How to use safeCharCodeAt method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

index.js

Source:index.js Github

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...66 // Return false.67 return 0;68};69const findEndOfType = (source, offset, isType) => {70 while (isType(safeCharCodeAt(source, ++offset))) {71 // do nothing72 }73 return offset;74};75const consumeNumber = (source, offset, preventFloat) => {76 let code = safeCharCodeAt(source, offset);77 // If the next input code point is U+002B PLUS SIGN (+) or U+002D HYPHEN-MINUS (-),78 // consume it and append it to repr.79 if (isSign(code)) {80 code = safeCharCodeAt(source, offset += 1);81 }82 // While the next input code point is a digit, consume it and append it to repr.83 if (isDigit(code)) {84 offset = findEndOfType(source, offset, isDigit);85 code = safeCharCodeAt(source, offset);86 }87 // If the next 2 input code points are U+002E FULL STOP (.) followed by a digit, then:88 if (code === 0x002E && isDigit(safeCharCodeAt(source, offset + 1))) {89 if (preventFloat) {90 return offset;91 }92 // Consume them93 // While the next input code point is a digit, consume it and append it to repr.94 const expectedEnd = findEndOfType(source, offset + 1, isDigit);95 code = safeCharCodeAt(source, expectedEnd);96 // If next char is U+002E FULL STOP (.), then don't consume97 if (code === 0x002E) {98 return offset;99 }100 offset = expectedEnd;101 }102 // If the next 2 or 3 input code points are U+0045 LATIN CAPITAL LETTER E (E)103 // or U+0065 LATIN SMALL LETTER E (e), ... , followed by a digit, then:104 if (code === 0x0045 /* e */ || code === 0x0065 /* E */) {105 let sign = 1;106 code = safeCharCodeAt(source, offset + 1);107 // ... optionally followed by U+002D HYPHEN-MINUS (-) or U+002B PLUS SIGN (+) ...108 if (isSign(code)) {109 sign = 2;110 code = safeCharCodeAt(source, offset + 2);111 }112 // ... followed by a digit113 if (isDigit(code)) {114 // While the next input code point is a digit, consume it and append it to repr.115 offset = findEndOfType(source, offset + sign, isDigit);116 }117 }118 return offset;119};120const getToken = (source, offset, preventFloat, preventSign) => {121 if (offset >= source.length) {122 return TYPE_EOF;123 }124 const code = safeCharCodeAt(source, offset);125 // Whitespace126 if (isWS(code)) {127 return TYPE_WS | (findEndOfType(source, offset, isWS) - offset << 4);128 }129 // Delim sequence130 // console.log(source[offset], isDelim(a), a.toString(16), preventSign)131 if (isDelim(code) || (preventSign && isSign(code))) {132 return TYPE_DELIM | (findEndOfType(source, offset, isDelim) - offset << 4);133 }134 // Number135 if (isNumberStart(code, safeCharCodeAt(source, offset + 1), safeCharCodeAt(source, offset + 2))) {136 return TYPE_NUM | (consumeNumber(source, offset, preventFloat) - offset << 4);137 }138 // Word139 return TYPE_WORD | (findEndOfType(source, offset, isWord) - offset << 4);140};141const compare = (a, b, analytical) => {142 let offsetA = 0;143 let offsetB = 0;144 let preventFloat = false;145 let preventSign = false;146 let postCmpResult = 0;147 let postCmpResultType = 0;148 let firstPart = true;149 while (true) {150 const partA = getToken(a, offsetA, preventFloat, preventSign);151 const partB = getToken(b, offsetB, preventFloat, preventSign);152 const typeA = partA & 15;153 const lenA = partA >> 4;154 const typeB = partB & 15;155 const lenB = partB >> 4;156 /* c8 ignore next 6 */157 if (DEBUG) {158 console.log({159 typeA: DEBUG_TYPE_NAME[typeA], lenA, substrA: a.substr(offsetA, lenA),160 typeB: DEBUG_TYPE_NAME[typeB], lenB, substrB: b.substr(offsetB, lenB)161 });162 }163 if (typeA !== typeB) {164 if (firstPart && (typeA & TYPE_WS_OR_DELIM) && (typeB & TYPE_NUM_OR_WORD)) {165 postCmpResult = 1;166 postCmpResultType = typeA;167 offsetA += lenA;168 continue;169 }170 if (firstPart && (typeB & TYPE_WS_OR_DELIM) && (typeA & TYPE_NUM_OR_WORD)) {171 postCmpResult = -1;172 postCmpResultType = typeB;173 offsetB += lenB;174 continue;175 }176 return typeA - typeB;177 }178 // both parts are the same type, no matter which type to test179 if (typeA === TYPE_EOF) {180 return postCmpResult;181 }182 // reset flags183 firstPart = false;184 preventFloat = false;185 preventSign = false;186 // find difference in substr187 const minLength = lenA < lenB ? lenA : lenB;188 let substrDiff = lenA - lenB;189 let cA = '';190 let cB = '';191 for (let i = 0; i < minLength; i++) {192 cA = a[offsetA + i];193 cB = b[offsetB + i];194 if (cA !== cB) {195 substrDiff = cA < cB ? -1 : 1;196 break;197 }198 }199 // both parts are the same type, no matter which type to test200 if (typeA & TYPE_WS_OR_DELIM) {201 preventFloat = a[offsetA + lenA - 1] === '.';202 if (substrDiff !== 0) {203 if (typeA > postCmpResultType) {204 postCmpResultType = typeA;205 postCmpResult = substrDiff;206 }207 }208 } else if (typeA & TYPE_NUM) {209 preventSign = true;210 if (substrDiff !== 0) {211 const numDiff = a.substr(offsetA, lenA) - b.substr(offsetB, lenB);212 if (numDiff !== 0) {213 return analytical ? -numDiff : numDiff;214 }215 if (typeA > postCmpResultType) {216 const afc = safeCharCodeAt(a, offsetA);217 const bfc = safeCharCodeAt(b, offsetB);218 const order = afc === 0x002D ? -1 : 1;219 // a/b - o +220 // - 0 -1 -1221 // o 1 0 -1222 // + 1 1 0223 postCmpResultType = typeA;224 postCmpResult = afc !== bfc && (afc === 0x002D /* - */ || bfc === 0x002B /* + */)225 ? -1226 : afc !== bfc && (afc === 0x002B /* + */ || bfc === 0x002D /* - */)227 ? 1228 : (lenA - lenB || substrDiff) < 0 // lenA !== lenB ? lenA < lenB : substrDiff < 0229 ? -order230 : order;231 if (analytical) {...

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hash.ts

Source:hash.ts Github

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...45 // Based on https://github.com/SheetJS/js-crc32/blob/master/crc32.js46 // and https://msdn.microsoft.com/en-us/library/dd905031.aspx47 let crc = 0xffffffff;48 for (let idx = 0; idx < repr.length; ++idx) {49 const c = safeCharCodeAt(repr, idx);50 if (c < 0x80) {51 crc = crc32Table[(crc & 0xff) ^ c] ^ (crc >> 8);52 } else if (c < 0x800) {53 crc = crc32Table[(crc & 0xff) ^ (192 | ((c >> 6) & 31))] ^ (crc >> 8);54 crc = crc32Table[(crc & 0xff) ^ (128 | (c & 63))] ^ (crc >> 8);55 } else if (c >= 0xd800 && c < 0xe000) {56 const cNext = safeCharCodeAt(repr, ++idx);57 if (c >= 0xdc00 || cNext < 0xdc00 || cNext > 0xdfff || Number.isNaN(cNext)) {58 // invalid surrogate pair => <ef bf bd> with Buffer.from59 idx -= 1;60 crc = crc32Table[(crc & 0xff) ^ 0xef] ^ (crc >> 8);61 crc = crc32Table[(crc & 0xff) ^ 0xbf] ^ (crc >> 8);62 crc = crc32Table[(crc & 0xff) ^ 0xbd] ^ (crc >> 8);63 } else {64 // (c, cNext) is a valid surrogate pair: [0xd800-0xdbff][0xdc00-0xdfff]65 const c1 = (c & 1023) + 64;66 const c2 = cNext & 1023;67 crc = crc32Table[(crc & 0xff) ^ (240 | ((c1 >> 8) & 7))] ^ (crc >> 8);68 crc = crc32Table[(crc & 0xff) ^ (128 | ((c1 >> 2) & 63))] ^ (crc >> 8);69 crc = crc32Table[(crc & 0xff) ^ (128 | ((c2 >> 6) & 15) | ((c1 & 3) << 4))] ^ (crc >> 8);70 crc = crc32Table[(crc & 0xff) ^ (128 | (c2 & 63))] ^ (crc >> 8);...

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IndexToCharString.ts

Source:IndexToCharString.ts Github

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...8 }9 if (c.length === 0 || c.length > 2) {10 throw new Error('Cannot unmap string with more or less than one character');11 }12 const c1 = safeCharCodeAt(c, 0);13 if (c.length === 1) {14 return c1; // partial surrogate is ok15 }16 const c2 = safeCharCodeAt(c, 1);17 if (c1 < 0xd800 || c1 > 0xdbff || c2 < 0xdc00 || c2 > 0xdfff) {18 throw new Error('Cannot unmap invalid surrogate pairs');19 }20 // eslint-disable-next-line @typescript-eslint/no-non-null-assertion21 return c.codePointAt(0)!;...

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Using AI Code Generation

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1var fastCheck = require("fast-check");2console.log(fastCheck.safeCharCodeAt("abc", 1));3console.log(fastCheck.safeCharCodeAt("abc", 3));4console.log(fastCheck.safeCharCodeAt("abc", 4));5var fastCheck = require("fast-check");6console.log(fastCheck.safeCharCodeAt("abc", 1));7console.log(fastCheck.safeCharCodeAt("abc", 3));8console.log(fastCheck.safeCharCodeAt("abc", 4));9var fastCheck = require("fast-check");10console.log(fastCheck.safeCharCodeAt("abc", 1));11console.log(fastCheck.safeCharCodeAt("abc", 3));12console.log(fastCheck.safeCharCodeAt("abc", 4));13var fastCheck = require("fast-check");14console.log(fastCheck.safeCharCodeAt("abc", 1));15console.log(fastCheck.safeCharCodeAt("abc", 3));16console.log(fastCheck.safeCharCodeAt("abc", 4));17var fastCheck = require("fast-check");18console.log(fastCheck.safeCharCodeAt("abc", 1));19console.log(fastCheck.safeCharCodeAt("abc", 3));20console.log(fastCheck.safeCharCodeAt("abc", 4));21var fastCheck = require("fast-check");22console.log(fastCheck.safeCharCodeAt("abc", 1));23console.log(fastCheck.safeCharCodeAt("abc", 3));24console.log(fastCheck.safeCharCodeAt("abc", 4));25var fastCheck = require("fast-check");26console.log(fastCheck.safeCharCodeAt("abc", 1));27console.log(fastCheck.safeCharCodeAt("abc", 3));28console.log(fastCheck.safeCharCodeAt("abc", 4));

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Using AI Code Generation

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1const fc = require('fast-check')2const { safeCharCodeAt } = require('fast-check-monorepo')3console.log(safeCharCodeAt('test', 0))4console.log(safeCharCodeAt('test', 2))5console.log(safeCharCodeAt('test', 4))6console.log(safeCharCodeAt('test', 5))

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Using AI Code Generation

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1const { safeCharCodeAt } = require('fast-check');2console.log(safeCharCodeAt('abc', 2));3const { safeCharCodeAt } = require('fast-check');4console.log(safeCharCodeAt('abc', 3));5const { safeCharCodeAt } = require('fast-check');6console.log(safeCharCodeAt('abc', 3));7const { safeCharCodeAt } = require('fast-check');8console.log(safeCharCodeAt('abc', 3));9const { safeCharCodeAt } = require('fast-check');10console.log(safeCharCodeAt('abc', 3));11const { safeCharCodeAt } = require('fast-check');12console.log(safeCharCodeAt('abc', 3));13const { safeCharCodeAt } = require('fast-check');14console.log(safeCharCodeAt('abc', 3));

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Using AI Code Generation

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1const { safeCharCodeAt } = require('fast-check');2const str = 'abc';3console.log(code);4const { safeCharCodeAt } = require('fast-check');5const str = 'abc';6console.log(code);7const { safeCharCodeAt } = require('fast-check');8const str = 'abc';9console.log(code);10const { safeCharCodeAt } = require('fast-check');11const str = 'abc';12console.log(code);13const { safeCharCodeAt } = require('fast-check');14const str = 'abc';15console.log(code);16const { safeCharCodeAt } = require('fast-check');17const str = 'abc';18console.log(code);19const { safeCharCodeAt } = require('fast-check');20const str = 'abc';21console.log(code);22const { safeCharCodeAt } = require('fast-check');23const str = 'abc';24console.log(code);25const { safeCharCodeAt } = require('fast

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Using AI Code Generation

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1const fc = require('fast-check');2const { safeCharCodeAt } = require('fast-check/lib/utils/charCodeAt');3const { toChar } = require('fast-check/lib/utils/char');4const { toCharFromCode } = require('fast-check/lib/utils/charFromCode');5const { toCode } = require('fast-check/lib/utils/code');6console.log('safeCharCodeAt:');7console.log(safeCharCodeAt('abc', 0));8console.log(safeCharCodeAt('abc', 1));9console.log(safeCharCodeAt('abc', 2));10console.log(safeCharCodeAt('abc', 3));11console.log(safeCharCodeAt('abc', -1));12console.log(safeCharCodeAt('abc', -2));13console.log(safeCharCodeAt('abc', -3));14console.log(safeCharCodeAt('abc', -4));15console.log('toChar:');16console.log(toChar('abc', 0));17console.log(toChar('abc', 1));18console.log(toChar('abc', 2));19console.log(toChar('abc', 3));20console.log(toChar('abc', -1));21console.log(toChar('abc', -2));22console.log(toChar('abc', -3));23console.log(toChar('abc', -4));24console.log('toCharFromCode:');25console.log(toCharFromCode(0));26console.log(toCharFromCode(1));27console.log(toCharFromCode(2));28console.log(toCharFromCode(3));29console.log(toCharFromCode(4));30console.log(toCharFromCode(5));31console.log(toCharFromCode(6));32console.log(toCharFromCode(7));33console.log(toCharFromCode(8));34console.log(toCharFromCode(9));35console.log(toCharFromCode(10));36console.log(toCharFromCode(11));37console.log(toCharFromCode(12));38console.log(toCharFromCode(13));39console.log(toCharFromCode(14));40console.log(toCharFromCode(15));41console.log(toCharFromCode(16));42console.log(toCharFromCode(17));43console.log(toCharFromCode(18));44console.log(toCharFromCode(19));45console.log(toCharFromCode(20));46console.log(toCharFromCode(21));47console.log(toCharFromCode(22));48console.log(toCharFromCode(23));49console.log(toCharFromCode(24));50console.log(to

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Using AI Code Generation

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1const fc = require('fast-check');2const str = "Hello World";3const charCode = fc.safeCharCodeAt(str, 0);4console.log(charCode);5const fc = require('fast-check');6const str = "Hello World";7const charCode = fc.safeCharCodeAt(str, 20);8console.log(charCode);

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