FilesExpand file tree

master

/

space-mission-roster.js

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

149 lines (113 loc) · 3.37 KB

master

/

space-mission-roster.js

Copy path

Top

File metadata and controls

• Code
• Blame

149 lines (113 loc) · 3.37 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

/*

--------------------------------------

Space Mission Crew Management System

--------------------------------------

A JavaScript practice project that simulates managing a space mission crew.

Features

--------

- Add new crew members with duplicate ID validation

- Swap crew positions without mutating the original array

- Sort crew members by mission priority

- Filter EVA-eligible astronauts

- Split crew into mission teams

- Print a sorted crew summary

JavaScript Concepts Practiced

-----------------------------

- Objects

- Arrays

- Functions

- Loops

- Nested Loops

- Validation

- Array Methods (push, slice, splice)

- Bubble Sort

- Filtering

- Immutable Data Handling

*/

const squad = [];

const firstAstronaut = {

id: 1,

name: "Andy",

role: "Commander",

isEVAEligible: true,

priority: 3

};

function addCrewMember(crew, astronaut) {

for (let i = 0; i < crew.length; i++) {

if (crew[i].id === astronaut.id) {

console.log("Duplicate ID: " + astronaut.id);

return;

}

}

crew.push(astronaut);

}

addCrewMember(squad, firstAstronaut);

const remainingCrew = [

{ id: 2, name: "Bart", role: "Pilot", isEVAEligible: false, priority: 8 },

{ id: 3, name: "Caroline", role: "Engineer", isEVAEligible: true, priority: 4 },

{ id: 4, name: "Diego", role: "Scientist", isEVAEligible: false, priority: 1 },

{ id: 5, name: "Elise", role: "Medic", isEVAEligible: true, priority: 7 },

{ id: 6, name: "Felix", role: "Navigator", isEVAEligible: true, priority: 6 },

{ id: 7, name: "Gertrude", role: "Communications", isEVAEligible: false, priority: 4 },

{ id: 8, name: "Hank", role: "Mechanic", isEVAEligible: true, priority: 2 },

{ id: 9, name: "Irene", role: "Specialist", isEVAEligible: true, priority: 5 },

{ id: 10, name: "Joan", role: "Technician", isEVAEligible: false, priority: 1 },

];

for (let i = 0; i < remainingCrew.length; i++) {

addCrewMember(squad, remainingCrew[i]);

}

function swapCrewMembers(crew, fromIndex, toIndex) {

if (

fromIndex < 0 ||

toIndex < 0 ||

fromIndex >= crew.length ||

toIndex >= crew.length

) {

console.log("Invalid crew indices");

return;

}

const updatedCrew = crew.slice();

updatedCrew[fromIndex] = updatedCrew.splice(toIndex, 1, updatedCrew[fromIndex])[0];

return updatedCrew;

}

const updatedSquad = swapCrewMembers(squad, 2, 5);

function sortByPriorityDescending(crew) {

for (let i = 0; i < crew.length - 1; i++) {

for (let j = 0; j < crew.length - 1 - i; j++) {

if (crew[j].priority < crew[j + 1].priority) {

const temp = crew[j];

crew[j] = crew[j + 1];

crew[j + 1] = temp;

}

}

}

}

function getEVAReadyCrew(crew) {

const eligible = [];

for (const astronaut of crew) {

if (astronaut.isEVAEligible) eligible.push(astronaut);

}

sortByPriorityDescending(eligible);

return eligible;

}

const EVAReadySquad = getEVAReadyCrew(updatedSquad);

function chunkCrew(crew, size) {

if (size < 1) {

console.log("Chunk size must be >= 1");

return;

}

const chunks = [];

for (let i = 0; i < crew.length; i += size) {

chunks.push(crew.slice(i, i + size));

}

return chunks;

}

const EVAChunks = chunkCrew(EVAReadySquad, 3);

function printCrewSummary(crew) {

const sorted = crew.slice();

sortByPriorityDescending(sorted);

for (const astronaut of sorted) {

console.log(astronaut.name);

}

}

printCrewSummary(updatedSquad)