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๐Ÿ”€: Udemy/Ts/section2/21 (#25)
* ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: README์„ ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: issue templates ์ƒ์„ฑ Github์—์„œ ์ž‘์„ฑํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: pr-template ์ƒ์„ฑ Github์—์„œ ์ž‘์„ฑํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: pr-template ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐ŸŒฑ: pr-template ์ˆ˜์ • Github์—์„œ ์ˆ˜์ •ํ•œ ์ปค๋ฐ‹์ž…๋‹ˆ๋‹ค. * ๐Ÿšฉ: udemy section2์˜ 14๋ฒˆ ๊ฐ•์˜๋ฅผ ๋“ฃ๊ณ  ์‹ค์Šต์„ ํ–ˆ๋‹ค. * ๐Ÿšฉ: anyํƒ€์ž…์„ ํ•™์Šตํ•˜๊ณ  ์‹ค์Šตํ–ˆ๋‹ค.
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โ€Žsrc/app.ts

Lines changed: 19 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -1,26 +1,25 @@
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// const ADMIN = 0;
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// const READ_ONLY = 1;
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// const AUTHOR = 2;
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enum Role {
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ADMIN = 5, READ_ONLY = 'READ_ONLY', AUTHOR = 100 //์ดํ›„๋กœ๋Š” +1์”ฉ ์ฆ๊ฐ€๋ฅผ ํ•œ๋‹ค.
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};
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const person = {
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const person: {
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name: string,
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age: number,
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hobbies: string[];
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role: (number | string)[];
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} = {
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name: 'Maximilian',
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age: 30,
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hobbies: ['Sports', 'Cooking'],
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role: Role.ADMIN, //0
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role: [2, 'author']
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};
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// person.role = Role.READ_ONLY;
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// error -> error TS2367: This comparison appears to be unintentional because the types 'Role.READ_ONLY' and 'Role.ADMIN' have no overlap.
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// ์›์ธ : person.role์ด Role.READ_ONLY๋กœ ์„ค์ •๋œ ํ›„, TypeScript๋Š” person.role์ด ๋” ์ด์ƒ Role.ADMIN๊ณผ ๊ฐ™์€ ๊ฐ’์ด ๋  ์ˆ˜ ์—†๋‹ค๊ณ  ํŒ๋‹จํ•˜๋Š” ๊ฒƒ
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person.role.push('admin');
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person.role[1] = 10;
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person.role = [0, 'admin', 'user'];
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//any๋Š” ์–ด๋–ค ํƒ€์ž…์ด๋“  ํ—ˆ์šฉํ•˜๋Š” ํƒ€์ž…์ด๋‹ค. ์–ด๋–ป๊ฒŒ ๋ณด๋ฉด ์œ ์—ฐํ•˜๋‹ค๊ณ  ๋А๊ปด์ง€์งˆ์ง€ ๋ชจ๋ฅด๊ฒ ์ง€๋งŒ ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ์˜ ์žฅ์ ์„ ์ „ํ˜€ ํ™œ์šฉํ•˜์ง€ ๋ชปํ•˜๊ธฐ์— ์ข‹์€ ๋ฐฉ๋ฒ•์€ ์•„๋‹ˆ๋‹ค.
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let favoriteActivities: any[];
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favoriteActivities = ['Sports', 1]; //์ด๋ ‡๊ฒŒ ๋ฐฐ์—ด์— ๋งˆ๊ตฌ์žก์ด๋กœ ์„œ๋กœ ๋‹ค๋ฅธ ํƒ€์ž…์„ ๋„ฃ์–ด๋„ ์•„๋ฌด๋Ÿฐ ์—๋Ÿฌ๊ฐ€ ์ผ์–ด๋‚˜์ง€ ์•Š๋Š”๋‹ค.
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console.log(person.name);
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if (person.role === Role.ADMIN) {
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console.log(person.role);
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} else if (person.role === Role.READ_ONLY) {
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console.log(person.role);
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} else if (person.role === Role.AUTHOR) {
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console.log(person.role);
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}
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for (const hobby of person.hobbies) {
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console.log(hobby);
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}

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