D9');
t.is(instance`Hello, {rose Rose}.`, 'Hello, \u001B[38;2;246;217;217mRose\u001B[39m.');
});
test('correctly parse newline literals (bug #184)', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
t.is(instance`Hello
{red there}`, 'Hello\nthere');
});
test('correctly parse newline escapes (bug #177)', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
t.is(instance`Hello\nthere!`, 'Hello\nthere!');
});
test('correctly parse escape in parameters (bug #177 comment 318622809)', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
const str = '\\';
t.is(instance`{blue ${str}}`, '\\');
});
test('correctly parses unicode/hex escapes', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
t.is(instance`\u0078ylophones are fo\x78y! {magenta.inverse \u0078ylophones are fo\x78y!}`,
'xylophones are foxy! xylophones are foxy!');
});
test('correctly parses string arguments', t => {
const instance = chalk.constructor({level: 3});
const instance = new chalk.Instance({level: 3});
t.is(instance`{keyword('black').bold can haz cheezburger}`, '\u001B[38;2;0;0;0m\u001B[1mcan haz cheezburger\u001B[22m\u001B[39m');
t.is(instance`{keyword('blac\x6B').bold can haz cheezburger}`, '\u001B[38;2;0;0;0m\u001B[1mcan haz cheezburger\u001B[22m\u001B[39m');
t.is(instance`{keyword('blac\u006B').bold can haz cheezburger}`, '\u001B[38;2;0;0;0m\u001B[1mcan haz cheezburger\u001B[22m\u001B[39m');
});
test('throws if a bad argument is encountered', t => {
const instance = chalk.constructor({level: 3}); // Keep level at least 1 in case we optimize for disabled chalk instances
const instance = new chalk.Instance({level: 3}); // Keep level at least 1 in case we optimize for disabled chalk instances
try {
console.log(instance`{keyword(????) hi}`);
t.fail();
@ -149,7 +149,7 @@ test('throws if a bad argument is encountered', t => {
});
test('throws if an extra unescaped } is found', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
try {
console.log(instance`{red hi!}}`);
t.fail();
@ -159,12 +159,12 @@ test('throws if an extra unescaped } is found', t => {
});
test('should not parse upper-case escapes', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
t.is(instance`\N\n\T\t\X07\x07\U000A\u000A\U000a\u000a`, 'N\nT\tX07\x07U000A\u000AU000a\u000A');
});
test('should properly handle undefined template interpolated values', t => {
const instance = chalk.constructor({level: 0});
const instance = new chalk.Instance({level: 0});
t.is(instance`hello ${undefined}`, 'hello undefined');
t.is(instance`hello ${null}`, 'hello null');
});