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author | Dimitri Staessens <dimitri@ouroboros.rocks> | 2019-10-06 21:37:45 +0200 |
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committer | Dimitri Staessens <dimitri@ouroboros.rocks> | 2019-10-06 21:37:45 +0200 |
commit | 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch) | |
tree | c7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/normalize-range/index.js | |
parent | 412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff) | |
download | website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip |
build: Add some required modules for node
Diffstat (limited to 'node_modules/normalize-range/index.js')
-rw-r--r-- | node_modules/normalize-range/index.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/node_modules/normalize-range/index.js b/node_modules/normalize-range/index.js new file mode 100644 index 0000000..d5a2ea8 --- /dev/null +++ b/node_modules/normalize-range/index.js @@ -0,0 +1,54 @@ +'use strict'; +module.exports = { + wrap: wrapRange, + limit: limitRange, + validate: validateRange, + test: testRange, + curry: curry, + name: name +}; + +function wrapRange(min, max, value) { + var maxLessMin = max - min; + return ((value - min) % maxLessMin + maxLessMin) % maxLessMin + min; +} + +function limitRange(min, max, value) { + return Math.max(min, Math.min(max, value)); +} + +function validateRange(min, max, value, minExclusive, maxExclusive) { + if (!testRange(min, max, value, minExclusive, maxExclusive)) { + throw new Error(value + ' is outside of range [' + min + ',' + max + ')'); + } + return value; +} + +function testRange(min, max, value, minExclusive, maxExclusive) { + return !( + value < min || + value > max || + (maxExclusive && (value === max)) || + (minExclusive && (value === min)) + ); +} + +function name(min, max, minExcl, maxExcl) { + return (minExcl ? '(' : '[') + min + ',' + max + (maxExcl ? ')' : ']'); +} + +function curry(min, max, minExclusive, maxExclusive) { + var boundNameFn = name.bind(null, min, max, minExclusive, maxExclusive); + return { + wrap: wrapRange.bind(null, min, max), + limit: limitRange.bind(null, min, max), + validate: function(value) { + return validateRange(min, max, value, minExclusive, maxExclusive); + }, + test: function(value) { + return testRange(min, max, value, minExclusive, maxExclusive); + }, + toString: boundNameFn, + name: boundNameFn + }; +} |